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Process Design Engineer III/Senior Process Design Engineer

Marathon Petroleum Corporation
United Statesfull_timeVerifiedPosted 17 Apr 2026
💰 $212,000/yr($122,900/yr$212,000/yr)

About the role

An exciting career awaits you

At MPC, we’re committed to being a great place to work – one that welcomes new ideas, encourages diverse perspectives, develops our people, and fosters a collaborative team environment.

OVERVIEW 

Marathon Petroleum Company’s Illinois Refining Division in Robinson, IL is seeking a Process Design Engineer III/Senior Process Design Engineer. This position’s primary function is to contribute to refinery/organizational process optimization and project development. This includes identifying opportunities and developing projects to increase throughput, enhance yields, improve reliability, and optimize energy or water use in process units. This position reports to the Process Optimization & Growth Manager. 

 

Relocation is approved for this position.  

 

KEY RESPONSIBILITIES 

 

  • Contributes to refinery/organizational long-term strategy development and identifies opportunities to increase throughput, enhance yields, improve reliability and optimize energy and water use in process units.  

  • Develops process designs for new projects and unit modifications, including PFDs, P&IDs, and heat/material balances. 

  • Performs process simulations and calculations to support equipment sizing, hydraulic analysis, and energy optimization as well as lead economic analysis and establish project rate of return. 

  • Collaborates with project engineers, operations, and external vendors to ensure alignment of design with operational needs.  

  • Prepares process design packages and support HAZOPs, LOPA studies, and other safety reviews. 

  • Provides technical leadership during project execution, including design reviews, construction support, and commissioning. 

  • Stays current with industry standards and best practices to ensure high-quality, cost-effective designs. 

  • Serves as a mentor for less experienced engineers. 

 

EDUCATION AND EXPERIENCE 

 

Minimum (Required) Qualifications: 

  • Bachelor’s degree in chemical engineering 

  • Four (4) years of process engineering experience within refining or heavy industry 

  • Valid driver’s license  

  • Must be legally authorized to work in the US on a full-time indefinite basis without the need for employment visa sponsorship now or in the future 

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Company

Marathon Petroleum Corporation

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