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Principal Mechanical Engineer, Vacuum & R&D Equipment

Job in Milpitas, Santa Clara County, California, 95035, USA
Listing for: Commonwealth-Fusion-Systems-5
Full Time position
Listed on 2026-09-09
Job specializations:
  • Engineering
Salary/Wage Range or Industry Benchmark: 150000 - 225000 USD Yearly USD 150000.00 225000.00 YEAR
Job Description & How to Apply Below

Commonwealth Fusion Systems is seeking a Principal Mechanical Engineer to lead the end-to-end design, integration, and deployment of advanced vacuum and R&D equipment. You will drive system architecture, define requirements, and mentor a team of engineers while collaborating with scientists and other specialists in a fast-paced, safety-conscious environment.

The role emphasizes hands-on design-to-shop-floor execution, high-temperature structural analysis, and semiconductor-standard practices.

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