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Employment type:
Full time
Experience required:
Senior
Salary
$180,000.00 - $240,000.00
About the company:
Pacific Fusion is looking for a Senior Mechanical Engineer to join our X-Ray Diagnostics team. You’ll take mechanical ownership of the housings, mounts, feedthroughs, and support structures for our high-speed X-ray detectors and camera systems, ensuring they perform reliably in vacuum and under extreme fusion chamber conditions.
Design and detail mechanical assemblies for X-ray detectors and cameras: sensor housings, vacuum flanges, alignment stages, and mounting hardware
Develop precision motion and thermal management solutions (e.g. rotary feedthroughs, heat sinks, cooling channels) compatible with high-vacuum and radiation environments
Create and maintain 3D CAD models and 2D fabrication drawings with full GD&T for machined, sheet-metal, and additive-manufactured components
Collaborate with the X-Ray Diagnostics Lead, physicists, and electrical engineers to translate system requirements into robust mechanical designs
Perform FEA (structural, thermal) to validate designs against shock, vibration, and thermal loads expected in pulsed fusion experiments
Work with vendors and in-house shops to prototype, test, and iterate designs in a rapid-turn laboratory setting
Own revision control and documentation in PDM/PLM systems: part numbering, BOMs, ECOs, and CAD library maintenance
Bachelor’s Degree in Mechanical Engineering or related field; advanced degree a plus
5+ years’ experience in mechanical design for vacuum-compatible instrumentation, ideally with radiation or high-energy diagnostics
Expert proficiency in 3D CAD (Creo or NX), GD&T, and producing detailed manufacturing drawings
Hands-on experience with FEA tools (ANSYS, COMSOL) for structural and thermal analysis
Proven track record working with vendors to deliver precision-machined and custom-fab components
Strong problem-solving skills and comfort iterating designs quickly in a lab or field environment
Excellent verbal and written communication skills for technical documentation and cross-functional collaboration
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
Actual base salary offered will be determined by: experience, skills, and work location. This range is for base salary, our total compensation includes equity and benefits. We welcome you to apply even if your expectations are outside our listed range.
Pacific Fusion is committed to creating a diverse environment and is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.
Pacific Fusion is committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures and throughout employment. If you need assistance or any accommodation, please let us know.
Pacific Fusion does not accept unsolicited resumes from recruiters or employment agencies without a fully executed recruitment agreement in place. In the absence of such agreement, Pacific Fusion reserves the right to pursue and hire any candidates without an obligation to pay fees. Agencies are requested not to contact Pacific Fusion hiring managers or employees regarding recruiting services.
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