Find the right job. Prepare with AI.

Senior Forward Deployed Engineer - AI/ML

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Job Summary** Lumentum Operations LLC is seeking a talented and innovative Forward Deployed AI/ML Engineer to design, develop, and deploy cutting-edge artificial intelligence and machine learning solutions for various manufacturing applications. You will be instrumental in transforming complex data into actionable insights and intelligent systems. Key Responsibilities - Serve as a forward deployed AI engineer embedded with the Bangkok manufacturing team to identify high-impact AI opportunities across process engineering, yield improvement, visual inspection, quality control, operations, and reporting workflows. - Partner with manufacturing, process, yield, quality, and operations teams to understand workflows, pain points, data sources, and decision-making needs. - Conduct deep operational assessments at manufacturing sites by observing workflows, interviewing frontline employees, supervisors, trainers, quality leaders, and operations leadership - Design, prototype, and productionize AI/ML solutions for manufacturing use cases, including visual inspection, defect classification, anomaly detection, predictive analytics, root-cause analysis, process optimization, and yield improvement. - Translate business and manufacturing problems into technical solution designs, including data requirements, model approach, architecture, validation strategy, user interface needs, and deployment path. - Work with structured and unstructured manufacturing data from databases, equipment logs, inspection systems, MES, yield systems, engineering reports, and other plant data sources. - Communicate technical concepts clearly to both technical and non-technical stakeholders, including engineers, operators, managers, and senior leaders. - Mentor local engineers and analysts on AI tools, data science methods, model interpretation, and practical AI adoption in manufacturing workflows. Required Qualifications - 5+ years of experience in data science, machine learning, AI engineering, manufacturing analytics, process engineering analytics, or a closely related technical field. - Strong hands-on experience developing and deploying AI/ML models in real-world industrial or manufacturing environments. - Practical experience using LLMs and generative AI tools for data analysis, workflow automation, knowledge retrieval, reporting, or engineering productivity applications. - Strong programming skills in Python and common AI/ML frameworks such as PyTorch, TensorFlow, scikit-learn, OpenCV, and LangChain/LlamaIndex or similar frameworks. - Experience working with relational databases and SQL, preferably including Oracle or other enterprise database systems. - Ability to build end-to-end prototypes, including data extraction, model development, backend logic, simple user interfaces, dashboards, APIs, or workflow tools. - Strong understanding of manufacturing data, process variation, yield analysis, quality systems, equipment data, inspection data, and root-cause analysis methods. - English communication skills good enough to interact with US and Europe teams. Preferred Qualifications - Experience in semiconductor, photonics, electronics, optical components, precision manufacturing, or other high-volume advanced manufacturing environments. - Experience with manufacturing systems such as MES, SPC, yield management systems, equipment automation systems, inspection platforms, or quality management systems. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Senior Product Cost Analyst

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Position: Sr. Product Cost Analyst Department: Finance (Product Cost) Primary accountability: Independent ownership of complete product cost models and related financial analysis Portfolio scope: Approximately 5-10 product lines Position Summary Product Cost Model is a financial role responsible for independently building, maintaining, validating, and analyzing complete product cost models for an assigned Business unit consisting of approximately 5-10 product lines. The employee is accountable for the cost model from input collection through calculation, validation, analysis, communication, and ongoing maintenance. Partnering with cross functional team in driving cost competitiveness. Cross-functional teams provide technical and operational input; however, accountability for completeness, accuracy, version control, timely delivery, and financial interpretation of the cost model remains with this role. End-to-End Cost Modeling Accountability 1. Collect and validate input: Obtain required source data and assumptions from the relevant business owners; identify and resolve missing, inconsistent, or unsupported inputs. 2. Build and update the model: Prepare and maintain the complete Excel cost model, calculations, scenarios, and cost roadmaps for assigned product lines. 3. Check and reconcile results: Verify formulas, logic, source references, and outputs before releasing the analysis for review or decision-making. 4. Analyze cost drivers and variances: Explain changes, risks, opportunities, and gaps between actual cost, modeled cost, target cost, and the approved roadmap. 5. Communicate conclusions: Provide clear financial summaries, recommendations, and decision-ready analysis to management and cross-functional stakeholders. 6. Maintain control and continuity: Keep assumptions, changes, source references, model versions, and supporting documentation current and traceable. 7. Collaborate with the Cross-functional team, monitoring & tracking the cost reduction actions, driving the Cost competitiveness. Key Responsibilities 1. Full Product Cost Model Ownership - Independently prepare, maintain, and control complete Excel-based product cost models for approximately 5-10 product lines. - Maintain a consistent model structure with clear assumptions, formulas, source references, and version history. - Coordinate with data owners and actively follow up on incomplete or inconsistent information; do not rely on passive data collection. - Ensure each model is complete, accurate, reviewed, and ready for the required business milestone or management review. 2. NPI Costing and Gate Reviews - Prepare product cost models and cost roadmaps for NPI gate reviews. - Analyze changes versus target, prior model versions, and approved assumptions; explain key drivers, risks, and opportunities. - Partners with R&D, Manufacturing Engineering, GCM, and other teams to identify cost-improvement opportunities and quantify their financial impact. 3. Mass-Production Cost Roadmaps - Prepare and maintain cost roadmaps for mass-production products. - Update model assumptions and expected cost changes based on approved BOM, HPU, yield, and other relevant business inputs. - Provide a clear view of current cost, expected future cost, timing, and remaining gaps to target. 4. Cost Simulation and Scenario Analysis - Perform product cost simulations for BOM changes, HPU changes, yield improvement, and other approved scenarios. - Compare alternatives and quantify the cost impact by product and product line to support management decisions. 5. Actual Cost, Variance, and Savings Analysis - Analyze variance between actual product cost and the approved cost model or roadmap. - Identify the main cost drivers and clearly explain whether the variance is caused by assumptions, timing, data, or execution gaps. - Track cost-improvement initiatives and cost-saving realization; validate that reported savings are supported by actual results. 6. FTA and Management Support - Prepare model, form and supporting analysis for Free Trade Agreement (FTA) applications. - Provide management-ready summaries, recommendations, and ad hoc financial analysis as required. - Manage priorities and deadlines across multiple product lines while maintaining accuracy and documentation quality. Expected Deliverables and Measures of Success - Complete, accurate, and on-time cost models for all assigned product lines. - Clear and traceable assumptions, source data, formulas, model versions, and supporting documentation. - Reliable cost roadmaps, scenario analyses, and variance bridges that management can use for decisions. - Timely identification and communication of cost risks, opportunities, data gaps, and required actions. - Demonstrated ownership: the analyst independently drives the model to completion rather than only collecting or compiling inputs. Qualifications and Experience - Bachelor's degree or above in Finance, Accounting, Business Administration, Economics, or a related field. An Engineering background is also acceptable; an MBA is a plus. - At least 5 years of relevant working experience, including product cost accounting or product costing experience in a multinational manufacturing company. Experience with a U.S.-listed company is preferred. - At least 3 years of hands-on product costing experience. - Advanced Microsoft Excel modeling capability is essential. The role requires the ability to build, maintain, audit, and explain complex manually managed cost models, not only operate an automated costing system. - Good knowledge of manufacturing processes and the ability to translate technical and operational inputs into financial cost impact. - Proficiency in Oracle ERP; SAP experience is acceptable. Strong Microsoft Office skills are required, and Tableau experience is a plus. - Ability to manage multiple priorities and deliverables across approximately 5-10 product lines. - English proficiency sufficient to work effectively with global teams from diverse cultural backgrounds. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Ops Project Manager

