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Mechanical Engineer jobs in United States

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

United States
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LLNL
Mechanical Engineer-Precision Engineering & Diamond Turning
LLNL ·
California, U.S.
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Controlled Environment Systems
Mechanical Engineer
Controlled Environment Systems ·
Cincinnati, Ohio, U.S.
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Alliance Automation
Mechanical Engineer
Alliance Automation ·
Ohio, U.S.
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E-SPACE
Staff Electro-Mechanical Engineer - Battery Packaging
E-SPACE ·
California, U.S.
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Varda Space Industries
Mechanical Engineering Internship - Summer 2026
Varda Space Industries ·
El Segundo, California, U.S.
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Freeform
Mechanical Engineer (New Grad January 2026)
Freeform ·
Los Angeles, California, U.S.
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Xcimer Energy Corporation
Summer 2026 Internship - Mechanical Engineering
Xcimer Energy Corporation ·
Denver, Colorado, U.S.
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Muon Space
Mechanical Engineering Intern (Summer 2026)
Muon Space ·
San Jose, California, U.S.
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KMA Human Resources Consulting
Mechanical Engineer
KMA Human Resources Consulting ·
Portland, Maine, U.S.
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Designed Conveyor Systems
Mechanical Engineer, D&F
Designed Conveyor Systems ·
Tennessee, U.S.
Remote
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Rocket Lab USA
Spacecraft Mechanical Engineer II/ Senior Spacecraft Mechanical Engineer I Pipeline
Rocket Lab USA ·
California, U.S.
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Enprotech Corp
Mechanical Engineer Co - Op (Spring Term)
Enprotech Corp ·
Pennsylvania, U.S.
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Beta Technologies
Mechanical Engineer | Ground Support Equipment
Beta Technologies ·
Vermont, U.S.
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Enprotech Corp
Mechanical Engineer Co - Op (Spring Term)
Enprotech Corp ·
Pennsylvania, U.S.
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Skyryse
Mechanical Engineer, Mechanisms
Skyryse ·
El Segundo, California, U.S.
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Redwood Materials
Staff Mechanical Engineer
Redwood Materials ·
Nevada, U.S.
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SpaceX
Sr. Mechanical Engineer (Critical Infrastructure)
SpaceX ·
Hawthorne, California, U.S.
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Nuro
Mechanical Engineer, Autonomous Vehicle
Nuro ·
Mountain View, California, U.S.
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SharkNinja
Spring 2026: Mechanical Engineering Co-op, Shark (January through June)
SharkNinja ·
Needham, Massachusetts, U.S.
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Freeform
Mechanical Engineer (New Grad Summer 2026)
Freeform ·
Los Angeles, California, U.S.
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