or apply directly on Pacific Fusion's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 80 days Pacific Fusion's roles stay open a median of 80 days
- Reposted
- No
- Salary listed
- No 3% of Pacific Fusion's roles list one
- Ghost-job risk at Pacific Fusion
- high 31 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
- 2026-10-22
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 a Senior Mechanical Engineer at Pacific Fusion, you will be responsible for the design, analysis, integration, and validation of mechanical systems for advanced fusion energy platforms. Your role will involve leading projects, mentoring junior engineers, and ensuring the delivery of robust designs that meet rigorous performance criteria. You will work in a fast-paced environment, collaborating with multidisciplinary teams to drive hardware from prototype to commissioning.
- benefits
- 3/5
- freshness
- 1/5
- career value
- 5/5
- 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 or related field
- 5+ years’ experience in mechanical design for vacuum-compatible instrumentation
- Expert proficiency in a professional 3D CAD platform (Creo, NX, or SolidWorks)
- Significant experience with FEA tools (ANSYS, COMSOL) for structural and thermal analysis
- Strong first-principles engineering instincts and problem-solving skills
- Demonstrated ability to navigate competing design constraints
Nice to have
- Advanced degree in mechanical engineering or related field
- Experience in fusion, plasma physics, accelerator physics, defense, or other high-consequence technical environments
- Familiarity with vacuum systems, cryogenics, high-voltage hardware, or pulsed power components
- Exposure to large-scale structural systems, pressure vessels, or custom capital equipment
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
- No specific mention of remote work options
- Fast-paced environment with ambitious deadlines may lead to high pressure
- Access to information subject to U.S. export control laws may limit candidate pool
Summarised from Pacific Fusion's posting. Read the full original.
Listed by Pacific Fusion on their greenhouse job board, last confirmed open on 2026-10-22. PitchMeAI is not the employer.
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