Planning & Optimization Engineer II​/III

Position Summary

The Value Chain Optimization (VCO) team has an opening for a Planning & Optimization Engineer supporting the Salt Lake City Refinery. This role reports through the VCO West Region to the Refining Economics & Planning Manager and is responsible for developing, optimizing, and executing regional operating plans using linear programming models, managing local refinery forecasting and deliverables, and partnering across the value chain to align economic strategies.

• Coordinates the commercial aspects of refinery operations, including feedstock selection, product and intermediate placement, supply chain optimization, and market analysis.
• Demonstrates a fundamental understanding of refinery operations, economics, and market dynamics.
• Develops and communicates strategies that capture missed opportunities and close production optimization gaps.
• Assists in collaboration meetings with the value chain to discuss local and regional economic drivers.
• Develops optimized and executable production plans for a single refinery using linear programming simulation models.
• Modifies production plans as needed to adjust to demand or margin changes.
• Identifies constraints associated with refinery modeling and uses provided input to develop refinery plans.
• Conducts detailed analysis of buy‑or‑make options, considering factors such as cost, quality, supply chain implications, and market dynamics.
• Collaborates with cross‑functional teams to gather relevant data and insights.
• Assists in developing decision‑making frameworks and presenting findings to stakeholders.
• Analyzes historical refinery data to identify trends, patterns, and areas for improvement.
• Collaborates with cross‑functional teams to validate data accuracy and completeness.
• Assists in developing backcast models and scenarios to evaluate past performance and identify optimization opportunities.
• Conducts project support cases independently under supervision.
• Demonstrates understanding of refinery operations and commercial aspects of projects.
• Analyzes data, identifies issues, and proposes solutions with guidance.
• Collaborates with team members to execute project support tasks effectively.
• Understands local refinery deliverables and can manage them with support of others.
• Understand how scheduling tools/processes work and is trained on APS to develop local refinery plans.

• Bachelor’s degree in Engineering required (Chemical Engineering preferred).
• Planning & Optimization Engineer II: 2 years relevant experience;
  Technical Services or Economics & Planning experience preferred.
• Planning & Optimization Engineer III: 4 years relevant experience;
  Technical Services or Economics & Planning experience preferred.

• Action Planning
• Adaptability
• Business Acumen
• Communication
• Continuous Learning
• Critical Thinking
• Decision Making
• Innovation
• Problem Solving
• Results Driven
• Teamwork

Salt Lake City, Utah (Additional locations: [Specify as applicable])

Marathon Petroleum offers a total rewards program that includes health, vision, and dental insurance; paid time off; 401(k) matching; paid parental leave; and educational reimbursement. The hired candidate will also be eligible for a discretionary company‑sponsored annual bonus program. Detailed benefit information is available at

Marathon Petroleum LP is an Equal Opportunity Employer and provides 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 need a reasonable accommodation for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at talentacqu The requested accommodation should be identified along with the job posting number.