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Mechanical Engineer Jobs in California

Discover the latest Mechanical Engineer jobs at the fastest growing startups in California. Updated daily.

All jobs in California All Mechanical Engineer jobs Engineering in California
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Commonwealth Fusion Systems
Senior Mechanical Engineer
Commonwealth Fusion Systems ·
California, U.S.
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Astro Mechanica
Mechanical Engineer, Fluid Systems
Astro Mechanica ·
San Francisco, California, U.S.
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Applied Intuition
Senior Manager, Mechanical Engineering - Drone
Applied Intuition ·
Sunnyvale, California, U.S.
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Xona Space Systems
Mechanical Engineering Co-op
Xona Space Systems ·
California, U.S.
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CesiumAstro
Senior Staff Mechanical Engineer
CesiumAstro ·
El Segundo, California, U.S.
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Machina Labs
Senior Mechanical Engineer, Robotics Hardware
Machina Labs ·
Los Angeles, California, U.S.
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Relativity
Tooling Mechanical Engineer II
Relativity ·
California, U.S.
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Commonwealth Fusion Systems
Intern - Mechanical Engineer - Summer 2027
Commonwealth Fusion Systems ·
California, U.S.
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Fortive
Mechanical Engineering Intern
Fortive ·
Irvine, California, U.S.
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Heron Power
Senior/Staff Mechanical Engineer, Power Electronics
Heron Power ·
California, U.S.
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Zipline
Mechanical Engineering Manager
Zipline ·
California, U.S.
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Anduril Industries
Production Mechanical Engineer, Space
Anduril Industries ·
California, U.S.
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DoorDash USA
Mechanical Engineer, Consumer Electronics
DoorDash USA ·
San Francisco, California, U.S.
Hybrid
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Commonwealth Fusion Systems
Principal Mechanical Engineer - Web Handling
Commonwealth Fusion Systems ·
California, U.S.
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Simbe Robotics
Hardware / Mechanical Engineering Intern — Spring & Summer 2027
Simbe Robotics ·
California, U.S.
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Applied Intuition
Senior Mechanical Engineer, Drone
Applied Intuition ·
Sunnyvale, California, U.S.
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Medra
Mechanical Engineer - Winter 2026 Internship
Medra ·
San Francisco, California, U.S.
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Saildrone
Platform Lead / Naval Architect - Staff Mechanical Engineer
Saildrone ·
California, U.S.
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Saildrone
Senior Mechanical Engineer
Saildrone ·
California, U.S.
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Saildrone
Manager, Mechanical Engineering
Saildrone ·
California, U.S.
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