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Planning & Optimization Engineer II

Job in Los Angeles, Los Angeles County, California, 90079, USA
Listing for: Marathon Petroleum Corporation
Full Time position
Listed on 2026-01-06
Job specializations:
  • Engineering
    Process Engineer, Chemical Engineer
Job Description & How to Apply Below

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.

Position Summary

Value Chain Optimization (VCO) is seeking a motivated employee with interest in commercial optimization. The employee will learn how to collaborate with multiple refining and commercial counterparts while learning commercial planning and scheduling skills. The employee will also utilize software such as Aspentech PIMS (Linear programming model) and Aspentech Petroleum Scheduler (APS).

VCO views this as a knowledge-enhancing role for an employee seeking to learn commercial economics and planning. The role will begin with learning various coordinating/scheduling desks and will progress into learning PIMS LP modeling as dictated by department needs. This position provides the candidate with key economic, planning, and logistics knowledge that will continue to inform decisions for future refining or commercial roles.

Key Responsibilities
  • 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 closes production optimization gaps.
  • Assists in collaboration meetings with the value chain to discuss both 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/margin changes. Identifies constraints associated with refinery modeling, 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. Able to analyze data, identify issues, and propose solutions with guidance. Collaborates with team members to execute project support tasks effectively.
  • Understands local refinery deliverables and can effectively manage with support of others. Understands how scheduling tools/processes work and is trained on APS to develop local refinery plans.
Education and Experience

Planning & Optimization Engineer II

  • Bachelor’s degree in Engineering required, Chemical Engineering preferred.
  • Two (2) years relevant experience. Technical Services and/or Economics & Planning experience preferred.

Planning & Optimization Engineer III

  • Bachelor’s degree in Engineering required, Chemical Engineering preferred.
  • Four (4) years relevant experience. Technical Services and/or Economics & Planning experience preferred.
Skills
  • Action Planning
  • Adaptability
  • Business Acumen
  • Communication
  • Continuous Learning
  • Critical Thinking
  • Decision Making
  • Innovation
  • Problem Solving
  • Results Driven
  • Teamwork

Location:

Los Angeles, CA

Relocation:
Available

Estimated Travel: 5%

This position grade may vary depending on candidate experience. The successful candidate will be placed at a level commensurate with experience and qualifications.

Equal Opportunity Employer

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,…

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