Process Engineer

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