• Henkel (Rancho Dominguez, CA)
    Process Engineering Intern - Spring 2026 **_About_** **_this_** **_Position_** At Henkel, you'll be part of an organization that's shaping the future ... working in a chemical manufacturing environment + Drive Innovation and Process Optimization Initiatives aimed at improving quality and efficiency while reducing… more
    DirectEmployers Association (11/20/25)
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  • Intern /Co-op - Refining Electrical…

    Marathon Petroleum Corporation (Wilmington, CA)
    …practices, build critical thinking skills, and gain an understanding of how all engineering disciplines work together as a cohesive team. You will also gain ... with a team of professionals who run a specific portion of the refining process . Most often, Electrical Engineers will have an opportunity to work on more than… more
    Marathon Petroleum Corporation (11/24/25)
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  • Refining Chemical Engineering Intern

    Marathon Petroleum Corporation (Wilmington, CA)
    …include: develop and lead test runs to optimize refinery operations; perform process engineering calculations concerning the various process technology ... of refinery process units; work on various process engineering projects within a Wastewater Treatment...now or in the future. + Positions are available spring , summer, and fall semesters + Availability for multiple… more
    Marathon Petroleum Corporation (11/14/25)
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  • Intern /Co-op - Refining Mechanical…

    Marathon Petroleum Corporation (Wilmington, CA)
    …practices, build critical thinking skills, and gain an understanding of how all engineering disciplines work together as a cohesive team. You will also gain ... with a team of professionals who run a specific portion of the refining process . Most often, Mechanical Engineers will have an opportunity to work on more than… more
    Marathon Petroleum Corporation (11/24/25)
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