Senior Mechanical Engineer - Precision Positioning and Alignment

Pacific Fusion • San Leandro, CA

1d

About The Position

We’re seeking a Senior Mechanical Engineer to lead the design, development, and alignment of high-precision mechanical systems for our pulsed magnetic inertial fusion platform. This role focuses on high-vacuum environments, tight alignment tolerances, and integration with diagnostic and positioning hardware.

Requirements

• 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.

Nice To Haves

• 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

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.

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

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Number of Employees: 11-50 employees