Pacific Fusion · 3 hours ago
Senior Mechanical Engineer - Precision Positioning and Alignment
San Leandro, CA
Full-time
Onsite
Senior Level
$176K/yr - $264K/yr
6+ years expPacific Fusion is a company founded in 2023 with the mission to power the world with abundant, affordable, clean energy. They are seeking a Senior Mechanical Engineer to lead the design and development of high-precision mechanical systems for their pulsed magnetic inertial fusion platform, focusing on high-vacuum environments and tight alignment tolerances.
EnergyNatural ResourcesRenewable Energy
Responsibilities
Design and develop equipment for alignment system placement and fixturing
Delegate tasks and manage technical planning within the target area team
Aid with the alignment process development, including automated alignment procedures and integration strategies
Design and execute on prototypes and experiments to validate alignment equipment positioning and repeatability
Conduct tolerance stack-ups, FMEA, and spatial analyses using tools like MATLAB, Python, and CAD (Creo is a +)
Collaborate with cross-functional teams—including controls, diagnostics, and systems engineering—to define hardware requirements and ensure end-to-end integration
Review designs for compliance with precision and alignment specifications
Document procedures, test results, and provide technical updates to internal stakeholders
Support fabrication and installation of mechanical assemblies related to alignment systems
Qualification
Required
Bachelor's or Master's degree in Mechanical Engineering - or equivalent work experience
6+ years of mechanical engineering experience with a focus on high-precision systems
Strong background in mechanical design, CAD, FEM, and system integration
Willingness to learn new tools and software
Expertise in precision alignment, metrology, tolerance analysis, and FMEA
Proficiency in programming using Python, Matlab, etc., and related engineering tools
Proven ability to lead complex engineering projects and mentor others
Strong communication and documentation skills; effective cross-disciplinary collaborator
Preferred
Experience in environments requiring kinematic mounting, vibrational stability, or integration with large-scale systems (e.g., particle accelerators or high-vacuum systems) is a plus
CAD (Creo is a +)
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.
51-200 employees
Funding
Current Stage
Growth StageTotal Funding
$900M2024-10-25Series A· $900M
Leadership Team
Will Regan
Chief Scientist
Recent News
Crunchbase News
2025-12-18
2025-10-03
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