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Capacity Ramp Management - Lead factory capacity ramp planning and execution to support production demand. Develop ramp schedules, resource plans, and recovery actions. - Monitor capacity utilization, bottlenecks, and output performance. - Coordinate line readiness, equipment installation, qualification, and staffing plans. - Drive ramp readiness reviews with stakeholders. Program & Project Management - Manage end-to-end program timelines, milestones, and risks. - Track project deliverables and ensure execution aligns with business goals. Lead cross-functional meetings and action follow-ups. - Escalate critical issues and drive closure plans. - Support business continuity and contingency planning. Manufacturing & Operations Coordination - Work closely with production, IE, ME, PE, and facilities teams. - Coordinate factory layout changes and production line setup. - Support productivity improvement and cycle time reduction initiatives. - Ensure smooth transition from NPI to mass production. Supply Chain & Material Readiness - Coordinate with supply chain and procurement teams on material readiness. Monitor shortages, long lead-time items, and supplier risks. - Align build plans with component availability. Quality & Process Control - Ensure ramp activities comply with quality requirements. - Support yield improvement and process stabilization during ramp. - Coordinate corrective actions for production or quality issues. Stakeholder Communication - Provide regular project status updates to management and global teams. Prepare presentations, dashboards, and ramp reports. - Communicate risks, mitigation plans, and key decisions clearly. Requirements - B.S. in an engineering, operation or related field plus - 5+ years of experience in managing complex product development or operations in electronics, Semiconductors or Opticals manufacturing - Experience managing cross-functional projects in a manufacturing environment. - Experience with NPI ramp and mass production transfer is preferred. - Strong data analysis and reporting skills. - Excellent communication skills in verbal, written, and presentation formats - High level of integrity, work ethic, responsiveness, and commitment to continuous improvement - Ability to travel as required/possible to coordinate projects and build relationships with the larger international development teams We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Material Planner

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Responsibilities - Publish weekly Build-Plan and maintain the On Time Delivery to Promise (OSD) and Customer Request Date (CRD) - Release and manage the Work Order base on the product yield, material availability, and installed machine capacity - Coordinate with MC, Buyer, MFG, PE, QE, IQA, IE, Warehouse, IT for resolving any of operation issues - Schedule Sales Order in Oracle and Communicate with CSR/ Sales and other related function to resolve any issues concerning the requirement - Request Warehouse and Logistic to process the shipment for those under due-to-ship SO/ MSO - Supporting company activities such as 5S, Kaizen, others. Qualifications - Bachelor's Degree in any related field - At least 5 years in Production Planner / Material Planner - Able to communicate in English (writing & speaking) and proficient with a computer - Knowledge and use of Excel to apply with production planning would be an advantage - Background in MRP and inventory control would be advantageous - Familiar with BOI requirements would be an advantage. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Supplier Quality Engineer

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Supplier Quality Engineer – Semiconductor Position Summary Lumentum is seeking an Principal Supplier Quality Engineer (SQE) to drive supplier quality excellence for semiconductor commodities supporting next-generation AI clusters, hyperscale cloud data centers, coherent optical communications, silicon photonics, and advanced photonic technologies. As the SQE for Semiconductor Commodities, you will partner closely with Design Authority, Product Engineering, Manufacturing Engineering, Commodity Management, Reliability Engineering, and strategic suppliers to ensure supplier capability, manufacturing readiness, product quality and process stability throughout the complete product lifecycle—from technology development and supplier selection through New Product Introduction (NPI), production ramping up, and sustaining manufacturing. This role is ideal for a technically strong engineer with expertise in semiconductor manufacturing, advanced packaging technologies, and supplier development. Success requires the ability to influence technical decisions across global organizations while developing supplier capabilities that enable innovation, manufacturing scalability, and world-class product quality. Key Responsibilities Product & Business Ownership - Serve as the Supplier Quality Engineer for Lumentum's Semiconductor Commodity portfolio. - Own the supplier quality strategy supporting semiconductor technology roadmaps across multiple Business Units. - Provide supplier quality leadership throughout the complete product lifecycle, from technology development through sustaining production. - Partner with Design Authority, Product Engineering and Commodity Management to influence supplier selection, manufacturing strategy, technology roadmaps, and supplier capability development. - Support multiple concurrent NPI programs while balancing business priorities, supplier readiness, manufacturing capacity, and technology maturity. Supplier Quality & Supplier Development - Lead supplier qualification, manufacturing capability assessments, process audits, and supplier process readiness evaluations for strategic semiconductor suppliers. - Evaluate supplier manufacturing maturity, process capability, and operational excellence across wafer fabrication, assembly, packaging, and test operations. - Develop supplier improvement roadmaps focused on quality, yield, process capability and stability, manufacturing robustness, and operational excellence. - Identify supplier risks and develop mitigation strategies supporting business continuity, supply resiliency, and product quality. - Drive Lean Manufacturing, Six Sigma, and continuous improvement initiatives with strategic suppliers. New Product Introduction (NPI) - Partner with Design Authority, Product Engineering, Manufacturing Engineering, and Program Management to ensure supplier readiness for new product introductions. - Participate in Design Reviews, Design for Manufacturability (DFM), and Design for Excellence (DFX) activities with Engineering teams and suppliers. - Lead supplier process qualification, First Article Inspection (FAI), process validation, and production readiness activities. - Support production ramping, foundry transfers, manufacturing transfers, localization initiatives, supplier capacity expansion, tool qualification, and dual-source qualification projects. - Ensure suppliers consistently meet quality, reliability, manufacturability, and delivery requirements prior to production release. Engineering & Technical Leadership - Act as the primary technical quality interface between Lumentum and strategic semiconductor suppliers. - Influence engineering and supplier decisions without direct authority through technical expertise and data-driven decision making. - Lead supplier technical reviews, quality reviews, executive escalations, and corrective action activities. - Drive supplier capability development across advanced semiconductor manufacturing technologies, wafer fabrication processes, assembly, packaging, and automated manufacturing systems. - Support Engineering organizations with supplier manufacturing expertise during technology development, process qualification, product industrialization, and technology transfers. Cross-Functional Collaboration - Work closely with Design Authority, Product Engineering, Commodity Management, Manufacturing Engineering, Reliability Engineering, Operations, Program Management, and Customer Quality. - Support supplier changes, value engineering initiatives, localization programs, manufacturing optimization, and cost reduction projects. - Utilize supplier quality metrics, statistical analysis, SPC, and manufacturing data to improve supplier capability and product quality. - Drive proactive supplier risk management, manufacturing readiness, and long-term supplier development throughout the product lifecycle. Required Qualifications - Bachelor's degree in Electrical Engineering, Materials Science, Semiconductor Engineering, Physics, Chemical Engineering, or a related engineering discipline. - Minimum 8 years of experience in Supplier Quality Engineering, Manufacturing Quality, Product Quality, Process Engineering, or Quality Engineering within a high-technology semiconductor manufacturing environment. - Technical understanding of semiconductor manufacturing technologies, including wafer fabrication, epitaxial growth, lithography, thin-film deposition, etch, CMP, bumping, wafer probing, singulation, assembly, packaging, and final test. - Experience with compound semiconductor or photonic technologies such as InP, GaAs, Silicon Photonics, CMOS, SOI, or advanced semiconductor packaging. - Experience supporting supplier qualification, process validation, New Product Introduction (NPI), foundry qualification, manufacturing transfer, and production ramp activities. - Knowledge of semiconductor quality systems, statistical process control, process capability analysis, FMEA, Control Plans, Measurement System Analysis (MSA), JEDEC qualification standards, and structured problem-solving methodologies. - Familiarity with semiconductor reliability qualifications, including HTOL, HAST, thermal cycling - Familiarity with 8D failure analysis techniques. - Excellent communication, organizational, project management, and leadership skills. - Demonstrated ability to influence cross-functional technical decisions across engineering, manufacturing, sourcing, and supplier organizations. - Willingness to travel domestically and internationally (approximately 20–30%). Why Join Lumentum? At Lumentum, Supplier Quality Engineering is evolving into a strategic engineering organization that partners closely with Design Authority, Product Engineering, Manufacturing Engineering, and our global semiconductor supply base to enable innovation and business growth. As the SQE for Semiconductor Commodities, you will help shape supplier technology roadmaps, influence supplier selection, accelerate new product introductions, and develop the manufacturing capabilities required to deliver the next generation of AI networking, silicon photonics, coherent optics, and advanced semiconductor technologies. Your work will directly impact the performance, scalability, reliability, and supply resilience of the semiconductor devices powering the world's most advanced communications infrastructure. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Capital Analyst

