Hiring: Principal Mechanical Engineer - Vacuum Company: Commonwealth Fusion Systems Location: Milpitas, CA Job Posted Time: 2026-09-11 14:09:01 Employment Type: Full-time Target Skills & Keywords : Assembly, Microsoft Excel, R, SolidWorks, Systems Design, Vendor Management About the job Experience: •15+ years of experience in the design and implementation of complex R&D systems or semiconductor manufacturing equipment Required Skills: •Strategically drive design, integration, and validation of advanced R&D processing equipment Qualifications: •Establish system-level requirements and innovative design concepts that directly correlate mechanical precision to product quality •Implement and maintain engineering workflows, and best practices using semiconductor standards as your guide •Conduct rigorous reviews for overall mechanical systems and sub-systems, emphasizing manufacturability (DFx) and best practices for mechanical design •Generate and maintain critical interfaces with cross-functional teams, including scientists, vacuum specialists, and electrical engineers •Report on project milestones to stakeholders, ensuring delivery of on-time and in-spec outcomes •Coach engineering staff on technical delivery, procedural discipline, and professional development •Act with speed to drive projects from concept through assembly, testing, and implementation •Master’s degree in Mechanical Engineering or a related field (or equivalent industrial experience) Compensation: •$150,000 - $225,000 / year Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!