Process Design Engineer III/Senior Process Design Engineer

Marathon Petroleum Corporation•Robinson, IL

2d•Hybrid

About The Position

Marathon Petroleum Company’s Illinois Refining Division in Robinson, Illinois, is hiring a Process Design Engineer III/Senior Process Design Engineer. The position contributes to refinery and organizational process optimization and project development by identifying opportunities and developing projects to increase throughput, enhance yields, improve reliability, and optimize energy or water use in process units. The position reports to the Process Optimization & Growth Manager. Relocation is approved. The engineer develops process designs for new projects and unit modifications, performs simulations and calculations to support equipment sizing, hydraulic analysis, and energy optimization, and leads economic analysis to establish project rates of return. The role collaborates with project engineers, operations, and external vendors; prepares process design packages; supports safety reviews; and provides technical leadership through project execution, construction, and commissioning. The engineer also keeps current with industry standards and best practices and mentors less experienced engineers. The position is based in Robinson, Illinois. Schedule options include five in-office days per week; a hybrid schedule with four in-office days and one work-from-home day; or a 9/80 schedule. Additional hours may be needed for turnaround and outage support.

Requirements

Bachelor’s degree in chemical engineering.
At least four years of process engineering experience within refining or heavy industry.
Valid driver’s license.
Must be legally authorized to work in the United States on a full-time indefinite basis without requiring employment visa sponsorship now or in the future.
Must be able to wear appropriate PPE in the refinery and physically perform all tasks in the field.
Microsoft Office suite skills, including Excel.
Ability to work additional hours as needed for turnaround and outage support.

Nice To Haves

Six years of process engineering experience.
Two years of project or process design experience.
Experience with Petrosim or similar process modeling tools, such as MySep KG Tower.

Responsibilities

Contribute to refinery and organizational long-term strategy development.
Identify opportunities to increase throughput, enhance yields, improve reliability, and optimize energy and water use in process units.
Develop process designs for new projects and unit modifications, including PFDs, P&IDs, and heat/material balances.
Perform process simulations and calculations for equipment sizing, hydraulic analysis, and energy optimization.
Lead economic analysis and establish project rates of return.
Collaborate with project engineers, operations, and external vendors to align designs with operational needs.
Prepare process design packages and support HAZOPs, LOPA studies, and other safety reviews.
Provide technical leadership during project execution, including design reviews, construction support, and commissioning.
Stay current with industry standards and best practices to ensure high-quality, cost-effective designs.
Mentor less experienced engineers.