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.

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.

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