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Lumilens

Equipment Engineer (Active Alignment Machine)

San Jose
Level
Senior

Not stated in the posting: salary, work type, visa.

Open. First seen 2 October 2026.

About the role

ABOUT LUMILENS

Lumilens's standard text

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.

Lumilens's standard text

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 Active Alignment Equipment Engineer to serve as the primary equipment engineering interface between Lumilens’ optical design team, package design team, manufacturing team and worldwide equipment suppliers.

This role focuses on the active alignment machine for optics such as FAU, lens, isolator, PIC chip, etc. from new machine technology development, process development to qualification of the machines. The candidate must have solid hands-on experience in FAU-PIC alignment machine, very familiar with the key technologies such as stages, controllers, power meters, MPO connectors, laser sources, algorithms, as well as mechanical parts.

Key Responsibilities

· Identify, develop and qualify FAU-PIC equipment suppliers worldwide, for Pluggable/NPO/CPO packages.

· Lead co-design and qualification of the machine, risk analysis and mitigation plan with suppliers for on-time delivery and installation.

· Support active alignment process in mass production line, NPI line and R&D lab.

· Engage with package production teams during the process development and qualification.

Required qualifications

· B.S. or M.S. in Mechanical, Electrical or Optical Engineering.

· 5+ years of working experience in active alignment machine design, assembly or testing, with solid knowledge in coupling efficiency, FAU, PIC, UV epoxy, UPH, and equipment qualification procedures.

· Must be very familiar with the whole active alignment machine industry. Can select and identify different equipment suppliers for different products’ production and R&D.

· Familiar with Solidworks, understand circuit schematics and optical simulations.

  • Fluency in English to communicate with English speaking stakeholders
  • 30~50% travel in Asian countries.

What this role asks for

Particular to this role

SolidWorks

Rare in Lumilens's other 121 open postings.

85% of this description is written for the role. The rest is Lumilens's standard text, folded away below.

Read against Lumilens's other open postings on this site.

The team: Operations HIRES STEADILY

This role is one of 65 open in Operations. 8 were posted in the last 30 days and the oldest in October: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Python (12 of 65), LabVIEW (11 of 65), Test Automation (9 of 65), Bash (8 of 65), SQL (8 of 65), SolidWorks (7 of 65), Bitbucket (6 of 65)

OTHER ROLES ON THIS TEAM

From the team and dates on Lumilens's own job board.

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