Country Controller

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.

The Country Controller will lead finance and accounting for Lumilens’ Thailand operations, covering close, statutory compliance, controls, and reporting. The role also partners with manufacturing and local operations on cost discipline, working capital, and financial insight for investment and growth decisions.

Role at a glance

Skills mentioned

What you will likely work on

• Run monthly close, balance-sheet reconciliations, and management reporting for Thailand.
• Prepare statutory reporting under TFRS and manage corporate tax, VAT, and Revenue Department filings.
• Coordinate external audits and maintain effective, well-documented SOX controls.
• Work with local operations on cost controls, expenses, and working capital.
• Oversee payroll compliance, withholding tax, and local regulatory submissions.
• Partner with Group Tax on transfer pricing and intercompany matters.
• Improve and standardize local finance processes, including through automation.
• Provide financial insight to support operational planning and investment decisions.

Good fit signals

• Has 7–10 years of progressive finance and accounting experience.
• Holds a Thailand CPA, US CPA, ACCA, or equivalent credential.
• Brings hands-on SOX control execution and documentation experience, plus strong knowledge of Thai accounting standards, tax, and regulation.
• Can communicate in English in writing and verbally.
• Experience in technology, hardware, semiconductors, FMCG, manufacturing cost accounting, a US-headquartered multinational, or building finance teams and processes from scratch is helpful.