Why this role exists
Lumilens raised $900M Unknown on 11 Aug 2026. This role went up 8 days later.
About Lumilens At Lumilens, we are building the essential photonics infrastructure that will drive tomorrow’s AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, Lumilens is ushering in a new era of computing that is faster, cooler, and dramatically more efficient. We’re a well-funded startup backed by Mayfield and led by veterans who have built and scaled some of the industry’s most transformative technologies. Job Description We are seeking an experienced Active Alignment Process Engineer to join our high-performance team developing the photonics solutions powering next-generation AI infrastructure. You will be responsible for optical active alignment processes, assembly yield, equipment controls, and alignment algorithms critical for transceiver manufacturing. You will also handle equipment buyoff and qualification, as well as epoxy dispensing and curing processes. Responsibilities - Lead and optimize optical active alignment processes for transceiver production - Operate, set up, and maintain active alignment equipment, including equipment control and qualification - Develop, implement, and optimize alignment algorithms - Perform equipment buyoff and equipment qualification activities - Oversee epoxy dispensing and curing processes - Design and refine fixtures to improve alignment processes - Work closely with R&D, manufacturing, and engineering teams to ensure high yield and quality in production - Troubleshoot and resolve issues with equipment control, alignment processes, and fixtures - Contribute to process documentation and continuous improvement Requirements - Minimum 5 years of experience with optical active alignment for transceivers or related photonic devices - Familiarity with active alignment processes and equipment for optics such as FAU, lens, isolator, PIC chip, etc - Experience with AA equipment buyoff and qualification · Familiar with the key technologies such as stages, controllers, power meters, MPO connectors, laser sources, algorithms, as well as mechanical parts. - Knowledge of epoxy dispensing and curing methods - Experience with equipment control - Experience in fixture design for alignment - Proficiency in developing or optimizing alignment algorithms - Strong analytical and problem-solving skills - Bachelor’s degree or higher in engineering, physics, optics, or related field preferred