
Process Optimization Engineer I - Midstream Natural Gas & NGL Services (Intern to Full-Time Conversion)
Marathon Petroleum Corporation
Denver, COFull-time$93–140K/yrSeen 1w agoSeen in employer's feed 4 days ago
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At a glance
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Requirements
Credentials this posting asks for.
Job overview
The Process Optimization Engineer I supports midstream natural gas and NGL operations by optimizing process units for profitability and reliability. The role troubleshoots bottlenecks and performance issues with guidance from Operations and Business Development, provides day-to-day process support, generates facility KPI reports, and supports process hazard analyses and other process safety initiatives.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
Denver, Colorado
Full time
00024744
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:
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Optimizes current operations to maximize profitability and reliability, taking a process unit-based approach.
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Receives guidance from Operations teams and Business Development to troubleshoot process related bottlenecks.
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Provides process support for day-to-day operations and troubleshoots process-related performance issues.
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Generates process KPI (Key Process Indicators) reports for facilities.
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Provides process support for PHAs (Process Hazard Analysis) and other process safety related initiatives.
MINIMUM QUALIFICATIONS:
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Bachelor's degree in engineering required.
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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 (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 3,277 open Process Engineer jobs on Olive Jobs, counted November 10, 2026.
- Pay
- This posting$93–140K/yr
- Colorado median$99–140K/yr118 salary ranges
- US median$97–143K/yr1,690 salary ranges
This range's midpoint, $116K, is 4% below the Colorado median midpoint ($121K) — in the middle half of Process Engineer salary ranges in Colorado.
- Openings
- Olive Jobs lists 136 open Process Engineer jobs in Colorado and 3,277 across the US. 2% of them nationwide are listed as remote or flexible.
- Hiring the most in Colorado
- Agilent Technologies, Inc.37 open
- CEA Medical Manufacturing6 open
- Sargent & Lundy5 open
- Experience
- This posting asks for no prior experience — less than three in four Process Engineer postings that state a minimum ask for (median 4 years, across 2,599 postings).
- Education
- This posting asks for a bachelor's degree; 2,026 of the 3,277 open Process Engineer jobs (62%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 10, 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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