Mechanical Engineering & Materials Science Co-Op

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    Fourth Power

    Energy Storage that Grows with the Grid

    2-10 employeesFounded 2021Cambridge , MARenewable Energy Power Generation
    Actively hiringPaidWinter 2027Renewable Energy Power Generation
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    Best applied by Oct 27

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    About the role#

    This is a full-time, paid co-op position for the Winter 2027 term. You will work alongside engineers and technicians to support the development of our high-temperature energy storage systems. This is a fixed-term program based in Massachusetts.

    What you'll do#

    • Contribute to the testing and optimization of key components in our energy storage system.
    • Design, build, and maintain mechanical test apparatus.
    • Set up instrumentation and data acquisition systems.
    • Run experiments and analyze the resulting data.
    • Document test procedures and findings.
    • Present your results to the engineering team.
    • Follow lab safety protocols in a high-temperature test environment.

    What you'll need#

    • Enrollment as an undergraduate (having completed sophomore year) or a master's student in mechanical engineering, materials science, or a related field.
    • Authorization to work in the United States.
    • Completed coursework in mechanics of materials, materials science, thermodynamics, and an instrumentation and measurement lab.
    • Basic CAD experience, such as SolidWorks.
    • Comfort working hands-on in a lab or shop environment.
    • Strong organizational skills and attention to detail.
    • Ability to work independently and communicate clearly.
    • Preferred experience includes coursework in heat transfer, use of LabVIEW or similar software, exposure to simulation tools like Ansys, and data analysis using Python, MATLAB, or Excel.

    Location & details#

    • This role is on-site at our facilities in Bedford and Middleton, Massachusetts.
    • Lab work may require standing for extended periods and lifting up to 40 lbs.
    • You will be expected to wear required personal protective equipment.

    About Fourth Power

    Fourth Power is a thermal battery energy storage company founded in 2021. Based in Cambridge, Massachusetts, the firm focuses on utility-scale thermal storage technology. It converts wind and solar energy into an on-demand resource using liquid metal and graphite components. The company operates with a team of 36 employees.

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