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    Product Development Engineer

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    RTP Company

    Global Compounder of Custom Engineered Thermoplastics

    1,001-5,000 employeesFounded 1982Winona, MNPlastics Manufacturing
    NewApply by Sep 3Actively hiringPaidSummer 2027Plastics Manufacturing
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    About the role#

    RTP Company is hiring a Product Development Engineer intern for the summer of 2027. You will work alongside our R&D engineering team to support various development projects. This is a full-time, on-site position based in Winona, Minnesota. Local interns may have the option to continue working part-time during the 2027-2028 school year.

    What you'll do#

    • Support product development efforts for thermoplastic compounding and injection molding.
    • Conduct mechanical and physical property testing.
    • Analyze data to recommend process improvements.
    • Maintain compliance with company policies, procedures, and work standards.

    What you'll need#

    • You have completed your 2nd or 3rd year of higher education. We prefer majors in Chemical Engineering, Plastics or Polymer Engineering, Materials Science, or Composite Materials Engineering.
    • You are detail oriented and can follow written procedures.
    • You are willing to learn our specific business, processes, and quality assurance techniques.
    • You can read, write, and speak English.
    • You are a self-starter who works well independently or as part of a team.

    Location & details#

    • Location: Winona, MN, USA.
    • Term: Summer 2027.
    • Work Modality: On-site.
    • This is a paid, full-time internship.
    Relevant fieldsChemical Engineering

    About RTP Company

    RTP Company is a global manufacturer of custom engineered thermoplastics. Founded in 1982, the business operates over 20 manufacturing plants across the United States, Mexico, Europe, Singapore, and China. Its engineers create thermoplastic compounds using more than 60 different resin systems. These materials serve applications requiring specific properties like flame retardancy, high temperature resistance, or structural integrity. The company is based in Winona, Minnesota.

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