Optical Design Engineer

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. 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 optics, systems, and scale. 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 As an Optical Design Engineer, you will play a critical role in designing and verifying the coupling optics that are key to delivering optical signals of up to 1.6 Tb/s into our customers’ networks. Primary Duties & Responsibilities Utilize raytracing software tools (e.g., Zemax) to perform optical simulations and design lens and fiber based coupling solutions for Silicon Photonics based electro-optical components. Provide guidance and consult with suppliers on optics design concepts and solutions to optimize the performance of optical transceivers. Design and perform experiments to evaluate the performance of optical coupling solutions. Provide expert technical support to mechanical designers and process engineers to ensure optimum performance under realistic manufacturing conditions. Minimum Qualification Required Master's degree in optical engineering or a related field, Ph.D. preferred. At least 2 years of direct experience in designing optical systems. Proven expertise in designing optics using raytracing software tools such a