• Wastewater Treatment Process Engineer

    Parsons Corporation (Pasadena, CA)
    treatment processes, membrane bioreactors (MBR), reverse osmosis desalination and brackish water treatment , UV, Ozone and other advanced water and ... the best treatment approach to solve a client's challenges and design treatment systems and plant improvements. + Planning and executing projects, including… more
    Parsons Corporation (09/16/25)
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  • Client Service Manager

    Carollo Engineers (Los Angeles, CA)
    water and wastewater treatment plants, including but not limited to major treatment plant expansions, regional water quality studies, and critical ... years professional experience (exclusive of any advanced degree) + Experience delivering water and wastewater treatment , reuse, wastewater collection systems, … more
    Carollo Engineers (07/21/25)
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  • Senior Structural Engineer

    Carollo Engineers (Walnut Creek, CA)
    water and wastewater treatment plants, including but not limited to major treatment plant expansions, regional water quality studies, and critical ... application of building codes and code-referenced standards for design of water treatment and industrial structures in concrete, steel, and reinforced masonry +… more
    Carollo Engineers (09/19/25)
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  • Process Piping Designer

    Insight Global (San Diego, CA)
    water and wastewater treatment plants, including but not limited to major treatment plant expansions, regional water quality studies, and critical ... that specializes in the planning, design, and construction of water and wastewater facilities is looking to bring on... reuse projects that will create sustainable and resilient water supplies for the world. This person will be… more
    Insight Global (10/10/25)
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  • Stationary Engineer Controls Specialist

    The County of Los Angeles (Los Angeles, CA)
    …of pumps and valves, steam traps, water treatment systems, water heaters and other heating plant auxiliary equipment. Operates, maintains, repairs and ... is the County's trusted partner and provider of choice. The Opportunity: The Power Plant Section is seeking an exceptional individual to join our team operating and… more
    The County of Los Angeles (09/03/25)
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  • Wastewater Operator OIT U511

    American Water (Pacific Grove, CA)
    …Yourself. Feel Valued.* People are the heart of our business. As an American Water employee, you will be offered a competitive salary and health benefits package, ... are stronger because we embrace different ideas, viewpoints, experiences, and backgrounds. American Water is the best choice for your next role! Click here for more… more
    American Water (08/28/25)
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  • Stationary Engineer - Multiple Departments…

    City and County of San Francisco (San Francisco, CA)
    water analysis and regulates treatment chemical dosages to maintain water quality in filtration plant , distribution system, or other large complex ... variety of pumping, heating, ventilating, air conditioning, refrigeration and auxiliary plant machinery and equipment in a large complex or multi-faceted facility.… more
    City and County of San Francisco (07/16/25)
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  • Stationary Engineer

    Grifols Shared Services North America, Inc (Los Angeles, CA)
    …and related systems such as water pre- treatment , pure water , water for injection, waste water , plant vacuum, and all distribution sub-systems. + ... systems such as water pretreatment, pure water , waste water , water for injection, plant vacuum and all media transmission sub-systems. **_Essential… more
    Grifols Shared Services North America, Inc (10/03/25)
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  • Wastewater Operator III

    Veolia North America (Palm Springs, CA)
    …license and a clean driving record. + A valid California Wastewater Treatment Plant Operator's Grade III certification. **Physical Requirements:** + Must ... waste and pollution treatment leader. It offers a full spectrum of water , waste, and energy management services, including water and wastewater treatment more
    Veolia North America (10/02/25)
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  • PLC SCADA Technician - El Segundo

    Jacobs (Los Angeles, CA)
    …PLC troubleshooting skills. Principal Areas of Responsibility * Knowledge of wastewater treatment and/or water treatment , engineering, principles and methods ... treatment processes and associated equipment including conventional and advanced water and/or wastewater treatment , microfiltration, reverse osmosis, ozone,… more
    Jacobs (09/22/25)
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