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Mechanical Engineering internships in California

187 open student roles in mechanical engineering in California. They range from internships to co-ops and research. That includes 15 co-ops, 1 research position and 1 part-time role. 55% list pay or say they are paid. The most common start terms are Summer 2027 and Spring 2027. Employers with the most openings: Astranis, Edison International, KLA, AeroVironment and Freeform.

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Bar chart of the 187 open roles on this page by employer: Astranis 10, Edison International 9, KLA 7, AeroVironment 5, Freeform 5, Global Infrastructure 5; 146 more at 84 other employers.
Who is hiring these 187 roles, counted from the open listings. Not shown: 146 more at 84 other employers.

How many mechanical engineering internships in California are open right now?

187 open mechanical engineering internships, co-ops and research roles in California as of November 11, 2026, from 89 employers.

Which employers are hiring mechanical engineering interns in California?

The employers with the most open mechanical engineering roles in California are Astranis, Edison International, KLA, AeroVironment and Freeform, of 89 employers hiring.

Do mechanical engineering internships in California pay?

103 of the 187 open roles (55%) list pay or say they are paid. Listed hourly rates run from $18 to $57 an hour.

Where are mechanical engineering internships in California?

The open roles are in San Francisco (25), San Jose (14), Milpitas (13), Los Angeles (10), El Segundo (9) and 69 more places. 2 roles can be done remotely.

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Updated November 11, 2026. Listings are collected from public job boards several times a day; always check the posting on the employer's site before applying.