• Rotating Equipment Reliability Engineer

    Marathon Petroleum Corporation (Carson, CA)
    …Rotating Equipment Reliability Engineer Job Summary The Marathon Los Angeles Refinery , located in Carson/Wilmington CA, is seeking a Rotating Equipment Reliability ... equipment Preventative Maintenance (PM) plans to ensure compliance with Refinery Standard Practices and reliability initiatives. + Perform equipment condition… more
    Marathon Petroleum Corporation (12/23/25)
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  • Senior Process Safety Engineer

    Valero (Wilmington, CA)
    …are complete and well documented. Ensures the effects of changes made to the refinery on the RMP Hazard Assessment are evaluated. * Participates in site risk ... Engineering required. * Five years of engineering experience in a refinery /petrochemical environment required. * Process Engineering and Process Safety experience in… more
    Valero (11/15/25)
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  • Senior Environmental Engineer

    Valero (Wilmington, CA)
    …knowledge of existing and proposed regulations and provides technical support to refinery on topics related to environmental compliance. * Ensures federal, state or ... in on-call duty rotation with the department, knowledge of refinery units preferred. * Ensures assigned Spill/Upset/Emission Event/Reporting requirements are… more
    Valero (11/30/25)
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  • Mechanical Maintenance Supervisor

    ASR Group/Domino Sugar (Crockett, CA)
    …coordinating, planning, scheduling and performance of major repair work in the refinery . The Supervisor is also responsible for maintaining the technical expertise ... equipment. The sustainability and reliability of all of the refinery machinery and systems assures that the refinery... refinery machinery and systems assures that the refinery can meet business demands. DETAILED ROLES & RESPONSIBILITIES… more
    ASR Group/Domino Sugar (12/19/25)
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  • Intern/Co-op - Information Technology (Summer…

    Marathon Petroleum Corporation (Martinez, CA)
    …personal and professional growth. Location: Findlay, Ohio Additional locations: Anacortes WA Refinery , Galveston Bay Refinery , Garyville LA Refinery , ... Martinez CA Refinery , San Antonio, Texas Job Requisition ID: 00018342 Location Address: 539 S Main St Education: Employee Group: Full time Employee Subgroup: Intern Marathon Petroleum Company LP is an Equal Opportunity Employer and gives consideration for… more
    Marathon Petroleum Corporation (11/07/25)
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  • Millwright

    ASR Group/Domino Sugar (Crockett, CA)
    …& RESPONSIBILITIES + Responsible for providing maintenance services through the refinery . + Performs mechanical troubleshooting and repairs. + Perform routine and ... Perform cleaning and lubrication on mechanical equipment. + Work with other refinery maintenance and operations personnel to handle normal everyday problems. + Will… more
    ASR Group/Domino Sugar (01/07/26)
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  • Intern/Co-op - Human Resources (Summer 2026)

    Marathon Petroleum Corporation (Los Angeles, CA)
    …Hourly Grade: HRLY1 Location Address: 539 S Main St Additional locations: Galveston Bay Refinery , Garyville LA Refinery , Los Angeles CA Refinery , San Antonio ... TX Education: Employee Group: Full time Employee Subgroup: Intern Marathon Petroleum Company LP is an Equal Opportunity Employer and gives consideration for employment to qualified applicants without discrimination on the basis of race, color, religion, creed,… more
    Marathon Petroleum Corporation (11/27/25)
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  • Safety Professional - Industrial Hygienist

    Marathon Petroleum Corporation (Martinez, CA)
    …person for an operations area team on all safety issues. + Support the refinery emergency response efforts as part of the Incident Command structure. + Provide ... Word, Excel and Outlook. + Must be able to wear appropriate PPE in the refinery (respirator), be able to physically perform all tasks in the field and take hair… more
    Marathon Petroleum Corporation (12/31/25)
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  • Electrical Technician (Instrumentation)

    ASR Group/Domino Sugar (Crockett, CA)
    …The Electrical Technician will perform routine electrical troubleshooting of refinery equipment and installation/restoration of electrical controls. The Electrical ... & Responsibilities: + Maintain, repair, and calibrate all instruments throughout the refinery such as but not limited to flow meters, burners, transmitters, levels,… more
    ASR Group/Domino Sugar (12/24/25)
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  • Policy Advisor

    California Energy Commission (Sacramento, CA)
    …including combined heat and power applications. The incumbent will evaluate petroleum refinery power generation and use in relation to refinery operations ... and also evaluate associated impacts to the refineries to support the development and evaluation of regulatory and policy tools recommended by the Vice Chair, including but not limited to evaluation of refining margins, minimum inventory requirements,… more
    California Energy Commission (12/18/25)
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