About this role

ABOUT LUMILENS
At Lumilens we are building the critical photonics infrastructure that powers tomorrow’s AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, Lumilens is unlocking a new era of computing - faster, cooler, and massively more efficient.
We’re a well-funded startup backed by Mayfield and led by veterans who’ve built and scaled some of the most transformative technologies in the industry. At Lumilens, we’re developing high-speed photonics products purpose-built to power the future of AI infrastructure and high-performance computing.
This isn’t an incremental innovation; it’s a ground-floor opportunity to rethink the optical layer from the silicon up. You’ll work alongside a team of world-class engineers, solving some of the hardest challenges in scaling optical systems. Every line of code, every design decision, every breakthrough you help deliver will shape the infrastructure of tomorrow.
If you're looking for mission, momentum, and the chance to make an outsized impact, jump on the rocket ship. We’re just getting started.
About Lumilens
At Lumilens, we are building the critical photonics infrastructure powering the next generation of AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, our technology enables faster, cooler, and dramatically more efficient systems. Backed by leading investors and built by industry veterans, we are scaling rapidly to bring cutting-edge silicon photonics into high-volume production.
The Role
This is a high-impact leadership role for a finance professional who wants to operate at the center of manufacturing, supply chain, and strategic decision-making. As Country Controller, you will serve as the key finance partner to our Thailand operations, helping shape how Lumilens scales manufacturing capability, drives cost discipline, and builds a resilient global supply chain. You will translate complex operational realities into clear financial insight, influence major investment decisions, and help leadership navigate growth with rigor and speed. For the right candidate, this is an opportunity to go well beyond traditional country finance, to play a visible role in building the financial and operational foundation of a next-generation deep-tech company.
Key Responsibilities
Own monthly close, balance sheet reconciliations, and management reporting for Thailand
Manage statutory reporting under TFRS, corporate tax, VAT, and Revenue Department filings
Liaise with external auditors and ensure clean audit outcomes
Execute and continuously improve SOX controls at the Thailand entity
Partner with local operations on cost controls, expense management, and working capital
Manage payroll compliance, withholding tax, and local regulatory filings
Coordinate with Group Tax on transfer pricing and intercompany matters
Drive process standardization and automation across the local finance team
Required Qualifications
CPA (Thailand CPA, US CPA, ACCA, or equivalent)
7-10 years of progressive finance and accounting experience
SOX experience — hands-on execution and documentation
Strong Thai accounting standards, tax, and regulatory knowledge
English language proficiency — written and verbal
Preferred Qualifications
Technology / hardware / semiconductor / FMCG industry experience
Manufacturing cost accounting exposure
Track record of building and developing finance teams and processes from scratch.
US MNC experience — controller or senior finance leader inside a US-headquartered multinational
What We Offer
A highly visible leadership role with the opportunity to shape financial and operational decisions in a fast-scaling, deep-tech manufacturing environment.
The chance to work at the intersection of finance, operations, and advanced photonics technology—where your analysis directly influences investment, margin, and scale.
Competitive compensation commensurate with experience, along with comprehensive health benefits.
Meaningful exposure to cross-functional and global leadership teams across Singapore, Thailand, India, and the United States.
Professional growth and development opportunities, including the ability to build processes, strengthen systems, and help define the next chapter of operations finance at Lumilens.
A collaborative, ambitious environment where experienced operators can make an outsized impact and help build something category-defining from the ground up.
*Lumilens is an equal opportunity employer. All qualified applicants will receive consideration without regard to race, color, religion, gender, identity, orientation, veteran status, disability, or any other legally protected status.

Country Controller

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