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Optical Test Engineer
Lumilens · San Jose, CA · Posted 228 days ago
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 the Role – Optical Product Test Engineer
As an Optical Product Test Engineer, you will play a vital role in validating and ensuring the quality of Lumilens’ photonic components, modules, and systems. This position combines hands-on production testing with test development and reporting, supporting both new product introduction (NPI) and volume manufacturing.
You will collaborate closely with the optical design, hardware, and manufacturing teams to calibrate, characterize, and troubleshoot next-generation photonics technologies that will drive tomorrow’s AI and HPC infrastructure.
Primary Duties & Responsibilities
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This posting is sourced from Lumilens's own career site — applying takes you there directly.
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This role is one of 17 Test Engineer openings in San Jose, CA and centers on Optical Test Instruments, Power Meters, Optical Spectrum Analyzers, and Test Automation. There are 163 open roles at Lumilens right now.
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