Why this role exists
Lumilens raised $900M Unknown on 11 Aug 2026.
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. POSITION OVERVIEW We are seeking an experienced Product Engineer who will be responsible for the development and oversight of manufacturing processes supporting our optical transceiver roadmap. The successful candidate will work closely with contract manufacturers, suppliers, and internal cross-functional development teams to meet product objectives and instill a culture of quality and continuous improvement. DUTIES/RESPONSIBILITIES - End-to-end manufacturing ownership: Ensure all the changes to product, processes, materials, etc. are under change control and follow established QMS requirements. - Responsible for product yield, quality and reliability, as the lead contact for delivering products to customers - Responsible for the accuracy of manufacturing BOM and driving product quality, operational productivity, and total cost of manufacturing - Responsible for analyzing, defining, developing, and executing continuous improvement plans to achieve yield, cycle time, throughput, and scrap reduction. - Track manufacturing test results and ensure compliance with specification - Responsible for product documentation and specifications - Collaborate with quality team for planning and execution of qualification testing - Collaborate with design team and process engineering to ensure design for manufacturing (DFM) guidelines are met - Prepare product and process reports by collecting, analyzing, and summarising information and trends SKILLS/EXPERIENCE - Bachelor’s degree in Electrical Engineering, Industrial Engineering, or related field plus 7 years experience in high-volume optical transceiver manufacturing - Excellent problem-solving and analytical skills. - Experience with manufacturing processes and manufacturing engineering of optical transceivers. - In-depth technical knowledge and hands-on experience in product manufacturing BOM, yield analysis, problem solving, implementation of manufacturing processes. - Experience in transceiver product or optic assembly such as wire bond, die bond, active optical alignment, product testing, burn-in, etc., are preferable. - Experience in ongoing reliability testing and quality control best practices. - Expertise in data analysis, statistical process control (SPC), and report generation. - In depth understanding of the quality management system and quality standard requirements. - Expertise in optics FA processes and tools. - Ability to work well in a geographically diverse cross-functional team. - Good command in English communication both verbal and written, including in-person and virtual presentation skills. - International travel required. All qualified applicants will receive consideration for employment without regard to race, color, religion, religious creed, sex, national origin, ancestry, age, physical or mental disability, medical condition, genetic information, military and veteran status, marital status, pregnancy, gender, gender expression, gender identity, sexual orientation, or any other characteristic protected by local law, regulation, or ordinance.