• Intern Engineering Designer

    TYLin (Bellevue, WA)
    …an intern to join our Bellevue office for the Summer of 2026. As a Water Engineering Designer intern , you will assist engineers and engineering ... with the preparation of feasibility studies, functional plans, and preliminary detailed design for water and wastewater infrastructure projects + Assist with… more
    TYLin (01/07/26)
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  • Process Engineering Intern

    Carollo Engineers (Seattle, WA)
    …recognized environmental engineering firm that specializes in the planning, design , and construction of water and wastewater facilities. We are ... seeking a Process Engineering - Intern -Wastewater for our Seattle office. As part...physical, chemical, and biological treatment processes and treatment plant design . **Preferred Qualifications** + Apply engineering principles… more
    Carollo Engineers (10/18/25)
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  • Design Intern

    AECOM (Seattle, WA)
    …purpose to deliver a better world. Join us. **Job Description** **AECOM** is seeking a ** Design ** Intern to be based in the Seattle, WA office. This position is ... commute, keeping the lights on, providing access to clean water , or transforming skylines, our work helps people and...solutions throughout the project lifecycle - from advisory, planning, design and engineering to program and construction… more
    AECOM (01/06/26)
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  • Environmental Services Intern - Summer

    Stantec (Seattle, WA)
    …storm water documentation. - Assist in the preparation of design concept plans, permit packages, work plans, tables, figures, hydraulic calculations, erosion ... and rewarding experience. Your Capabilities and Credentials - Understanding of water and environmental related principles and engineering concepts, including… more
    Stantec (12/06/25)
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  • Infrastructure Intern

    Carollo Engineers (Seattle, WA)
    …recognized environmental engineering firm that specializes in the planning, design , and construction of water and wastewater facilities. Our infrastructure ... help us reach that goal. We are seeking an engineering intern to support Carollo's vision. As...prefers in-person collaboration on their projects. **Responsibilities** + Performing engineering work in water and wastewater pump… more
    Carollo Engineers (10/24/25)
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  • Mechanical Engineer Intern

    McKinstry (Seattle, WA)
    …several of our different office locations and are currently seeking a **Mechanical Engineer Intern ** to join our Engineering team in Seattle, WA. Our teams focus ... **Mechanical Engineer Intern ** Location **WA - Seattle** Job Family **...equity crises through: + renewables and energy services + engineering and design + construction and facility… more
    McKinstry (12/24/25)
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  • Engineering Internship - Summer

    RH2 Engineering (Bothell, WA)
    …for municipal clients. Your work will contribute and support RH2's planning, design , and construction administration of municipal drinking water and wastewater ... stations, storage reservoirs, and treatment plants. Also, as an Intern you'll train in AutoCAD and Civil 3D. Qualifications:...status in school + Interest in learning and applying engineering knowledge in the areas of Water ,… more
    RH2 Engineering (01/07/26)
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