# Principal Engineer Silicon Photonics at Lumilens

- Company: Lumilens
- What the company does: Backed by Redpoint.
- Company website: https://lumilens.com/
- Type: Startups
- Level: Principal and up
- Location: San Jose
- Work setup: On-site
- Posted: 2026-06-25
- Apply by: 2026-10-08
- Apply: https://jobs.ashbyhq.com/lumilens/64af9221-cc3c-4373-adac-49a69b0a63d3
- Page: https://www.1752.vc/careers/jobs/lumilens-principal-engineer-silicon-photonics/

## About the role

We are seeking a Principal Engineer, Silicon Photonics to join our rapidly growing team. This is a high-impact leadership role for someone who can shape product direction, translate customer needs into clear technical requirements, and drive cross-functional execution from concept through validation. The ideal candidate brings deep experience with packaged silicon photonics, including optical engine integration, assembly flows, and manufacturing considerations for next-generation optical interconnect products.

## What they're looking for

- A seasoned technical leader with deep hands-on expertise in silicon photonics and packaged optics, with a strong track record of bringing complex products from concept to production
- A natural collaborator who thrives in a multi-disciplinary, geographically diverse team environment
- A strategic product thinker who can synthesize customer requirements, technical constraints, and business priorities into clear decisions and execution plans
- A leader who is just as comfortable presenting a technical roadmap to executives as you are setting up an experiment in the lab
- Proven experience in a principal-level technical leadership role developing and delivering photonics-based products
- Deep expertise in silicon photonics design, performance characteristics, and trade-offs

Tags: Engineering