# Fabrication Lead 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: San Leandro, CA
- Work setup: On-site
- Posted: 2026-08-27
- Apply by: 2026-10-11
- Apply: https://job-boards.greenhouse.io/pacificfusion/jobs/4382104009
- Page: https://www.1752.vc/careers/jobs/pacific-fusion-fabrication-lead/

## About the role

Pacific Fusion is seeking an expert Fabrication Lead - Vacuum Systems to oversee the end-to-end delivery of vacuum chamber vessel and large complex steel assemblies critical to our fusion technology. You will lead the procurement, fabrication, machining, and installation of complex vacuum chambers, forged and machined ring assemblies with complex features & tight tolerances. This role is essential for maintaining the extreme vacuum requirements necessary to achieve our fusion goals.

## What they're looking for

- Bachelor’s degree in mechanical engineering, physics, or a related technical field
- 8+ years of experience in high or ultra-high vacuum (UHV) systems, including design, fabrication, and installation
- Deep understanding of vacuum fabrication (welding, surface finish, sealing and cleanliness) and leak detection techniques (e.g., helium leak testing)
- Experience with stainless steel fabrication processes and cleanliness standards for vacuum service
- Familiarity with vacuum system assembly, testing, and troubleshooting
- Experience with aerospace grade fabrication of large & complex stainless steel assemblies with intricate machined features, tight tolerances and smooth surface finish

Tags: Fabrication