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    Summer 2027 Computer Science internships in Illinois

    As of November 11, 2026, Intern Insider listed 254 open Summer 2027 computer science internships in Illinois, from 118 companies. Employers include Highmark Health, IBM and AbbVie. 254 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.
    254 open roles · showing the 60 most relevant · 39 companies · 35 added this week
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    PayPal logoPayPal6 open

    Encore logoEncore4 open

    Highmark Health logoHighmark Health4 open

    International logoInternational3 open

    Civil Design, Inc. logoCivil Design, Inc.2 open

    Fermilab logoFermilab2 open

    GCM Grosvenor logoGCM Grosvenor2 open

    Life Fitness / Hammer Strength logoLife Fitness / Hammer Strength2 open

    Motorola Solutions logoMotorola Solutions2 open

    Siemens logoSiemens2 open

    Vizient, Inc logoVizient, Inc2 open

    Zebra Technologies logoZebra Technologies2 open

    Accenture logoAccenture1 open

    Argonne National Laboratory logoArgonne National Laboratory1 open

    Barilla Group logoBarilla Group1 open

    Boeing logoBoeing1 open

    Compeer Financial logoCompeer Financial1 open

    DB E.C.O. North America logoDB E.C.O. North America1 open

    Echo Global Logistics logoEcho Global Logistics1 open

    Enova International logoEnova International1 open

    Federal Home Loan Bank of Chicago logoFederal Home Loan Bank of Chicago1 open

    Geneva Trading logoGeneva Trading1 open

    Group One Trading logoGroup One Trading1 open

    GTI Energy logoGTI Energy1 open

    IBM logoIBM1 open

    iManage logoiManage1 open

    IMC Trading logoIMC Trading1 open

    John Deere logoJohn Deere1 open

    Medline Industries, LP logoMedline Industries, LP1 open

    OTTO Engineering, Inc. logoOTTO Engineering, Inc.1 open

    Plexus Corp. logoPlexus Corp.1 open

    PwC logoPwC1 open

    Silkline logoSilkline1 open

    SPX Technologies logoSPX Technologies1 open

    TIAA logoTIAA1 open

    U.S. Department of Homeland Security logoU.S. Department of Homeland Security1 open

    Uline logoUline1 open

    WPS—A health solutions company logoWPS—A health solutions company1 open

    Zurn Elkay Water Solutions logoZurn Elkay Water Solutions1 open

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    As of November 11, 2026, Intern Insider listed 254 open Summer 2027 computer science internships in Illinois, from 118 companies.

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