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! - Create and monitor a system of controls, procedures, and forms for the recording of fixed assets. - Track the compilation of project costs into fixed asset accounts, and close out those accounts once the related projects have been completed. - Work closely with the other departments in tracking project costs in comparison to their budgeted projections. - Conduct periodic reviews of the fixed asset schedule to determine dispositions. - Reconcile the balance in the fixed asset subsidiary ledger to the general ledger. - Run depreciation for all fixed assets. - Prepare audit schedules relating to fixed assets, and assist the auditors in their inquiries. - Review and preparation of monthly financial statements. - Reconcile specific general ledger accounts. - Assist in the preparation of budgets. - Communicate with co-workers, management and clients in a courteous and professional manner. - Reporting for work in a timely manner when scheduled Requirement - 5+ years of fixed asset accounting experience. Bachelor's degree in accounting preferred. Must be detail oriented. - Good knowledge and strong experience of fixed assets and General Ledge. - Good knowledge of Generally Accepted Accounting Principles (GAAP) - Proficiency in Excel and Ability to apply several accounting and reporting systems - Good in communication and analytical skills - Ability to work individually or in a team setting - Excellent interpersonal and time management skills to meet time-sensitive deadlines - Strong ability to give attention to detail and to perform multiple tasks at the same time We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Reliability Engineering Manager

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! The Reliability Engineering Manager will establish and lead the manufacturing reliability function supporting the company's strategic optical communication and photonic product portfolio. This position is responsible for developing reliability strategies for both new product introductions (NPI) and manufacturing products, executing ongoing reliability testing (ORT), investigating failures, driving root cause analysis, and identifying opportunities to improve product and process robustness. The successful candidate will focus not only on reliability testing, but also on understanding failure mechanisms, analyzing data, identifying trends, designing experiments, and driving corrective actions across manufacturing, product engineering, quality, and reliability organizations. The role will initially build and lead a small reliability team while establishing the processes, and engineering discipline required to support both manufacturing and future business growth. Key Responsibilities - Build and lead the Nava manufacturing reliability team capability. - Develop reliability strategies supporting both new product introductions and manufacturing products. - Own ongoing reliability testing (ORT) programs and support product qualification activities. - Develop reliability test plans, schedules, reporting systems, and escalation processes. - Analyze reliability data to identify trends, failure mechanisms, and emerging product or process risks. - Lead root cause investigations using statistical analysis, Design of Experiments (DOE), and structured problem-solving methodologies. - Partner with Product Engineering, Manufacturing Engineering, Quality, R&D, and Central Reliability teams to drive corrective and preventive actions. - Identify reliability risks early in product development and drive mitigation activities before product release. - Develop reliability strategies, qualification methodologies, and reliability requirements for new and existing product platforms. - Recruit, develop, and mentor reliability engineers and technicians as the organization grows. Qualifications - Bachelor's or master's degree in engineering, Physics, Materials Science, Mechanical Engineering, Electronics, or a related technical discipline. - Excellent written and spoken English communication skills. - 8+ years of engineering experience with at least 3 years leading reliability, qualification, quality, manufacturing, or related engineering teams. - Strong understanding of reliability methodologies accelerated testing, failure analysis, statistical analysis, and reliability data interpretation. - Demonstrated experience conducting DOE studies and translating findings into product or manufacturing improvements. - Experience in electronics, semiconductor, optical, storage, automotive, industrial, or other high-volume manufacturing environments. - Strong knowledge of materials, mechanical reliability, manufacturing processes, and failure mechanisms. - Demonstrated ability to build engineering capability, influence cross-functional teams, and mentor technical staff. Preferred Experience - Ownership of manufacturing reliability, product reliability, ORT, qualification, or reliability growth programs. - Experience supporting products through development, qualification, manufacturing ramp, and volume production. - Experience with optical communication products, semiconductor packaging, optoelectronics, photonics, datacenter hardware, storage devices, or other high-reliability electronic products. - Experience with reliability data analysis using JMP, Minitab, Python, R, Weibull++, or equivalent tools. - Experience working across multiple international engineering and manufacturing sites. - Experience developing reliability laboratories, test infrastructure, measurement systems, or reliability processes. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Test Engineer

