or apply directly on Pacific Fusion's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 22 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 a Senior Mechanical Engineer at Pacific Fusion, you will lead the mechanical design and structural analysis of core components for a nuclear fusion demonstration system. Your responsibilities include 3D CAD modeling, conducting finite element analysis, and collaborating with cross-functional teams to ensure the successful integration of high-performance hardware. You will also be involved in applying best practices for manufacturability and maintaining comprehensive engineering documentation.
- 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
- 5+ years of hands-on experience in mechanical design and structural/thermal analysis for complex hardware systems
- Advanced proficiency in 3D CAD modeling software (e.g., Creo, SolidWorks)
- Extensive practical experience applying Finite Element Analysis software (e.g., ANSYS, Abaqus, or Creo Simulate)
- Deep understanding of GD&T (ASME Y14.5), tolerance stack-up analysis, and material selection for demanding environments
- Strong knowledge of advanced manufacturing techniques (machining, additive manufacturing, precision welding) and DFM/DFA principles
Nice to have
- Master’s or PhD in Mechanical Engineering
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 technologies or tools beyond CAD and FEA software mentioned, which may indicate a focus on established practices rather than cutting-edge technologies
- The role involves complex hardware systems, which may require a steep learning curve for new employees
- The position requires access to information subject to U.S. export control laws, limiting 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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