Intern Insider
    Job BoardResume BuilderFeaturesBlogUniversities
    Sign InStart for free
    Job BoardResume BuilderFeaturesBlogUniversities
    Home/Internships/Locations/Ontario

    Internships by location

    Internships in Ontario

    47 open internships in Ontario from 34 companies, updated continuously. Browse the roles by employer below — you can read the full posting free, then apply in minutes with a free account.
    47 open roles · 34 companies · 7 added this week
    Share on XLinkedIn

    🇺🇸 United States4 roles

    Anthropic logoAnthropic3 open

    • Anthropic Fellows Program, AI SafetyCalifornia
    • Anthropic Fellows Program, AI SecurityCalifornia
    • Anthropic Fellows Program, The Anthropic Institute (Economics & Policy)California

    DataRobot logoDataRobot1 open

    • Agentic AI InternBoston, Massachusetts

    🇨🇦 Canada43 roles

    Eclipse Automation logoEclipse Automation6 open

    • Mechanical Design Co-opOntario
    • Mechanical Engineering Support CoopOntario
    • Software Design Co-op (Nuclear)Ontario
    • Health Safety and Environment Co-opOntario
    • Controls Software Design Co-opOntario
    • Logistics Coordinator Co-opOntario

    National Research Council Canada / Conseil national de recherches Canada logoNational Research Council Canada / Conseil national de recherches Canada3 open

    • Student Employment ProgramOntario
    • Indigenous Student Employment ProgramOntario
    • Persons with Disabilities Internship (Inventory)Ontario

    DULCEDO Management logoDULCEDO Management2 open

    • Account Manager Assistant InternshipOntario
    • Talent Agent Assistant InternshipOntario

    MNP logoMNP2 open

    • Co-op AccountantOntario
    • Co-op, International Tax/Cross BorderOntario

    Multimatic logoMultimatic2 open

    • Assembly Support Co-opOntario
    • E-Coat Co-opOntario

    Telesat logoTelesat2 open

    • Lightspeed Network Engineering Co-op StudentOntario
    • Accounts Payable Administrator InternOntario

    Adaptyv logoAdaptyv1 open

    • Intern, Protein DesignOntario

    Block logoBlock1 open

    • Applied Research Intern, Proactive Intelligence & Customer World Models (PhD / Graduate Co-op)Ontario

    CELSIUS logoCELSIUS1 open

    • Student Marketing AmbassadorOntario

    GHD logoGHD1 open

    • Laboratory Technician Co-opOntarioNew

    GrandBridge Energy Inc. logoGrandBridge Energy Inc.1 open

    • Customer Service Co-opOntario

    KION Group logoKION Group1 open

    • Instructional Designer Co-opOntario

    Magnet Forensics logoMagnet Forensics1 open

    • Security Analyst Co-op (Fall 2026)Ontario

    Medavie logoMedavie1 open

    • Student - AutomationNew BrunswickNew

    Modern Niagara logoModern Niagara1 open

    • Project Coordinator COOP Fall 2026 - 8-12 Month TermOntarioNew

    Motorola Solutions logoMotorola Solutions1 open

    • Data Analyst Co-OpOntario

    Nexans logoNexans1 open

    • Marketing Innovation InternOntario

    NexGold Mining Corp. logoNexGold Mining Corp.1 open

    • Environmental Technician Co-op StudentOntario

    Region of Waterloo logoRegion of Waterloo1 open

    • Student, Library PageOntarioNew

    Revvity logoRevvity1 open

    • Full-Stack AI Developer InternOntario

    Rocket logoRocket1 open

    • Product Design Intern - Fall 2026Ontario

    Rockwell Automation logoRockwell Automation1 open

    • Intern, Firmware EngineeringOntario

    Samuel, Son & Co. logoSamuel, Son & Co.1 open

    • Student Co-op, Supply ChainOntarioNew

    StackAdapt logoStackAdapt1 open

    • Software Engineer Intern - Fall 2026Ontario

    Stantec logoStantec1 open

    • Civil Engineering Co-op StudentOntario

    Teach For All logoTeach For All1 open

    • Global Learning Lead, Fellowship ProgramsOntario

    TechInsights logoTechInsights1 open

    • Research Scientist - Semiconductor Process Chemistry - Co-op Student Fall 2026Ontario

    Teledyne FLIR logoTeledyne FLIR1 open

    • Process Engineering CoopOntario

    TG Kentucky, LLC logoTG Kentucky, LLC1 open

    • Production Team Member Student - Production ControlOntario

    University of Guelph logoUniversity of Guelph1 open

    • Director Student Athlete Experience and High Performance SportOntario

    VINCI Construction logoVINCI Construction1 open

    • Heavy Civil InternOntario

    Yaqeen Institute logoYaqeen Institute1 open

    • Canada Summer Jobs - Regional Development AnalystOntario

    Related searches

    Data Science & Analytics internshipsBusiness Administration internshipsAutomation Machinery Manufacturing internshipsFall 2026 internshipsData Science & Analytics internships in OntarioNew this weekRemote internships

    Why students use Intern Insider

    We surface fresh internships early, then hand you the tools to actually land them — so you spend less time hunting and more time interviewing.

    • Postings days before LinkedIn
    • AI resume + cover letter tools
    • Apply from one place
    Create a free account

    Land internships at top companies

    140,000+ students have launched their careers with Intern Insider.

    Time Saver
    “I didn't realize how much time I was wasting until I tried Intern Insider. Instead of scrolling for hours, I just apply directly through the platform.”
    Jemma V., Private Wealth Intern

    Jemma V.

    Private Wealth Intern

    BMO
    Time Saver
    “Intern insider has changed the way I apply to jobs. It saves me so much time with applications and curating different resumes for different positions.”
    Samantha C., Mechanical Engineering Student

    Samantha C.

    Mechanical Engineering Student

    University of Waterloo

    For students

    Looking for an internship right now?

    We watch the career pages of 200,000+ companies and post new internships the moment they go live. Set your preferences once and get matched with roles that fit.

    Start for free

    For universities

    Supporting students at scale?

    We work with co-op and career teams across Canada and United States on job development and employer outreach. Happy to show you how it works.

    See how we partner with schools
    Intern Insider

    We land you internships.

    Browse internships

    • Internships by location
    • Internships by role
    • Internships by industry
    • Internships by field of study
    • Internships by term
    • Remote internships
    • Browse companies

    Products

    • Job board
    • Internship collections
    • Newsletter
    • University partnerships

    Resources

    • Blog
    • Internship guides
    • Privacy policy
    • Terms

    Company

    • About
    • Contact
    • Careers

    © 2026 Intern Insider Technologies Inc. All rights reserved.