Marathon Petroleum Corporation · 2 days ago
Process Engineer
Texas City, Texas
Full-time
Onsite
New Grad, Entry, Mid Level
0+ years expMarathon Petroleum Corporation is seeking a Unit Process Engineer for their Galveston Bay Refinery in Texas City, TX. The role involves providing technical support for plant operations, monitoring and troubleshooting processes, optimizing operations, and leading capital projects within the refinery.
EnergyNatural ResourcesOil and Gas
No H1B
Responsibilities
Daily Process Monitoring – Communicate unit performance, optimization opportunities, and environmental performance. Assist troubleshooting efforts with unit upsets, product quality incidents, not meeting production plans, etc
Small to medium capital project process engineering support
Maintain current work lists with priorities
Key Performance Indicators (KPI) included as part of routine reporting (WABT curve, fouling, chemical and catalyst budgets, yields, etc.)
Manage catalyst performance and coordinate catalyst change timing
Support unit operation within environmental limits
Develop justification and work scope for TAR and routine maintenance – specifically catalyst changeout, exchanger cleaning, furnace pigging, etc
Support / review operations procedures for start-up and shutdown
Review / approve vendor chemical programs
Inspect vessel internals for proper installation / tolerances of components
Monitor / approve catalyst loading
Publish recommendation memos and turnaround reports
Evaluate need to request more samples for troubleshooting
Daily interaction / communication with Board Operators
Provide after-hours support when appropriate – emergency call out
Alarm rationalization participation
Understand controls logic and any Advanced Process Controls (APC)
Work with Area Team to develop project ideas and submit project request forms (PRF) with a memo detailing economic benefits and justification
Work with process controls group to develop / implement APC
Provide process design basis
Monthly Reports – Review unit KPI’s for the month and include analyses when appropriate with supporting data. Include unit performance on key economic drivers. Include recommendations for performance and reliability improvements and compliance with environmental permits
Advisory Group Calls / Face to Face Technology Meetings – participate / attend / present
Schedule reviews with vendors / Technologists
Work with Technologists to understand and implement unit best practices
Set outside feedstock properties and discuss opportunity feeds with Product Control
Know / understand the process fully to identify constraints
Work with Product Control for setting appropriate unit targets
Unit yield monitoring and optimization
Key decision maker for selecting programs, catalyst loads, etc
Communicate with Product Control and other relevant groups regarding:
Catalyst budget curves / current performance
Operation against / changing process constraints
Unit actual yields vs Linear Programming (LP) model yields – monitor accuracy of LP yields
Understand Product Control targets and ensure proper implementation / understanding by Operations
Support Product Control on required rigorous model runs as necessary
Critical Process Variables/ Not to Exceed (CPV/NTE) Maintenance and Operating Limits support
Lead/Participate in the MOC process
Perform environmental calculations (leaks, maximum intended inventory, etc.)
Lead CAT1 and 2 Investigations for process related events
Participate in unit hazard reviews (What-Ifs, HAZOPs)
Support instrumentation Process Safety Information (PSI) and troubleshooting (thermowell calculations, orifices, etc.)
Provide / approve special chemical procedures
Qualification
Required
Bachelor's degree in Chemical Engineering required. (Education must be obtained/completed prior to start date)
Zero (0) years or more of experience in process engineering within refining, petrochemical, or related industries required
Must be authorized to work in the US on a full-time indefinite basis without the need for employment visa sponsorship now or in the future
A valid Driver's License is required upon hire
Able to work off-hour duties such as plant shutdowns and routine on-call support
Preferred
Minimum of 2 years of experience in a refinery setting as a process engineer or experience as an MPC Co-Op
Benefits
Health, vision, and dental insurance
Paid time off
401k matching program
Paid parental leave
Educational reimbursement
Discretionary company-sponsored annual bonus program
Company
Marathon Petroleum Corporation
Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream and midstream energy company headquartered in Findlay, Ohio.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$2B2025-02-06Post Ipo Debt· $2B
2011-07-01IPO
Leadership Team
Maryann Mannen
Chairman
Recent News
The European Financial Review
2026-01-08
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2026-01-08
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