• Receiving Chemist I Intern Summer

    Clean Harbors (San Jose, CA)
    …and market leader in industrial hazardous waste management, parts-cleaning technology, and oil re-refining. We collect over 200 million gallons of used motor ... oil each year and we have the largest re-refinery capacity in North America allowing us to re-refine more than 150 million gallons each year. Every day, we help our… more
    Clean Harbors (12/01/25)
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  • Law Enforcement Technician

    The County of Los Angeles (Los Angeles, CA)
    …or unit, and completes reports to record monthly mileage usage, consumption of gas and oil , gas and oil quantities on hand and credit card usage. + Coordinates ... maintenance and repairs of facility vehicles and maintains vehicle maintenance and repair records. + Receives telephone and in-person requests for services, including 911 emergencies and fire calls, citizens' complaints and general inquiries; differentiates… more
    The County of Los Angeles (11/29/25)
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  • Retail Technician

    Clean Harbors (Compton, CA)
    …and disposal of damaged, discarded, or recalled products; recycling of light bulbs, oil , oil filters, engine fluids and other materials; and on-site cleanup ... activities. Clean Harbors will pay for your CDL B training. **Clean Harbors** is the leading provider of environmental, energy and industrial services throughout the United States, Canada, Mexico and Puerto Rico. Everywhere industry meets environment, Clean… more
    Clean Harbors (11/22/25)
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  • Building Engineer

    The Michaels Organization (San Diego, CA)
    …and equipment, including pumps (for brines, refrigerants, water, and fuel oil ), air compressors, gas distribution lines, water systems (filters, softeners, piping), ... electrical motors and engines, fuel oil systems, and sanitary sewer systems. This work includes all associated valves, appurtenances, lines, controls, and devices.*… more
    The Michaels Organization (11/21/25)
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  • Stationary Engineer - Plant Operations - Per Diem…

    University of Southern California (Arcadia, CA)
    …maintenance repairs and mechanical alterations to manual and automatic gas and oil -fired high-pressure steam or high temperature hot water boilers. + Performs any ... considerations. POSITION SUMMARY Operate and maintain stationary gas and oil -fired boilers and auxiliary equipment. Takes responsibility for the operation… more
    University of Southern California (11/19/25)
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  • Warehouse Coordinator

    Otis Elevator Company (Los Angeles, CA)
    …of ensuring equipment is up to date and operating properly. + Ensuring waste oil is properly contained, schedule pickups by waste oil vendor and proper ... disposal documentation is maintained in compliance with Otis and State regulations. + Prepare and submit required paperwork for State taxes due on hazardous waste shipments. + Arrange delivery of parts or equipment to jobsites. + Track and submit required… more
    Otis Elevator Company (11/15/25)
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  • Truck Care Cashier

    Love's Travel Stops & Country Stores (Ripon, CA)
    …toilets, sweeping/mopping floors, mirrors and doors, service trash cans, and wipe excess oil off counters, doors, windows + Ability to move, lift 25+ pounds. Ability ... the industry's safest trucking fleets. + Speedco and Love's Truck Care, the largest oil change and preventive maintenance and total truck care network. + Musket, a… more
    Love's Travel Stops & Country Stores (11/14/25)
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  • Refining Chemical Engineering Intern/Co-op Summer

    Marathon Petroleum Corporation (Wilmington, CA)
    …models for refinery engineers. The models are used to optimize crude oil purchasing, refinery production, blending and finished product scheduling, and optimization ... company that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure. more
    Marathon Petroleum Corporation (11/14/25)
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  • Instrumentation & Controls - Safety Specialist

    FST Technical Services (Madera, CA)
    …& Controls, or related field is a plus. + Significant practical experience in the oil and gas sector showing strong technical ability may be accepted instead of a ... process systems - ideally within Renewable Natural Gas, biogas, waste-to-energy, or oil & gas. + Proven experience with PLC/SCADA programming, electrical power… more
    FST Technical Services (11/14/25)
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  • Senior Business Development Engineer

    GeoStabilization International (Los Angeles, CA)
    …responsible for identifying, pursuing, and developing new project opportunities in the oil & gas space within GSI's core geotechnical markets. This position blends ... acumen with experience in deal-making and contract negotiation. + Experience with oil & gas geohazards Preferred Qualifications + Deep understanding of geotechnical… more
    GeoStabilization International (11/13/25)
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