About the job
About Lumilens
At Lumilens, we are pioneering the vital photonics infrastructure that powers the future of AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, we are ushering in a new era of computing that is faster, cooler, and significantly more efficient.
As a well-funded startup supported by Mayfield, we are led by industry veterans who have successfully built and scaled transformative technologies. At Lumilens, we are focused on developing high-speed photonics products specifically designed to enhance the future of AI infrastructure and high-performance computing.
This is not just incremental innovation; it represents a ground-floor opportunity to fundamentally rethink the optical layer from the silicon level. You will collaborate with a team of world-class engineers tackling some of the most challenging problems in scaling optical systems. Every line of code, every design decision, and every breakthrough you contribute will help shape the infrastructure of tomorrow.
If you are seeking a mission-driven environment, rapid momentum, and the opportunity to make a significant impact, join us on this exciting journey. We’re just getting started.
About the Role – Optical Product Test Engineer
In your role as an Optical Product Test Engineer, you will be essential in validating and ensuring the quality of Lumilens’ photonic components, modules, and systems. This position merges hands-on production testing with the development of testing protocols and reporting, supporting both new product introductions (NPI) and volume manufacturing.
You will closely collaborate with optical design, hardware, and manufacturing teams to perform calibration, characterization, and troubleshooting of next-generation photonics technologies that are set to drive the future of AI and high-performance computing infrastructure.
Primary Duties & Responsibilities
Characterize and test fiber optic components and modules
Analyze test results to ensure adherence to performance specifications and quality standards
Maintain precise and detailed records of testing procedures and outcomes
Generate detailed test reports for both internal and external stakeholders
Assist in troubleshooting and root cause analysis to resolve product issues
Design, plan, and conduct optical and fiber testing on components, devices, and systems
Collaborate with cross-functional engineering teams to support NPI and the ramp-up of manufacturing

