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Optical Design Engineer at Lumilens | San Jose

LumilensSan Jose
On-site Full-time

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Experience Level

Experience

Qualifications

Master's degree in optical engineering or a related field; Ph. D. preferred. Minimum of 2 years of hands-on experience in designing optical systems. Proven expertise in optics design using raytracing software tools such as Zemax or CodeV (including sequential, non-sequential, tolerancing, Monte Carlo, ZOS-API, etc.). Strong proficiency in MATLAB or Python. Familiarity with JMP is an advantage. Demonstrated practical lab experience with optical testing and setup design.

About the job

About Lumilens

At Lumilens, we are pioneering the essential photonics infrastructure that will drive the AI supercomputing revolution of the future. From chip-to-chip optical interconnects to scalable photonic engines, we are unlocking a new era of computing that is faster, cooler, and significantly more efficient.

Backed by Mayfield and led by industry veterans who have built and scaled transformative technologies, we are a well-funded startup. This is not just about incremental innovation; it’s a unique opportunity to fundamentally rethink the optical layer from silicon upwards. You will collaborate with world-class engineers to tackle some of the most challenging problems in optics, systems, and scalability. Each line of code, design decision, and breakthrough you contribute will play a vital role in shaping the infrastructure of tomorrow.

If you seek a mission-driven environment with momentum and the chance to make a significant impact, join us on this exciting journey. We are just getting started.

About the Role
As an Optical Design Engineer, you will be instrumental in developing and validating the coupling optics essential for delivering optical signals of up to 1.6 Tb/s into our customers’ networks.

Primary Duties & Responsibilities

  • Leverage raytracing software tools (e.g., Zemax) to conduct optical simulations and design lens and fiber-based coupling solutions for Silicon Photonics-based electro-optical components.

  • Consult with suppliers on optics design concepts and solutions to enhance the performance of optical transceivers.

  • Design and execute experiments to assess the performance of optical coupling solutions.

  • Offer expert technical support to mechanical designers and process engineers to ensure optimal performance under realistic manufacturing conditions.

About Lumilens

Lumilens is at the forefront of developing the photonics infrastructure essential for the next generation of AI supercomputers. With a dedicated team led by industry experts, we focus on delivering transformative optical solutions that redefine efficiency and performance in computing.

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