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! About Lumentum Lumentum (NASDAQ: LITE) is a global leader in optical and photonic technologies that power the networks and infrastructure behind AI, cloud computing, and next-generation communications. Built on decades of photonics innovation, Lumentum delivers high-performance lasers, modules, and optical subsystems that enable scalable, energy-efficient data center connectivity, advanced telecom networks, industrial manufacturing, and sensing applications. Headquartered in San Jose, California, the company operates R&D, manufacturing, and sales facilities worldwide. Learn more at www.lumentum.com Lumentum is seeking an experienced Test Engineer to join the Communication and Commercial Optical Products business unit. In this role the candidate will be responsible for determining most effective ways to test advanced optical components through focus on new testing systems and processes using hardware, software, real time data acquisition, and programming knowledge. The candidate will interface with different groups within Lumentum, including product engineers, R&D engineers, equipment engineers, manufacturing process engineers, to maintain and improve legacy and new product introductions. The successful candidate should be self-motivated, a creative thinker, exhibit drive for success, be process and systems oriented, hands on, manage with clear and concise data, and work well within a cross-function team. In this role, the candidate will also: - Work closely with internal and offshore teams to develop and implement test processes and systems into existing production environment. - Design test process and create work instruction. - Improve yield, efficiency, and cycle time (HPU). - Drive automation and eliminate manual tasks. - Develop new and modify existing test hardware and software to meet product requirements. - Analyze, debug, and recommend corrective actions for test related issues on manufacturing floor. Requirements - Bachelors in telecommunication, electrical engineering or related field. - At least 5 years experience with Test Engineering in a fast-paced electronics manufacturing environment. - Knowledge on circuit diagram and electronic component. - Experience on Measurement System Analysis (MSA), GR&R and Correlation. - Data analysis and report preparation skills. - Knowledge and experience with manufacturing (assembly and testing) of high-end OSFP. - Demonstrated skills/knowledge of complex PCBAs, TOSA, ROSA and PAM4. - Experience in the setup and configuration of electronic and optical test sets and equipment is essential. - Ability to work and communicate orally and in writing in English and Thai. - Demonstrated ability to work across geographical boundaries on a worldwide basis with R&D and Manufacturing groups. - Knowledge and experience in test and testing programming in .NET. - Proven ability to work without direct supervision. - Hands-on debug skills of mixed analog/digital PCBA’s and optical assemblies. - C# and LabView programming, test automation, Minitab/JMP skills is a plus. - Willingness to work on a flexible schedule and occasional overseas travel. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

IT Security Analyst

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! 1. Security monitoring and alert triage - Monitor Security Information and Event Management (SIEM), Endpoint Detection and Response (EDR), anti-malware, email security, web security and cloud security alerts. - Validate, triage and prioritise security events using agreed playbooks, business impact and risk context. - Create accurate incident records, preserve relevant evidence and escalate incidents through the agreed incident management process. - Support containment, eradication and recovery activities under the direction of the incident owner. 2. Incident response and operational support - Follow documented incident response procedures for malware, phishing, account compromise, data exposure, suspicious network activity and lost or stolen devices. - Assist with post-incident actions, including evidence capture, timeline building, lessons learned and remediation tracking. - Maintain security operations knowledge base articles and playbooks for repeatable response tasks. 3. Vulnerability and configuration management - Run or support scheduled vulnerability scanning across servers, endpoints, network devices, applications and cloud services. - Validate scan findings, remove false positives where evidence supports this, assign remediation tickets and monitor progress against agreed service levels. - Support secure configuration checks against approved baselines, including endpoint hardening, logging configuration and privileged account controls. - Provide clear remediation guidance to infrastructure, application and service teams. 4. Identity, access, Data Loss Prevention and Multi-Factor Authentication - Support identity and access management processes, including joiners, movers, leavers, privileged access reviews and evidence collection for access recertification. - Monitor and investigate Data Loss Prevention (DLP) alerts, applying agreed classification, privacy and escalation rules. - Support Multi-Factor Authentication (MFA) administration, user enrolment, exception handling, break-glass access checks and failed authentication investigations. - Assist with user access investigations where suspected compromise, misuse or policy breach is identified. 5. Security controls and tooling - Operate security tools in line with documented procedures and change controls. - Support maintenance of alert rules, watchlists, endpoint policies, email filtering rules and data protection controls under approved guidance. - Record control issues, service defects and improvement opportunities. - Carry out routine security checks for backup alerts, logging gaps, certificate expiry, secure configuration and monitoring coverage. 6. Policy, compliance and assurance support - Gather evidence for audits, risk assessments, supplier checks and compliance reviews. - Apply relevant internal policies, standards and data handling requirements. - Support regular checks against security standards, control requirements and business processes. - Identify policy exceptions or control gaps and raise them through the agreed risk management process. 7. Awareness and stakeholder support - Provide practical security advice to users and technical teams. - Support phishing exercises, security awareness activities and targeted communications. - Explain security requirements in a clear, proportionate and helpful way. - Promote secure behaviours, including reporting suspicious activity, protecting credentials and handling sensitive data correctly. 8. Reporting and documentation - Maintain accurate incident, alert, remediation and evidence records. - Prepare routine operational reports on alerts, incidents, vulnerabilities, Data Loss Prevention (DLP), Multi-Factor Authentication (MFA), control exceptions and remediation progress. - Contribute to dashboards and management information using agreed metrics. - Keep procedures, playbooks and technical notes up to date. Qualifications - Bachelor Degree in Computer Science, Information Technology, Cybersecurity, or related fields. - At least 1–2 years of experience in IT governance, IT audit, risk, or compliance - Experience in cybersecurity risk assessment, threat modeling, control testing, or security governance. - Good command of spoken and written in English. - Strong analytical and problem-solving skills - Good documentation and report-writing abilities - Attention to detail and organizational skills We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Data Engineer

