• Planning & Optimization Engineer

    Marathon Petroleum Corporation (Carson, CA)
    …local refinery plans. Education and Experience Planning & Optimization Engineer + Bachelor's degree in Engineering required, Chemical Engineering preferred. + ... develops our people, and fosters a collaborative team environment. Position Summary Refinery Value Chain Optimization (RVCO) is seeking a motivated employee with… more
    Marathon Petroleum Corporation (07/23/25)
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  • Refining Engineer 1 - Chemical…

    Marathon Petroleum Corporation (Wilmington, CA)
    … calculations for the Risk Management Plan, including taking physical surveys of refinery process units; work on various process engineering projects ... made based upon these economics. Duties may include the following: analyze refinery process flow data and compare to recommended optimum levels, this will help… more
    Marathon Petroleum Corporation (06/11/25)
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  • Project Engineer - Major Projects

    Marathon Petroleum Corporation (Carson, CA)
    …develops our people, and fosters a collaborative team environment. Project Engineer - Major Projects Job Summary Marathon Petroleum Corporation's (MPC) Los ... Angeles Refinery (LAR) located in Carson, CA has an opening for a Senior Level Project Engineer in the Major Project Group. This team will develop significant… more
    Marathon Petroleum Corporation (07/03/25)
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  • Senior Process Safety Engineer

    Valero (Wilmington, CA)
    …degree in Engineering required. * Five years of engineering experience in a refinery /petrochemical environment required. * Process Engineering and Process ... read and interpret engineering drawings (P&IDs, Equipment, isometric, etc.) preferred. * Refinery unit process understanding preferred. * Working knowledge of… more
    Valero (05/17/25)
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  • Intern/Co-op - Refining Mechanical Engineer

    Marathon Petroleum Corporation (Wilmington, CA)
    …our people, and fosters a collaborative team environment. Responsibilities: As a Mechanical Engineer at a Marathon refinery , you can expect to become familiar ... will also gain knowledge of various aspects of a refinery by working with a team of professionals who...professionals who run a specific portion of the refining process . Most often, Mechanical Engineers will have an opportunity… more
    Marathon Petroleum Corporation (07/23/25)
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  • Refining Engineer 1 - Electrical…

    Marathon Petroleum Corporation (Wilmington, CA)
    …real-time control and data acquisition functions in support of operating the refinery process and electrical equipment. Qualifications: + Required Major: ... well as learning and understanding about how our critical Refinery Safety Instrumented Systems (SIS) are applied. Process... Refinery Safety Instrumented Systems (SIS) are applied. Process Control / Technical Service Engineers can work on… more
    Marathon Petroleum Corporation (06/17/25)
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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 (06/03/25)
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  • Fixed Equipment Reliability Engineer

    Marathon Petroleum Corporation (Martinez, CA)
    …in US.) + ​Must have 7 years of experience as a Fixed Equipment Mechanical Engineer in a refinery , petro-chemical or other related heavy industry. + ​Must have ... and fosters a collaborative team environment. Fixed Equipment Reliability Engineer Job Summary The Marathon Martinez Renewable Fuels located...Must be able to wear appropriate PPE in the refinery and be able to physically perform all tasks… more
    Marathon Petroleum Corporation (07/24/25)
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  • Refining Engineer - Projects

    Marathon Petroleum Corporation (Martinez, CA)
    …develops our people, and fosters a collaborative team environment. Refining Engineer - Projects Job Summary: The Marathon Martinez Renewable Facility has ... an opening for a Project Refining Engineer . This challenging assignment as a Project ...the types of equipment that are typical to a refinery or petrochemical plant. This person reports to the… more
    Marathon Petroleum Corporation (07/09/25)
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  • Refining Engineer 1 - Mechanical…

    Marathon Petroleum Corporation (Wilmington, CA)
    …new vessels and exchangers, and pump and piping modifications. Reliability Engineer : Reliability engineers support the Refinery 's maintenance department through ... and be able to contribute in a team environment. Area Refining Engineer /Project Engineer : Refining/Project engineers are involved in the technical development… more
    Marathon Petroleum Corporation (06/17/25)
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