or apply directly on Pacific Fusion's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 20 days Pacific Fusion's roles stay open a median of 45 days
- Reposted
- No
- Salary listed
- No 3% of Pacific Fusion's roles list one
- Ghost-job risk at Pacific Fusion
- high 23 stale, 0 reposted of 37 open
- Hiring momentum
- 46 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from Pacific Fusion's own greenhouse board since 2026-08-03. Full hiring picture for Pacific Fusion.
About this role
As the Fabrication Lead for Vacuum Systems at Pacific Fusion, you will oversee the entire process of delivering vacuum chamber vessels and complex steel assemblies essential for fusion technology. Your responsibilities include managing procurement, fabrication, and installation, while ensuring compliance with tight tolerances and cleanliness standards. You will collaborate with engineers and physicists to optimize system performance and manage supplier relationships, including travel to meet with them as needed.
- benefits
- 3/5
- freshness
- 4/5
- career value
- 4/5
- role clarity
- 5/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Pacific Fusion as an employer.
What you need
- 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
Nice to have
- Experience with large-scale UHV systems for fusion, aerospace, or accelerator physics
- Machining of aerospace grade complex and large assemblies
- Hands-on experience with cleanroom practices and assembly
- Familiarity with nonconformance resolution in vacuum hardware
What you get
- Industry-competitive salary
- Equity plan
- 6% employer 401k matching
- Generous paid time off (including sick leave, vacation, paid family leave)
- Medical, Dental, and Vision insurance
Worth weighing
- Pay range provided, but actual salary will depend on experience, skills, and location
- Role involves travel to meet suppliers, which may impact work-life balance
- Position may require compliance with U.S. export control laws, limiting candidate eligibility to U.S. Persons
Summarised from Pacific Fusion's posting. Read the full original.
Listed by Pacific Fusion on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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