• Principal Process Engineer

    Valero (San Antonio, TX)
    **Description:** Valero is looking for a*Principal Process Engineer - Fractionation* to join the * Process Optimization & Support* team at the *Valero ... Headquarters*in*San Antonio, Texas*. The Principal Process Engineer - Fractionation serves as Fractionation Subject Matter Expert providing best in class support… more
    Valero (06/04/25)
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  • Refining Engineer 1 - Chemical…

    Marathon Petroleum Corporation (El Paso, TX)
    … 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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  • Intern/Co-op - Refining Mechanical Engineer

    Marathon Petroleum Corporation (El Paso, TX)
    …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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  • Staff Environmental Engineer

    Valero (San Antonio, TX)
    **Description:** Provide technical and regulatory assistance to refinery and corporate personnel on environmental issues related to refinery operations, project ... requirements and determines the impact of these requirements on refinery operations. Presents issues to refinery and...specific salary rate/range will be provided during the recruiting process and tends to be higher than what is… more
    Valero (07/04/25)
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  • Process Engineer , Senior

    Sulzer Pumps US Inc. (Houston, TX)
    …that enable a prosperous and more sustainable society.** POSITION: Sr. Process Engineer WORKSITE: 900 Threadneedle Street, Suite 700,Houston, Texas,77079, ... in Chemical Engineering. MINIMUM EXPERIENCE: Eight (8) years of experience as Chemical Engineer or Chemical Process Engineer ; Applications Technology … more
    Sulzer Pumps US Inc. (06/30/25)
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  • Sr. Environmental Engineer

    Valero (Port Arthur, TX)
    **Description:** Ensures the Refinery complies with the Environmental Protection Agency's rules and regulations. * Ensures the handling and disposal of hazardous ... accomplished within Environmental Protection Agency's rules and regulations. * Ensures Refinery compliance with the Resource Conservation and Recovery Act, National… more
    Valero (05/10/25)
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  • Refining Engineer 1 - Electrical…

    Marathon Petroleum Corporation (El Paso, TX)
    …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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  • Electrical Engineer

    Valero (Three Rivers, TX)
    **Description:** Provides support in the total planning and execution of refinery electrical capital and maintenance projects, provides electrical assistance to ... and develops Electrical System Reliability programs and procedures that ensure the Refinery is operating at maximum efficiency and reliability. * Provides technical… more
    Valero (05/21/25)
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  • Sr. Electrical Engineer

    Valero (Three Rivers, TX)
    …Maintenance Department to ensure maximum reliability and safety of the Refinery Electrical System. Provides electrical engineering assistance to Operations to ensure ... that the Refinery power generation and distribution system is operated at...including projects and contract electrical engineering. * Performs Project manager/ Engineer duties on capital projects that are primarily electrical… more
    Valero (05/21/25)
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  • Refining Engineer 1 - Mechanical…

    Marathon Petroleum Corporation (El Paso, TX)
    …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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