Materials Engineer Lab Intern

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    Charter Manufacturing

    1,001-5,000 employeesFounded 1936Mequon, WisconsinManufacturing
    Actively hiringPaidWinter 2027Summer 2027Manufacturing
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    Best applied by Sep 12

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    About the role#

    This is a year-round internship based in Saukville, Wisconsin. You will gain hands-on experience analyzing the microstructure and mechanical properties of steel. You will learn how manufacturing processes influence material performance and assist with technical service evaluations.

    What you'll do#

    • Operate and maintain TS lab metallographic equipment, including macro and microscopes.
    • Use automated analysis software, Rockwell, and Microhardness testing.
    • Document professional quality images for Technical Service Reports.
    • Summarize findings for the TS Lab Group using email and Microsoft Teams.
    • Lead the evaluation of Hercules and Niagara Lasalle accumulations claims.
    • Identify manufacturing defects related to casting, hot rolling, processing, and forming of steel components.
    • Gain knowledge of steel microstructures and the effects of manufacturing on raw steel.

    What you'll need#

    • Enrollment in a four-year degree program in Mechanical Engineering, Materials Science, or a related field.
    • Current status of at least a Sophomore level.
    • Cumulative GPA of 2.75 or higher.
    • Proficiency in Microsoft Excel, Word, and PowerPoint.
    • Strong verbal and written communication skills.
    • Ability to work well in a team and handle multiple tasks simultaneously.

    Location & details#

    • Location: Saukville, Wisconsin.
    • Modality: On-site.
    • Duration: Year-round, starting January 2027.
    • Schedule: Part-time (15-20 hours per week) during the academic year and full-time (40 hours per week) during the summer.
    • Compensation: This is a paid position. Sponsorship is not available.
    Relevant fieldsMechanical Engineering

    About Charter Manufacturing

    Charter Manufacturing is a family-owned group of metals manufacturing businesses. It operates several divisions including Charter Steel, Charter Dura-Bar, Charter Wire, and Charter Aarrowcast. The company was founded in 1936 and maintains its headquarters in Mequon, Wisconsin. It employs between 1,001 and 5,000 people.

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