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Lumentum is seeking a Senior Data Engineer to join our Data Science and Data Engineering team. In this role, you will design, build, and optimize scalable data platforms, pipelines, and analytics solutions that enable data-driven decision-making across the enterprise. You will work closely with business leaders, data scientists, analysts, and technology teams to transform complex data into actionable insights that drive operational excellence, business growth, and strategic outcomes. This is an opportunity to play a key role in advancing Lumentum's enterprise analytics capabilities by developing modern data architectures, improving data quality and accessibility, and enabling AI and advanced analytics initiatives. You will collaborate across functions including Sales, Operations, Manufacturing, Supply Chain, and Finance to deliver impactful solutions in a fast-paced and innovative environment. Responsibility - Design, develop, and maintain scalable data pipelines, data products, and enterprise data models that support analytics, reporting, machine learning, and AI initiatives across Lumentum. - Build and optimize modern data architectures using Databricks, Delta Lake, Spark, SQL, and cloud-native technologies to enable high-performance analytics and trusted business insights. - Develop and maintain curated semantic layers, business metrics, and governed datasets that power self-service analytics and conversational AI solutions such as Databricks Genie and other natural language query platforms. - Partner with business stakeholders across Sales, Operations, Manufacturing, Supply Chain, Finance, and HR to translate business requirements into scalable data solutions and reusable data assets. - Enable business users to interact with enterprise data through natural language interfaces by designing data models, metadata frameworks, business glossaries, and governance standards that improve AI-generated insights and query accuracy. - Collaborate with Data Scientists, Analytics Engineers, and BI developers to support advanced analytics, predictive modeling, and AI-driven decision-making. - Establish data quality, lineage, observability, and governance frameworks to ensure trusted, secure, and compliant enterprise data assets. - Design and implement enterprise-wide KPI frameworks and metric definitions to create a single source of truth across functional domains. - Optimize data performance, reliability, and scalability while reducing technical debt and improving platform efficiency. - Support the development of AI-enabled analytics capabilities, including retrieval-augmented generation (RAG), vector search, knowledge repositories, and semantic search solutions that enhance data discovery and business productivity. - Drive adoption of modern data engineering best practices including CI/CD, Infrastructure as Code, automated testing, and data lifecycle management. - Partner with leadership and analytics teams to advance Lumentum's vision of a centralized, AI-enabled analytics organization. Qualifications - Degree in Computer Engineering, Computer Science, IT, or related fields. - 10+years of hands-on experience as a Data Engineer or similar role. - Strong SQL and data modeling skills, including Databricks, Delta Lake, Spark, SQL, and cloud-native technologies - Strong analytical, troubleshooting, and problem-solving skills with the ability to support production environments. - Good communication, problem solving skills, and teamwork mindset. - Excellent English proficiency (reporting to foreign national) We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Manufacturing & Operations Training Manager

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Position: Production Training Manager Location: Lumentum Thailand, Navanakorn – Pathum Thani Department: Productions Reports To: Senior Director, Operations Position Summary We are seeking an experienced and passionate Manufacturing Training Manager to lead the development, implementation, and continuous improvement of training and workforce capability programs across our manufacturing operations. This role is responsible for ensuring employees possess the technical, operational, quality, safety, and compliance competencies required to support business objectives, manufacturing excellence, and operational readiness. The Manufacturing Training Manager will partner closely with Operations, Engineering, Quality, EHS, HR, and Production leaders to build a high-performance learning culture while driving workforce development, compliance training, and skills enhancement initiatives. The ideal candidate will have strong experience in manufacturing training, learning and development, competency management, instructional design, and organizational capability building within a fast-paced manufacturing environment. Key Responsibilities Training Strategy & Workforce Capability Development - Develop and execute the manufacturing training strategy aligned with business goals and operational requirements. - Establish and maintain training frameworks, competency matrices, certification programs, and employee development pathways. - Partner with Operations leadership to identify workforce capability gaps and implement development plans. - Lead workforce upskilling and reskilling initiatives to support business growth and operational transformation. - Drive a culture of continuous learning and employee development throughout the organization. Training Program Management - Design, develop, implement, and evaluate manufacturing training programs for operators, technicians, supervisors, and leaders. - Manage onboarding, orientation, technical skills, cross-training, and certification programs. - Ensure training content remains current, effective, and aligned with operational requirements. - Coordinate training schedules and resources to support production demands while minimizing operational disruption. - Measure training effectiveness and implement continuous improvements based on feedback and business outcomes. Technical & Operational Training - Partner with Engineering, Quality, and Manufacturing teams to develop technical training programs and work instruction certifications. - Support new product introduction (NPI), process changes, automation projects,and technology deployment through effective training programs. - Ensure employees are qualified and certified to perform assigned tasks and manufacturing processes. - Support knowledge transfer and best practice sharing across manufacturing functions. Compliance, Quality & Safety Training - Ensure compliance with company policies, regulatory requirements, customer expectations, and industry standards. - Manage training programs related to EHS, Quality Systems, ISO standards, Responsible Business Alliance (RBA), and other compliance requirements. - Maintain training records, certification status, and audit-ready documentation. - Support internal and external audits and ensure timely closure of training-related findings. - Promote a strong culture of safety, quality, ethics, and compliance. Learning Systems & Training Administration - Manage Learning Management Systems , training databases, competency tracking, and certification records. - Develop dashboards and reports to monitor training effectiveness, compliance status, and workforce readiness. - Ensure training documentation is accurate, standardized, and maintained according to company requirements. - Utilize data analytics to identify trends and improvement opportunities. Leadership & Team Management - Lead, coach, and develop the manufacturing training team. - Build strong partnerships with Operations, Engineering, Quality, HR, and site leadership teams. - Support talent development, succession planning, and leadership development initiatives. - Drive employee engagement through learning and development programs. - Foster a culture of accountability, collaboration, innovation, and continuous improvement. Continuous Improvement & Organizational Development - Drive continuous improvement initiatives related to workforce capability, training efficiency, and learning effectiveness. - Implement best practices in adult learning, instructional design, and manufacturing training methodologies. - Support Lean Manufacturing, Kaizen, and operational excellence initiatives through capability-building programs. - Benchmark training programs against industry best practices and recommend improvements. Qualifications - Bachelor's degree in Engineering, Industrial Management, Organizational Development, or related field. - Minimum 8–10 years of experience in training, learning & development, workforce capability, or manufacturing training environments. - Minimum 3–5 years of leadership experience managing training teams or learning functions. - Experience in electronics manufacturing, semiconductor, optical, automotive, or high-tech manufacturing environments is preferred. - Strong understanding of manufacturing operations, technical training systems, competency management, and adult learning principles. - Experience supporting ISO, RBA, EHS, and quality compliance training requirements. - Experience with Learning Management Systems, training databases, and learning technologies. - Strong project management, communication, facilitation, and stakeholder management skills. - Good command of English communication. Preferred Competencies - Learning & Development Leadership - Manufacturing Training & Workforce Capability Development - Adult Learning & Instructional Design - Leadership & Team Development - Change Management - Stakeholder Management - Compliance & Audit Readiness - Continuous Improvement & Operational Excellence - Data Analytics & Training Effectiveness Measurement - Strategic Thinking & Problem Solving Working Conditions - Work in both office and manufacturing production environments. - Regular interaction with production employees, supervisors, engineering teams, and site leadership. - May require flexibility to support multiple shifts and training activities based on operational needs. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Production Supervisor

