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Summer 2027 Mechanical Engineering internships in California
As of November 12, 2026, Intern Insider listed 579 open Summer 2027 mechanical engineering internships in California, from 180 companies. Employers include Tesla, NASA - National Aeronautics and Space Administration and Lawrence Livermore National Laboratory. 561 listings state that the role is paid. This page does not invent a salary when the listing is silent. Browse the roles by employer below. You can read the full posting free, then apply in minutes with a free account.
579 open roles · showing the 60 most relevant · 36 companies · 50 added this week
Pivotal4 open
Zoox4 open
Brown and Caldwell3 open
DwyerOmega3 open
Lawrence Livermore National Laboratory3 open
- Power Systems Undergraduate Intern - Cyber and Critical Infrastructure Summer InstituteLivermore, California
- Critical Infrastructure Analysis Undergraduate Intern - Cyber and Critical Infrastructure Summer InstituteLivermore, California
- Critical Infrastructure Analysis Graduate InternLivermore, California
Lockheed Martin3 open
Ayar Labs2 open
Bloom Energy2 open
General Motors2 open
Legence2 open
Lightmatter2 open
Northrop Grumman2 open
Pattern Energy2 open
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As of November 12, 2026, Intern Insider listed 579 open Summer 2027 mechanical engineering internships in California, from 180 companies.
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