Senior Operations & Supply Chain Controller

Job description

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 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 Senior Operations & Supply Chain Controller, you will serve as the key finance partner to our Singapore 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 plant finance—to play a visible role in building the financial and operational foundation of a next-generation deep-tech company. Role Purpose - Own the full finance partnership for Singapore operations and supply chain activities, ensuring financial visibility across manufacturing, inventory, sourcing, and capacity decisions. - Provide leadership with timely, data-driven insight that connects operational performance to margin, cash flow, capital efficiency, and long-term scalability. - Own the full finance partnership for Singapore operations and supply chain activities, ensuring financial visibility across manufacturing, inventory, sourcing, and capacity decisions. - Provide leadership with timely, data-driven insight that connects operational performance to margin, cash flow, capital efficiency, and long-term scalability. - Act as a trusted business partner to Operations, Supply Chain, Engineering, Tax, and executive leadership to improve decision quality and strengthen execution as the business grows. - COGS & cost engineering: Build, maintain, and continuously improve product and manufacturing cost models across conversion cost, yield, learning curves, and operational efficiency drivers. Partner closely with Operations and Engineering to identify cost-down opportunities, quantify tradeoffs, and improve margin performance as products scale. - Standard costing & transfer pricing: Lead the annual standard cost roll and ensure disciplined cost governance across the manufacturing environment. Partner with Group Tax and cross-border stakeholders to support robust intercompany transfer pricing structures for Singapore to US/Canada flows while balancing compliance, transparency, and business practicality. - Capex governance: Evaluate strategic capital investments with strong financial discipline, including business case development, IRR, payback, and NPV