Hiring: Senior Mechanical Engineer Company: Pacific Fusion Location: San Leandro, CA Job Posted Time: 2026-09-11 11:25:35 Target Skills & Keywords : Assembly, AutoCAD, CAD, Configuration Management, Product Data Management, Product Lifecycle Management, Project Management, SolidWorks About the job Experience: •5+ years’ experience in mechanical design for vacuum-compatible instrumentation, ideally with radiation or high-energy diagnostics Required Skills: •Own assigned mechanical scope end-to-end, providing technical direction to multidisciplinary teams to translate system requirements into robust, deliverable designs •Provide subject matter expertise in mechanical design and analysis for advanced diagnostic instrumentation, from concept through release •Develop precision motion and thermal management solutions compatible with high-vacuum and radiation environments •Define and verify mechanical alignment requirements for optical and detector systems, coordinating with metrology and assembly teams •Create and maintain 3D CAD models and 2D fabrication drawings with GD&T for machined, sheet-metal, and additive-manufactured components •Perform FEA (structural, thermal) to validate designs against shock, vibration, and thermal loads expected in pulsed fusion experiments •Drive hardware from prototype through delivery, installation, and commissioning, working with vendors and in-house shops in a rapid-turn laboratory setting •Maintain rigorous revision control and configuration management in PDM/PLM systems: part numbering, BOMs, ECOs, and CAD library maintenance Qualifications: •Bachelor’s degree in mechanical engineering or related field; advanced degree a plus •Strong first-principles engineering instincts and problem-solving skills •Expert proficiency in a professional 3D CAD platform (Creo, NX, or SolidWorks), GD&T, and producing detailed manufacturing drawings •Significant experience with FEA tools (ANSYS, COMSOL) for structural and thermal analysis •Demonstrated ability to navigate competing design constraints simultaneously: vacuum compatibility, radiation tolerance, thermal management, and tight geometric envelopes internally and between neighboring subsystems •Proven ability to operate as an effective individual contributor: self-directed and accountable for assigned deliverables end-to-end •Comfortable driving cross-functional stakeholders — vendors, technicians, and peer engineers — to keep mechanical deliverables on schedule •Excellent verbal and written communication skills for technical documentation and cross-functional collaboration •Able to work closely with team members and project manager in fast-paced environment with ambitious deadlines •Operational familiarity with vacuum systems, cryogenics, high-voltage hardware, or pulsed power components. Compensation: •$138,100 - $263,800 / 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!