• 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 Water / Wastewater

    Stantec (Pasadena, CA)
    …H2O+U. Your Opportunity Stantec's Water practice office is seeking a highly motivated Principal Water / Wastewater Engineer to join our successful ... client service management, project delivery, design management, and project management for water and wastewater treatment and conveyance projects. We are looking… more
    Stantec (08/07/25)
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  • Sr. Electrical Engineer - Water

    Parsons Corporation (Pasadena, CA)
    …talent and redefine what's possible. **Job Description:** **Senior/ Principal Electrical Engineer - Water / Wastewater ** **Location:** Pasadena, CA (Hybrid ... hour work-week Parsons is seeking a **Senior/ Principal Electrical Engineer ** to join our Water / Wastewater Design Engineering group based in Pasadena, CA.… more
    Parsons Corporation (09/13/25)
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  • Principal Process Engineer

    Parsons Corporation (Pasadena, CA)
    … - Wastewater Systems - Los Angeles, CA** **OPPORTUNITY** : The ** Wastewater Principal Process Engineer ** provides technical leadership and project ... water treatment, UV, Ozone and other advanced water and wastewater treatment processes.** + The senior project/process engineer is expected to be… more
    Parsons Corporation (08/10/25)
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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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