• Engineer

    ABM Industries (Irvine, CA)
    …for air control. . Operate, maintain and repair all natural and manufactured gas distribution lines, including all valves and control devices. . Operate, maintain ... and repair water filters softeners, piping and pumps used in conjunction with water distribution,...systems, including sump pumps, basins, water closets, urinals and piping . . Maintain and repair trash compactors, including electrical… more
    ABM Industries (11/08/25)
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  • Union One Man Plant

    ABM Industries (Brentwood, CA)
    …for air control. + Operate, maintain and repair all natural and manufactured gas distribution lines, including all valves and control devices. + Operate, maintain ... and repair water filters, softeners, piping and pumps used in conjunction with water distribution,...systems, including sump pumps, basins, water closets, urinals and piping . + Maintain and repair trash compactors, including electrical… more
    ABM Industries (11/07/25)
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  • Lead Engineer

    ABM Industries (San Diego, CA)
    …for air control. * Operate, maintain and repair all natural and manufactured gas distribution lines, including all valves and control devices. * Operate, maintain ... and repair water filters softeners, RO/DI systems, piping and pumps used in conjunction with water distribution, including all sinks, toilet bowls, supply lines,… more
    ABM Industries (10/15/25)
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  • Service Technician - Commercial HVAC

    EMCOR Group (Santa Barbara, CA)
    …charge. + Install piping systems to include but not limited to drain piping , p-traps, water lines, gas lines valves and actuators + Install coils, ... compressors, condensers, fans, motors, combustion equipment, and industrial air compressors. + Perform start up, testing and commissioning on RTU's, Air Handlers, VAV's, Fan Coil units, swamp coolers and other Commercial HVAC Equipment + Test lines,… more
    EMCOR Group (10/14/25)
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  • Mechanical Engineer - Healthcare - P2S

    Legence (Long Beach, CA)
    …or Long Beach office. If you're passionate about advanced HVAC design, medical gas systems, and leading impactful projects, we'd love to hear from you. Employment ... + Apply advanced engineering concepts to solve complex HVAC and medical gas design challenges + Perform detailed engineering and economic calculations and modeling… more
    Legence (11/28/25)
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  • Leak Detection Technician/Plumbing Specialist

    American Leak Detection, Inc (Thousand Oaks, CA)
    …vehicle for business use. Job Responsibilities * Perform leak detection work on underground piping systems, sewer systems, gas systems and pool and spa systems ... the world leader in the accurate, non-destructive detection of hidden water, sewer, gas and swimming pool leaks. American Leak Detection sets the standard for… more
    American Leak Detection, Inc (11/26/25)
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  • Mechanical Engineer - Transmission & Distribution…

    Burns & McDonnell (San Diego, CA)
    …for new projects, alterations and redevelopments on a variety of natural gas and renewable projects including pipelines, compressor, meter and pump stations and ... not limited to pipelines, M&R stations, compressor stations, and renewable natural gas projects. Design process components for project needs and requirements that… more
    Burns & McDonnell (11/17/25)
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  • Senior Environmental Scientist

    APTIM (Concord, CA)
    …and private sectors: + Environmental compliance for solid waste sites, + Landfill gas collection and control system (GCCS) design and operations and maintenance, + ... Preparing site and grading plans, GCCS design, pump and piping plans, and conceptual layouts for solid waste projects...field data including groundwater, surface water, leachate, and landfill gas + Ability to work on multidisciplinary projects +… more
    APTIM (11/17/25)
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  • Chemical Process Engineer -Tech Services

    Marathon Petroleum Corporation (Carson, CA)
    …of Change (MOC) development, hazard and operability reviews (HAZOPs) and piping and instrumentation diagram/drawing (P&ID) verification. + Work with refinery's ... more of experience as process engineer in Oil and Gas Refining. + ​Must be proficient in Microsoft: Word,...more of experience as process engineer in Oil and Gas Refining. + Experience with Aspen, HYSYS and PI… more
    Marathon Petroleum Corporation (11/15/25)
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  • HVAC Technician (Critical Infrastructure)

    SpaceX (Hawthorne, CA)
    …brazing, soldering, evacuation & charging of various refrigerants, water piping , insulation modifications and repairs. + Assemble, install, repair, and ... in HVAC, Mechanical, Plumbing, or Electrical Systems. + Knowledge of high-pressure gas , flammable gas , and refrigeration gases. + Professional experience… more
    SpaceX (11/06/25)
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