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! We are looking for a strong, people-focused, and detail-oriented Production Supervisor to lead frontline manufacturing operations in Lumentum’s high-precision global production environment. This role is responsible for managing daily production activities, ensuring output targets are achieved, maintaining quality and safety standards, and developing operators to perform at high levels. The Production Supervisor works closely with Manufacturing Engineering, Quality, Planning, and Warehouse teams to ensure smooth production flow, resolve operational issues, and support continuous improvement. This position may require managing rotating shifts based on operational needs. Responsibilities - Lead and supervise production operators to ensure daily output, quality, and schedule adherence goals are achieved. - Plan and allocate manpower by shift, ensuring optimal coverage for all production stations and equipment. - Monitor production WIP, line performance, cycle time, and bottlenecks; drive actions to meet production and customer targets. - Ensure strict compliance with SOPs, process controls, ESD, safety, and cleanroom standards during all production activities. - Collaborate with Process Engineering (PE), Quality Engineering (QE), and Equipment teams to resolve production issues, process deviations, or equipment downtime. - Support NPI and engineering builds by coordinating manpower, training operators, and ensuring process readiness. - Conduct real-time line audits, quality checks, and operator performance observations to prevent quality escapes. - Provide coaching, training, and skill development for operators to improve competency, productivity, and flexibility. - Maintain shift documentation including production reports, attendance, incident logs, and abnormality reports. - Drive 5S, Kaizen, cost reduction, and continuous improvement initiatives in the production area. - Ensure proper material, tooling, and fixture readiness by coordinating with Warehouse, Planning, and Engineering teams. - Participate in daily/weekly production meetings and communicate shift performance, issues, and recovery plans. - Escalate critical issues promptly and coordinate corrective actions to minimize production impact. - Perform additional responsibilities or tasks assigned by the Manager. Qualifications - Bachelor’s degree in Engineering, Industrial Technology, Manufacturing, Science, or a related field (Diploma/Vocational + strong experience may also be considered). - 3–8 years of experience in high-tech, electronics, semiconductor, optical, or precision manufacturing. - Minimum 2+ years in a leadership or supervisory role managing production teams. - Strong understanding of manufacturing processes, WIP control, quality standards, and production metrics. - Experience working in cleanroom, optical, or high-precision environments is an advantage. - Strong leadership, communication, and coaching skills with the ability to guide and motivate teams. - Ability to work rotating shifts and support fast-paced, high-volume production environments. - Problem-solving mindset with the ability to analyze issues, drive root cause containment, and implement improvements. - Proficiency in basic computer applications (Excel, Word, ERP systems). - Commitment to safety, quality, and continuous improvement. - We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

IT System Engineer (6 months contract)

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Responsibilities - Design and develop software Utilize programming tools (C#, .NET, Java Script, Type Script, Angular, Python) for develop diverse custom application to support users in R&D and manufacturing. - Develop and design software to convert legacy data format to the company standard data format. - Database design and utilize database language PL/SQL to develop backend applications. - Collaborate closely with business SME’s, R&D, Product engineer and Test Engineer to provide software solutions. - Convert legacy software code into modern and latest technology. - Understand, maintain and improvement of existing variety custom applications. - Communicate with another team in Overseas. - Provide problem-solving solutions including complex and time-sensitive problems where erroneous results could have a significant impact on daily operations and product shipments. - Familiar with documentation, code/design reviews, change management to ensure the delivery of quality solutions. - Offer support to other team members and be a mentor. Requirements - At least 3 years’ software development experience, manufacture related IT system is preferred. - Strong experience and skill set required in any of the (or more) areas below, - Hands on experience with software development in .Net, C# environment OR - Hands on experience with database design for Oracle database or Microsoft Sqlserver OR - Experience with PL/SQL, Stored procedure and package creation. - Excellent English oral/written/presentation skills. - Ability to work under pressure and easily adapt in a fast-paced environment. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Production Manager

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Position: Production Manager Location: Lumentum Thailand, Navanakorn – Pathum Thani Department: Productions Reports To: Senior Director, Operations Position Summary We are seeking an experienced and results-driven Production Manager to lead manufacturing operations in a high-volume manufacturing environment. This role is responsible for managing daily production activities, driving operational excellence, ensuring safety, quality, and compliance standards, while leading production teams to achieve business targets. The ideal candidate will possess strong leadership capability, manufacturing operation experience, problem-solving skills, and the ability to work effectively in a fast-paced environment while driving continuous improvement and team engagement. Key Responsibilities Production Operations Management - Lead and manage daily production operations to achieve production targets, output, quality, delivery, and cost objectives. - Monitor production performance, productivity, and operational efficiency. - Ensure smooth production flow and effective manpower utilization. - Coordinate with cross-functional teams including Engineering, Quality, Supply Chain, Maintenance, Warehouse, and HR to support operational goals. - Drive production planning execution and ensure alignment with customer demand and business priorities. - Escalate and resolve operational issues in a timely and effective manner. Team Leadership & People Management - Lead, coach, and develop Production Supervisors and production teams. - Build a high-performance culture focused on accountability, teamwork, discipline, and continuous improvement. - Conduct performance management, coaching, employee engagement, and talent development activities. - Support workforce planning and succession planning. - Promote positive employee relations and ensure compliance with company policies and labor regulations. Quality, Safety & Compliance - Ensure compliance with safety standards, EHS requirements, company policies, and manufacturing regulations. - Drive product quality improvement and support corrective/preventive actions. - Ensure manufacturing processes comply with quality systems, operational procedures, and customer requirements. - Support internal/external audits and customer audit activities. - Promote a strong safety, quality, and compliance culture within the production organization. RBA, ISO & Compliance Management - Ensure compliance with Responsible Business Alliance (RBA), ISO standards, company policies, and customer requirements. - Support internal/external audits and drive corrective action closure. - Partner with Quality, EHS, HR, and related teams to maintain operational compliance and audit readiness. - Ensure production teams follow SOPs, work instructions, and safety requirements. - Promote a strong culture of compliance, ethics, quality, and workplace safety. Continuous Improvement & Operational Excellence - Drive Lean Manufacturing, productivity improvement, waste reduction, and cost optimization initiatives. - Analyze production data and KPIs to identify gaps and improvement opportunities. - Lead root cause analysis and problem-solving activities to improve operational performance. - Support automation, process improvement, and operational transformation initiatives. Qualifications - Bachelor’s degree in Engineering, Industrial Management, Manufacturing, or related field. - Minimum 7–10 years of manufacturing experience with at least 3–5 years in a leadership or production management role. - Experience in electronics manufacturing, semiconductor, automotive, or high-volume manufacturing environment is preferred. - Strong leadership, people management, and decision-making skills. - Good understanding of production planning, manufacturing processes, quality systems, and EHS standards. - Experience supporting RBA and ISO compliance activities and audits is preferred. - Strong analytical, problem-solving, and communication skills. - Familiarity with Lean Manufacturing, Kaizen, 5S, or continuous improvement methodologies. - Good command of English communication. Preferred Competencies - Leadership & Team Development - Operational Excellence - Problem Solving & Decision Making - Cross-functional Collaboration - Stakeholder Management - Strategic & Analytical Thinking - Accountability & Results Orientation - Compliance & Audit Readiness - Continuous Improvement Mindset Working Conditions - Work in manufacturing and production floor environment. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Production Manager

