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    Fall 2026 Mechanical Engineering internships in California

    As of November 11, 2026, Intern Insider listed 13 open Fall 2026 mechanical engineering internships in California, from 12 companies. Employers include Peak Energy, Astra and Austin Industrial, Inc.. None of these listings is marked remote. Browse the roles by employer below. You can read the full posting free, then apply in minutes with a free account.
    13 open roles · 12 companies
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    Peak Energy logoPeak Energy2 open

    Astra logoAstra1 open

    Austin Industrial, Inc. logoAustin Industrial, Inc.1 open

    DoorDash logoDoorDash1 open

    Eight Sleep logoEight Sleep1 open

    Estes Energy logoEstes Energy1 open

    Etched logoEtched1 open

    GrayMatter Robotics logoGrayMatter Robotics1 open

    Mill logoMill1 open

    MKS Inc. logoMKS Inc.1 open

    Qnity logoQnity1 open

    Toyota Research Institute logoToyota Research Institute1 open

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    As of November 11, 2026, Intern Insider listed 13 open Fall 2026 mechanical engineering internships in California, from 12 companies.

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