Pacific Fusion · 1 day ago
Senior Mechanical Engineer - Vacuum Systems
Pacific Fusion was founded in 2023 with the mission to power the world with abundant, affordable, clean energy. The Senior Mechanical Engineer - Vacuum Systems will lead the design, analysis, and implementation of cutting-edge vacuum systems, enabling the next generation of fusion technology.
EnergyNatural ResourcesRenewable Energy
Responsibilities
Design, analyze, and test advanced vacuum systems for target area chambers and diagnostics
Select and size vacuum components, including pumps, seals, ducts, and valves, ensuring performance in particle-free cryogenic environments
Lead engineering activities from concept development through final onsite commissioning of vacuum equipment and systems
Conduct detailed thermodynamic, heat transfer, fluid mechanics, and structural mechanics analyses to support system development
Perform experiments to characterize materials for outgassing, permeability, and vacuum compatibility
Provide solutions to field issues related to vacuum system design and performance
Collaborate cross-functionally to educate and negotiate design requirements within a multidisciplinary team
Qualification
Required
B.Sc., M.Sc., or Ph.D. in Mechanical or Aerospace Engineering
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
Proficiency in vacuum modeling tools (e.g., COMSOL, MolFlow, or OpenFOAM) and FEA/CFD analysis
Familiarity with ASME BPVC and B31.3 codes
Experience with radioactive or toxic gas vacuum systems, novel vacuum pumps, or material characterization
Benefits
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
Company
Pacific Fusion
Pacific Fusion focuses on renewable energy generation, emphasizing affordable fusion power inspired by nature.
Funding
Current Stage
Growth StageTotal Funding
$900M2024-10-25Series A· $900M
Recent News
Crunchbase News
2025-12-18
2025-10-03
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