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! About Lumentum Lumentum (NASDAQ: LITE) is a global leader in optical and photonic technologies that power the networks and infrastructure behind AI, cloud computing, and next-generation communications. Built on decades of photonics innovation, Lumentum delivers high-performance lasers, modules, and optical subsystems that enable scalable, energy-efficient data center connectivity, advanced telecom networks, industrial manufacturing, and sensing applications. Headquartered in San Jose, California, the company operates R&D, manufacturing, and sales facilities worldwide. Learn more at www.lumentum.com. Position: Production Manager Location: Lumentum Thailand, Navanakorn – Pathum Thani Department: Productions Reports To: Senior Director, Operations Position Summary We are seeking an experienced and results-driven Production Manager to lead manufacturing operations in a high-volume manufacturing environment. This role is responsible for managing daily production activities, driving operational excellence, ensuring safety, quality, and compliance standards, while leading production teams to achieve business targets. The ideal candidate will possess strong leadership capability, manufacturing operation experience, problem-solving skills, and the ability to work effectively in a fast-paced environment while driving continuous improvement and team engagement. Key Responsibilities Production Operations Management - Lead and manage daily production operations to achieve production targets, output, quality, delivery, and cost objectives. - Monitor production performance, productivity, and operational efficiency. - Ensure smooth production flow and effective manpower utilization. - Coordinate with cross-functional teams including Engineering, Quality, Supply Chain, Maintenance, Warehouse, and HR to support operational goals. - Drive production planning execution and ensure alignment with customer demand and business priorities. - Escalate and resolve operational issues in a timely and effective manner. Team Leadership & People Management - Lead, coach, and develop Production Supervisors and production teams. - Build a high-performance culture focused on accountability, teamwork, discipline, and continuous improvement. - Conduct performance management, coaching, employee engagement, and talent development activities. - Support workforce planning and succession planning. - Promote positive employee relations and ensure compliance with company policies and labor regulations. Quality, Safety & Compliance - Ensure compliance with safety standards, EHS requirements, company policies, and manufacturing regulations. - Drive product quality improvement and support corrective/preventive actions. - Ensure manufacturing processes comply with quality systems, operational procedures, and customer requirements. - Support internal/external audits and customer audit activities. - Promote a strong safety, quality, and compliance culture within the production organization. RBA, ISO & Compliance Management - Ensure compliance with Responsible Business Alliance (RBA), ISO standards, company policies, and customer requirements. - Support internal/external audits and drive corrective action closure. - Partner with Quality, EHS, HR, and related teams to maintain operational compliance and audit readiness. - Ensure production teams follow SOPs, work instructions, and safety requirements. - Promote a strong culture of compliance, ethics, quality, and workplace safety. Continuous Improvement & Operational Excellence - Drive Lean Manufacturing, productivity improvement, waste reduction, and cost optimization initiatives. - Analyze production data and KPIs to identify gaps and improvement opportunities. - Lead root cause analysis and problem-solving activities to improve operational performance. - Support automation, process improvement, and operational transformation initiatives. Qualifications - Bachelor’s degree in Engineering, Industrial Management, Manufacturing, or related field. - Minimum 7–10 years of manufacturing experience with at least 3–5 years in a leadership or production management role. - Experience in electronics manufacturing, semiconductor, automotive, or high-volume manufacturing environment is preferred. - Strong leadership, people management, and decision-making skills. - Good understanding of production planning, manufacturing processes, quality systems, and EHS standards. - Experience supporting RBA and ISO compliance activities and audits is preferred. - Strong analytical, problem-solving, and communication skills. - Familiarity with Lean Manufacturing, Kaizen, 5S, or continuous improvement methodologies. - Good command of English communication. Preferred Competencies - Leadership & Team Development - Operational Excellence - Problem Solving & Decision Making - Cross-functional Collaboration - Stakeholder Management - Strategic & Analytical Thinking - Accountability & Results Orientation - Compliance & Audit Readiness - Continuous Improvement Mindset Working Conditions - Work in manufacturing and production floor environment. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Senior Tax Manager

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Job Description This position plays a pivotal role on Lumentum Thailand Tax matters. This role will work seamless with the Corporate Tax team in developing and execution of the tax strategies, managing day to day tax tasks mainly but not limited to VAT, CIT, withholding tax, and duty, including tax compliance processes review and enhancement, tax computation, tax filing, and work with Thailand local Finance and Operations teams to best utilize BOI privilege, work with TRD for inquiries and supporting documents, etc. Leading Tax related Projects by working closely with the Corporate Tax team and/or external firms. Responsibilities: - Develop and execution of tax strategies to best utilize BOI privilege. - Tax Compliance including internal processes review, tax computations, tax reports and filing, answer TRD inquiries, etc. - Transfer pricing arrangements, working closely with external professional support in this area and assisting business queries. - Provide tax advice/support to business projects. - Work with the revenue department to resolve any tax issues. - Address any tax related inquiries/issues, both from internal and external - Leading Tax projects if any - Other tasks assigned by the management. Qualifications: - Bachelor’s degree in Accounting, Taxation, Economy, Law (CPA is preferred). - 6 years+ of experience in tax advisory, and tax compliance. - Experience from big 4 is a plus. - Strong knowledge of all taxes, BOI knowledge is a plus. - Business Result Oriented, Open minded, with excellent communication and interpersonal skills, being able to work with people from globe with diversified cultural background. - Continuous Improvement mindset, willing to take challenges to lead/participate in Kaizen projects. - English as working language. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Production Planner

