• Principal Water - Wastewater

    AECOM (Los Angeles, CA)
    …AECOM's ** Water Business Line** is seeking a highly motivated and experienced ** Principal Water / Wastewater Engineer ** with a passion for ... water and wastewater conveyance, treatment plant design, and infrastructure resiliency. This...of education and experience, with emphasis in water / wastewater or related fields. + Registered Professional Engineer more
    AECOM (10/22/25)
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  • Principal Engineer

    Carollo Engineers (Los Angeles, CA)
    …of water and wastewater facilities. We are seeking a Principal Engineer to provide design management, project management, and client service supportto ... team, you will work on projects related to municipal water and wastewater treatment plants, including but...QA/QC + Supervises team of several subordinates of project engineer or senior project engineer level with… more
    Carollo Engineers (08/19/25)
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