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Marathon Petroleum · Denver, Colorado

# Process Optimization Engineer I - Midstream Natural Gas & NGL Services (Intern to Full-Time Conversion)

Denver, Colorado Full-time Early career $93,000.00 - $139,500.00 Operations 

Listed on Marathon Petroleum’s official careers site. Posted October 29, 2026. Check that it is still open and apply there.
[Apply on Marathon Petroleum’s careers site →](https://mpc.wd1.myworkdayjobs.com/MPCCareers/job/Denver-Colorado/Process-Optimization-Engineer-I---Midstream-Natural-Gas---NGL-Services--Intern-to-Full-Time-Conversion-_00024744)

[OpenNash Jobs](https://jobs.opennash.com/) / [Marathon Petroleum](https://jobs.opennash.com/companies/marathon-petroleum/) / Process Optimization Engineer I - Midstream Natural Gas & NGL Services (Intern to Full-Time Conversion)

## 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.

### RESPONSIBILITIES

Optimizes current operations to maximize profitability and reliability, taking a process unit-based approach. Receives guidance from Operations teams and Business Development to troubleshoot process related bottlenecks. Provides process support for day-to-day operations and troubleshoots process-related performance issues. Generates process KPI (Key Process Indicators) reports for facilities. Provides process support for PHAs (Process Hazard Analysis) and other process safety related initiatives.

### MINIMUM QUALIFICATIONS

Bachelor's degree in engineering required. Zero (0) to three (3) years of related experience required.

### Colorado Residents

In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information. External Field. As an energy industry leader, our career opportunities fuel personal and professional growth.

### Location

Denver, Colorado Job Requisition ID: 00024744 Pay Min/Max: $93,000.00 - $139,500.00 Salary Grade: 10 Location Address: 1515 Arapahoe St Twr1 Ste 1600 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. 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 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.

## At a glance
- Posted by the employer: Oct 29, 2026
- First seen by OpenNash: Nov 1, 2026
- Last checked: Nov 1, 2026
- Listed for: 3 days
- Location: Denver, Colorado
- Employment type: Full-time
- Pay: $93,000.00 - $139,500.00[Apply on Marathon Petroleum’s careers site →](https://mpc.wd1.myworkdayjobs.com/MPCCareers/job/Denver-Colorado/Process-Optimization-Engineer-I---Midstream-Natural-Gas---NGL-Services--Intern-to-Full-Time-Conversion-_00024744)

## Hiring at Marathon Petroleum
- Open jobs: 123
- New in the last 7 days: After two weekly collections
- Tracked since: Jul 10, 2026

[All Marathon Petroleum jobs](https://jobs.opennash.com/companies/marathon-petroleum/) · [Weekly hiring report](/reports/hiring/)

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