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Marathon Refining Logistics Services LLC

Process Design Engineer

Salt Lake City, UT, United States

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Job details

Apply by: Nov 2, 2026
Posting language: English
Posted: Oct 30, 2026

Original job description

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.

POSITION SUMMARY

Marathon Petroleum Company LP has an opening for a Tech Services – Process Optimization Group – Process Design Engineer at its reﬁnery located in Salt Lake City, Utah. This position is part of an Engineering Technical Ladder with multiple levels. The successful candidate will be placed at a level commensurate with experience and qualifications.

We are seeking a motivated, team-oriented Process Design Engineer to provide technical support for the site and to support new project development and implementation. This includes identifying short- and long-term process changes to improve unit(s) profitability and optimize efficiency. This position will be based out of Marathon Petroleum’s Salt Lake City Refinery in Salt Lake City, UT.

RESPONSIBILITIES:

Contributes to refinery/organizational long-term strategy development and identifies opportunities to increase throughput, improve yields, increase reliability and optimize energy 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 mentor for less experienced engineers.

MINIMUM QUALIFICATIONS:

Bachelor’s degree (or above) in chemical engineering from an accredited institution.
Four (4) years or more of experience in process design within refining or heavy industry required.
Must be authorized to work in the US without the need for employment visa sponsorship now or in the future.

PREFERRED QUALIFICATIONS:

15 years of post-degree engineering experience in a refinery or chemical plant focused on process design work
Proficiencies: Process simulation (HYSIS, PetroSim, etc), technical writing, PSM knowledge, and a strong understanding of refinery economics and project justification

As an energy industry leader, our career opportunities fuel personal and professional growth.

Location:

Salt Lake City, Utah

Additional locations:

Job Requisition ID:

00025042

Location Address:

474 W 900 N

Education:

Employee Group:

Full time

Employee Subgroup:

Regular 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, sex, gender (including pregnancy, childbirth, breastfeeding or related medical conditions), sexual orientation, gender identity, gender expression, reproductive health decision-making, age, mental or physical disability, medical condition or AIDS/HIV status, ancestry, national origin, genetic information, military, veteran status, marital status, citizenship or any other status protected by applicable federal, state, or local laws. If you would like more information about your EEO rights as an applicant, click here.

If you need a reasonable accommodation for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at talentacquisition@marathonpetroleum.com. Please specify the reasonable accommodation you are requesting, along with the job posting number in which you may be interested. A Human Resources representative will review your request and contact you to discuss a reasonable accommodation. Marathon Petroleum offers a total rewards program which includes, but is not limited to, access to health, vision, and dental insurance, paid time off, 401k matching program, paid parental leave, and educational reimbursement. Detailed benefit information is available at https://mympcbenefits.com.The hired candidate will also be eligible for a discretionary company-sponsored annual bonus program.

Equal Opportunity Employer: Veteran / Disability

We will consider all qualified Applicants for employment, including those with arrest or conviction records, in a manner consistent with the requirements of applicable state and local laws. In reviewing criminal history in connection with a conditional offer of employment, Marathon will consider the key responsibilities of the role.

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More about this job

Skills

Design process
Technical support
Financial analysis
Leadership
Chemical engineering
Technical writing
PSM
Compensation and benefits

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