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Process Design Engineer III/Senior Process Design Engineer

Marathon Petroleum Corporation

Robinson, IL · HybridFull-time$123–212K/yrSeen todaySeen in employer's feed today

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At a glance

Compensation
$123–212K/yr
Location
Robinson, ILHybrid
Schedule
Full-time
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

Bachelor's degreeValid Driver's License

Job overview

Marathon Petroleum’s Illinois Refining Division seeks a Process Design Engineer III/Senior Process Design Engineer to support refinery process optimization and project development. The role identifies opportunities to improve throughput, yields, reliability, and energy or water use; develops process designs and analyses; and supports projects through execution. It reports to the Process Optimization & Growth Manager. Relocation is approved, and the position offers in-office, hybrid, or 9/80 schedule options.

Skills & qualifications

RequiredNice to have

Skills

Microsoft OfficeExcelProcess ModelingKG TowerProcess DesignProcess SimulationEquipment SizingHydraulic AnalysisEconomic AnalysisProject Rate of ReturnHAZOPLOPAField Work

Qualifications

Bachelor's in Chemical Engineering4 Years Process Engineering ExperienceValid Driver's LicenseLegally Authorized to Work in US Without Sponsorship6 Years Process Engineering Experience2 Years Project or Process Design Experience

Benefits

401(k) Match
Parental Leave
Tuition Assistance
Medical Insurance
Vision Insurance
Dental Insurance
Paid Time Off

Full job description

Robinson, Illinois

Full time

00025113

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

  • Must be able to wear appropriate PPE in the refinery and be able to physically perform all tasks in the field

Preferred Qualifications:

  • Six (6) years of process engineering experience

  • Two (2) years of project or process design experience

SKILLS

  • Microsoft Office suite including Excel

  • Petrosim or similar process modelling such as MySep

  • KG Tower

PAY AND BENEFITS

  • Retirement: 401k with a company match up to 7%

  • Pension: Company funded pension plan up to 11%

  • Annual Bonus: Eligible for a company sponsored annual bonus

  • Paid Parental Leave

  • Educational Reimbursement

  • For full benefits details visit mympcbenefits.com

SCHEDULE REQUIREMENTS

Options:

  1. 𝗙𝘂𝗹𝗹 𝗜𝗻-𝗢𝗳𝗳𝗶𝗰𝗲: 5 days in the office per week, 8 hours per day. 2. 𝗛𝘆𝗯𝗿𝗶𝗱: 4 days in the office, 1 day work-from-home per week, 8 hours per day. 3. 𝟵/𝟴𝟬 𝗦𝗰𝗵𝗲𝗱𝘂𝗹𝗲: 9 hours Monday-Thursday in the office, with every other Friday off. On working Fridays, the schedule is 8 hours.

Additional hours as needed for turnaround and outage support

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

Location:

Robinson, Illinois

Job Requisition ID:

00025113

Pay Min/Max:

$122,900.00 - $212,000.00 Salary

Grade:

12 - 13

Location Address:

400 S Marathon Ave

Additional locations:

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 (https://marathonpetroleum.brandextract.com/staged/marathonpetroleum.com/content/documents/Jobs\_/Department\_of\_Labor\_EEOC\_.pdf) . If you need a reasonable accommodation for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at [email protected] . 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 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.

About Marathon Petroleum Corporation

Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream energy company headquartered in Findlay, Ohio. The company operates the nation's largest refining system. MPC's marketing system includes branded locations across the United States, including Marathon brand retail outlets. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure.

How this job compares

Set against the 3,287 open Process Engineer jobs on Olive Jobs, counted November 4, 2026.

Pay
  • This posting$123–212K/yr
  • Illinois median$94–126K/yr66 salary ranges
  • US median$96–143K/yr1,677 salary ranges

This range's midpoint, $167K, is 49% above the Illinois median midpoint ($113K) — in the top quarter of Process Engineer salary ranges in Illinois.

Openings
Olive Jobs lists 80 open Process Engineer jobs in Illinois and 3,287 across the US. 2% of them nationwide are listed as remote or flexible.
Hiring the most in Illinois
Experience
This posting asks for at least 4 years of experience; Process Engineer postings that state a minimum ask for 4 years at the median (2,617 postings).
Education
This posting asks for a bachelor's degree; 2,114 of the 3,287 open Process Engineer jobs (64%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 4, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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