• Construction Civil/Mechanical Inspector

    Parsons Corporation (Fountain Valley, CA)
    …region, primarily Orange County. SPECIFIC RESPONSIBILITIES: + Provide construction inspection for wastewater treatment plant and sanitary sewer collection ... Pasadena, CA. This is an onsite role to provide construction observation of wastewater pumping and treatment facilities and/or pipelines in the public… more
    Parsons Corporation (07/08/25)
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  • Water Operator II - San Marcos

    Jacobs (Irvine, CA)
    treatment certification * Familiarity of the principles and practices of water/ wastewater treatment plant operations, valves, pumps, and motors * Safe ... perform a variety of tasks in the operation of a water treatment plant including maintenance of equipment and quality control testing, report compilation,… more
    Jacobs (06/19/25)
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  • Assistant Resident Engineer - Electrical

    Jacobs (Irvine, CA)
    …support construction management teams for successful delivery of various, including complex, wastewater treatment plant construction projects. As an ... At Jacobs, we are not just passionate about infrastructure and water/ wastewater projects, we push the limits of what's possible to make the world smarter and more… more
    Jacobs (07/31/25)
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  • Regional Technical Specialist - California

    Jacobs (Los Angeles, CA)
    …#bia #challengeaccepted * Ten (10) years of experience in operation and maintenance of water/ wastewater treatment plant facilities; or 7 years of experience ... with a Bachelor's Degree. * Wastewater Operator License California Grade 5, or ability to...knowledge of methods to reduce operating costs of a treatment plant through efficiency in energy consumption,… more
    Jacobs (08/16/25)
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  • Senior Wastewater Reuse Engineer

    Carollo Engineers (San Diego, CA)
    …emphasis in hydraulics, physical, chemical, and biological treatment processes and treatment plant design for wastewater and reuse. Comprehensive ... in hydraulics, physical, chemical, and biological treatment processes and treatment plant design for water, wastewater , and/or reuse. + Experience in… more
    Carollo Engineers (08/15/25)
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  • Water/ Wastewater Engineer - Project…

    Stantec (San Diego, CA)
    …water, and/or wastewater infrastructure projects including alternatives analysis; treatment plant , pump station, and pipeline design; engineering services ... responsibilities include project delivery and design management for water and wastewater treatment and conveyance projects. We are looking for someone with… more
    Stantec (08/07/25)
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  • CAD Designer

    Dudek (CA)
    …variety of projects, including mechanical pump station design, water storage facilities, water/ wastewater treatment plant design and rehabilitation, and ... Qualifications + Knowledge of California Mechanical Code + Knowledge of water/ wastewater industry + Knowledge of the design/layout of electrical design plans… more
    Dudek (07/02/25)
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  • Refining Chemical Engineering Intern/Co-op Summer

    Marathon Petroleum Corporation (Wilmington, CA)
    …of refinery process units; work on various process engineering projects within a Wastewater Treatment Plant ; participate in inspections and/or testing that ... than one area of the refinery, leading to a broad understanding of how the plant operates. Finally, you will have the opportunity to expand your written and verbal… more
    Marathon Petroleum Corporation (08/15/25)
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  • Refining Engineer 1 - Chemical Engineer - Intern…

    Marathon Petroleum Corporation (Wilmington, CA)
    …of refinery process units; work on various process engineering projects within a Wastewater Treatment Plant ; participate in inspections and/or testing that ... Responsibilities: Process Engineers/Technical Service Engineers provide technical support for the plant operations. They will be assigned a specific unit or units… more
    Marathon Petroleum Corporation (06/11/25)
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  • Maintenance & Facilities Technician

    ITW (El Dorado Hills, CA)
    …+ Requires climbing of ladders. + Requires working above cleanroom enclosures. + Wastewater treatment plant + Office/cubicle environment for computer and ... opportunity employer, ITW is committed to equal employment opportunity and fair treatment for employees, beginning with the hiring process and continuing through all… more
    ITW (08/13/25)
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