• Pump Laborer

    Essel (Castaic, CA)
    Join Essel as a Pump Laborer ! At Essel, we are committed to delivering operational excellence in environmental services. We are currently seeking a Pump ... including but not limited to groundwater extraction and dewatering pumps. + Monitor pump performance and troubleshoot issues as they arise. + Assist with the… more
    Essel (09/08/25)
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  • Sales Engineer/Estimator

    Essel (Downey, CA)
    …with customers and meticulously estimating the diverse range of materials, labor , components, and outside services essential to craft comprehensive quotes that ... Time and Materials, Fixed Fee/Cost Reimbursable, and adeptness in discerning labor , material, and time necessities through proposal, blueprint, and specification… more
    Essel (09/08/25)
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  • Commercial HVAC Service Technician

    EMCOR Group (Los Angeles, CA)
    …Duties and Responsibilities** + Knowledge of chiller systems, refrigeration, heat pump , and HVAC equipment + Responsible for installing, inspecting, maintaining, and ... CBA/rate sheet and test results. Benefits are provided through local labor union aligned with collective bargaining agreement._** **Notice to prospective… more
    EMCOR Group (10/14/25)
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  • Geohazard Technician - Advance Your Career…

    GeoStabilization International (Los Angeles, CA)
    …experience + Heavy equipment operation experience (skid steer, excavator, concrete/grout pump , etc.) + Equipment cleanup and maintenance. + Experience with casing, ... rock drilling or similar. + At least one year of traveling construction labor experience. + At least one year of working outside in all conditions. + Ability to… more
    GeoStabilization International (08/08/25)
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  • Refining Engineer 1 - Mechanical Engineer - Intern…

    Marathon Petroleum Corporation (Wilmington, CA)
    …for example, the installation of new vessels and exchangers, and pump and piping modifications. Reliability Engineer: Reliability engineers support the Refinery's ... maintenance department through design and development of equipment reliability improvements, root cause failure analysis, and optimization of maintenance predictive and preventive programs. Reliability Engineers will continuously be challenged with finding new… more
    Marathon Petroleum Corporation (09/16/25)
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