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! We are looking for a Senior Production Planner to join Lumentum and support our manufacturing operations by developing and maintaining effective production plans to meet customer demand and delivery commitments. This role plays a key part in ensuring on-time delivery through optimal planning of materials, capacity, and resources, while working closely with cross-functional teams in a fast-paced, high-tech manufacturing environment. Key Responsibilities Production Planning & Scheduling - Develop and publish weekly build plans to support On-Time Delivery (OTD) in line with Customer Request Date (CRD) and Order Ship Date (OSD). - Release, manage, and prioritize work orders based on product yield, material availability, and installed machine capacity. - Monitor production execution and adjust plans to respond to demand changes, capacity constraints, and material shortages. Order & System Management - Schedule and manage sales orders in Oracle ERP, ensuring accurate alignment with production plans. - Communicate closely with team to resolve order changes, priorities, and delivery issues. - Maintain accurate and timely planning data in ERP and related planning systems. Cross-Functional Collaboration - Coordinate with Material Control, Buyers, Manufacturing, Production Engineering (PE), Quality Engineering (QE), Incoming Quality Assurance (IQA), Industrial Engineering (IE), Warehouse, Logistics, and IT to resolve operational issues affecting production or delivery. - Proactively identify risks to delivery commitments and drive corrective actions with relevant stakeholders. Shipment & Delivery Support - Coordinate with Warehouse and Logistics to ensure timely processing and shipment of due-to-ship Sales Orders (SO) and Master Sales Orders (MSO). - Ensure alignment between production completion, inventory availability, and shipment schedules. Continuous Improvement - Support and participate in company initiatives such as 5S, Kaizen, and continuous improvement projects. - Contribute ideas to improve planning efficiency, system utilization, and cross-functional collaboration. Safety & Compliance - Comply with all company safety rules, regulations, and standard operating procedures. - Use Personal Protective Equipment (PPE) correctly and consistently while performing job duties. - Stop work and promptly report unsafe conditions or behaviors to supervisors. - Immediately report near misses, incidents, and accidents in accordance with company safety procedures. Qualifications - Bachelor’s degree in engineering, Supply Chain, Business Administration, or a related field. - Minimum 5 years of experience in Production Planning or Material Planning within a manufacturing environment. - Strong knowledge of production planning, MRP, and inventory control. - Hands-on experience with ERP systems (Oracle preferred). - Proficient in Microsoft Excel; advanced planning or data analysis skills are an advantage. - Good command of English, both written and spoken. - Familiarity with BOI requirements is an advantage. - Strong analytical and problem-solving skills. - Effective communication and stakeholder management. - Ability to manage multiple priorities in a fast-paced manufacturing environment. - Detail-oriented, structured, and delivery-focused. - Proactive mindset with a continuous improvement orientation. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Intern — Thailand Internship Program

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! The Engineering Intern will be part of Lumentum’s internship program designed to provide meaningful hands-on experience, professional exposure, and career development. Interns will support engineering teams on real projects, engage with cross-functional stakeholders, and gain insight into global high-tech operations and manufacturing practices. The program welcomes students currently pursuing Bachelor’s, Master’s, or PhD degrees and aims to build skills through structured work assignments, mentorship, and learning opportunities. Key Responsibilities Interns will be expected to: - Support engineering activities and project tasks under guidance - Assist with data collection, analysis, and reporting - Participate in process improvement, workflows, and standard work updates - Contribute to operational excellence initiatives and engineering problem solving - Work collaboratively with cross-functional teams (e.g., Production, Quality, EHS) - Prepare professional documentation and presentations - Follow company safety, quality, and standard procedure Note: Responsibilities may vary based on the assigned engineering area (e.g., process, automation, photonics, industrial, electrical, software, or systems). Who We’re Looking For Education: - Currently enrolled in a Bachelor’s, Master’s, or PhD program in Engineering or related disciplines (e.g., Photonics , Electronics , Telecom , Mechatronics ,Mechanical, Electrical, Industrial, Manufacturing, Mechatronics, Physics , Science, EHS, etc.) - Open to final-year students as well as postgraduate candidates Core Competencies: - Strong willingness to learn and contribute - Basic understanding of engineering or technical concepts - Good written and verbal communication skills - Teamwork and professional attitude Preferred: - Problem-solving mindset and analytical ability - Interest in manufacturing and high-tech environments - Ability to organize and present data effectively Program Benefits & Experience Interns will: - Gain meaningful professional experience with exposure to real engineering work - Work directly with experienced engineers and technical leaders - Participate in activities that encourage learning and broad industry exposure - Build professional network and career foundation within a global technology company We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

GL Accountant (Temporary 6 months)

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Responsibilities: DAILY, WEEKLY AND MONTHLY OPERATION - Review expenses and accruals to ensure accurate booking. - Prepare month-end closing and balance sheet reconciliation for USGAAP ledger. TAX REPORTING - Prepare documents and reports related to VAT refund and tax related. STATUTORY REPORTING - Prepare monthly statutory balance sheet reconciliation. - Assist senior accountant to provide documents and reports requested by the auditors during the audit process. QUALIFICATIONS - Bachelor’s degree in Accounting, Finance or a related field. - Minimum 2-3 years of experience in accounting. - Good command in reading and writing English. - Good computer skills, including MS office and ERP system. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Test Engineer

Lumentum

Pathum Thani

External

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! The primary role of this position is to support manufacturing of Optical Circuit Switch in our factory in Thailand. The successful candidate would provide first level support under the direction of the manufacturing engineering group in Ottawa. The position therefore requires working some evenings for regular calls to North America. In addition, the position would assist with new product introduction, be responsible for test and test process maintenance, and provide a critical technical interface into the factory while working to improve process yields and quality. Responsibilities - Provide first-level engineering support for optical and electronic test issues in OCS production, including troubleshooting, root-cause analysis, and implementation of corrective actions. - Set up, configure, validate, and maintain optical/electronic test equipment to ensure stable and accurate test operations aligned with Lumentum standards. - Own and sustain test processes, monitor test data trends, and drive yield improvement and defect reduction initiatives. - Support new product introduction (NPI), including test plan validation, pilot builds, equipment readiness, and alignment with global engineering requirements. - Collaborate regularly with Manufacturing Engineering in Ottawa through cross-site calls to resolve issues, standardize testing methods, and drive continuous improvement activities. - Prepare and maintain test documentation such as work instructions, test plans, process controls, and engineering change updates. - Coordinate with Production, Quality, and R&D teams to ensure test readiness, production stability, and timely issue resolution. - Collect, analyze, and prepare test data reports to support engineering decisions, yield analysis, and process optimization. Qualifications - Bachelor’s degree or higher in Electrical Engineering, Electronics, Optics, Physics, Mechatronics, or a related technical field. - 5-10 years’ work experience in high technology work environment, optical and/or electronics in progressive roles. - Knowledge and experience with manufacturing (assembly and testing) of high end optical blades and circuit card assemblies. - Demonstrated skills/knowledge of complex PCBAs, EDFAs and ROADMs. - Experience in the setup and configuration of electronic and optical test sets and equipment is essential. - Ability to work and communicate orally and in writing in English and Thai. - Demonstrated ability to work across geographical boundaries on a worldwide basis with R&D and Manufacturing groups. - Knowledge and experience in test and testing programming in VB6/VB.net. - Proven ability to work without direct supervision. - Able to demonstrate strong problem solving skills. - Hands-on debug skills of mixed analog/digital PCBA’s and optical assemblies. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.