• Certified Engineer SRO

    PRIDE Industries (San Diego, CA)
    …lines and devices used to control temperature, and air conditioning systems in their entirety. 3. * Performs operation, maintenance, installation, replacement, ... liquids together with all valves, appurtenances and lines used in the system . 4. * Performs operation, maintenance, installation, replacement, and repair of air… more
    PRIDE Industries (11/11/25)
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  • Industrial Gases Technician

    SpaceX (Hawthorne, CA)
    …on Mars. INDUSTRIAL GASES TECHNICIAN RESPONSIBILITIES: + Provide ground system technician support, which involves installing, testing, troubleshooting, and ... on how to properly and safely operate pressurized test systems + Operate and maintain large, complicated facility gas...influence and execute a preventative maintenance plan, and ensure system changes are approved and documented + Make repairs… more
    SpaceX (11/11/25)
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  • Lead Engineer

    Veolia North America (San Francisco, CA)
    …assigned. This would include repair and maintenance and preventive maintenance on building systems and equipment included in the scope of work associated with the ... lines and devices used to control temperature, and air conditioning systems in their entirety. + Operation, maintenance, installation, replacement and repair… more
    Veolia North America (11/21/25)
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  • Senior Mechanical Engineer - Wastewater

    Parsons Corporation (Fountain Valley, CA)
    …in a lead capacity. + Expertise in wastewater treatment system design, including piping layouts, chemical storage systems , HVAC, and pumping systems . + ... + **Design Excellence:** + Develop detailed designs for mechanical piping systems , reclaimed water systems ,...for personnel. + **Technical Expertise:** + Conduct hydraulic calculations, system head curves, and pump and motor sizing. +… more
    Parsons Corporation (11/07/25)
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  • Senior Fluids Engineer

    Element Materials Technology (San Bernardino, CA)
    …position involves support and direction on assembly of cryogenic and high-pressure systems , hydrogen system prototype testing. Salary: $125,000 - $150,000 /yr ... cross-functional teams to integrate control systems for various cryogenic storage systems - Conduct system testing, validation, and troubleshooting to ensure… more
    Element Materials Technology (11/08/25)
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  • Fluids Engineer I

    Element Materials Technology (San Bernardino, CA)
    …position involves support and direction on assembly of cryogenic and high-pressure systems , hydrogen system prototype testing. Salary: $80,000 - $110,000/yr DOE ... cross-functional teams to integrate control systems for various cryogenic storage systems + Conduct system testing, validation, and troubleshooting to ensure… more
    Element Materials Technology (11/08/25)
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  • Mechanical Estimator - Water/Wastewater…

    Kiewit (Fairfield, CA)
    …the deliverables and construction requirements to develop estimates for Mechanical systems , Piping , Equipment, Pumps, Welding and related mechanical aspects ... years' experience in Mechanical Estimating for construction projects (Mechanical equipment/ systems , processing equipment, piping , pumps, HVAC, welding equipment,… more
    Kiewit (11/22/25)
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  • Senior Water/Wastewater Services Worker…

    Ventura County (Ventura, CA)
    …of pumps, control valves, instrumentation, reclaimed water treatment and distribution systems , sewer collection system cleaning, and other specialized areas. ... service lines, laterals, valves, air-vacs, fire hydrants and related equipment; performs system flushing and cleaning, installs new piping , valves and services.… more
    Ventura County (11/30/25)
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  • Mechanical Plumbing and Public Health Engineering…

    Arup (San Francisco, CA)
    …- site visits, submittal reviews + Assisting and performing calculations for design specific piping systems for a variety of projects **Is this role right for ... our clients, climate and communities. **The Opportunity** + Prepare drawings detailing the systems designed. System design calculations + System load… more
    Arup (09/05/25)
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  • Non Union One Man Plant

    ABM Industries (Irvine, CA)
    …. Maintain an energy management program which ensures measures are taken to operate all systems in the most efficient manner to keep operating costs to a minimum. . ... following functions and tasks: . Operation of: . HVAC Systems . Water Treatment Procedures . Electrical Equipment ....with all valves, appurtenances and lines used in the system . . Operate, maintain and repair air compressors, together… more
    ABM Industries (11/18/25)
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