# Senior Mechanical Engineer - Vacuum Systems at Pacific Fusion

- Company: Pacific Fusion
- What the company does: Pacific Fusion was founded in 2023 with the mission to power the world with abundant, affordable, clean energy. Backed by General Catalyst and Lightspeed.
- Company website: https://www.pacificfusion.com/
- Type: Startups
- Level: Senior
- Location: Fremont, CA
- Work setup: On-site
- Posted: 2026-08-28
- Apply by: 2026-10-12
- Apply: https://job-boards.greenhouse.io/pacificfusion/jobs/4385903009
- Page: https://www.1752.vc/careers/jobs/pacific-fusion-senior-mechanical-engineer-vacuum-systems/

## About the role

This role is critical to design assembly and integration for testing key components of our pulser system.

## What they're looking for

- Proven expertise in high vacuum systems design, analysis, and construction
- Hands-on experience with vacuum components: chambers, pumps, seals, valves, ducts and clean room techniques
- Experience integrating electrical testing in vacuum systems and pressurized systems
- Familiarity with ASME BPVC and B31.3 codes
- Experience with radioactive or toxic gas vacuum systems, novel vacuum pumps, or material characterization

Tags: Advanced Pulser Development