Planning & Optimization Engineer III/Senior

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 and dynamic Planning & Optimization Engineer to support regional and refinery planning and optimization activities. This role will contribute to regional and refinery backcasting, optimization modeling, and LP submodel development and maintenance. The ideal candidate brings strong analytical capability, a solid interest in optimization and planning methodologies, and the ability to work effectively across teams. Success in this role requires strong organizational, interpersonal, and communication skills, along with the ability to translate complex analytical insights into actionable outcomes. Key Responsibilities Enables and improves the commercial decision-making processes across regional refinery operations (feedstock selection, product/intermediate placement, supply chain optimization, market analysis) by driving standard work, governance, tool adoption, and cross-functional alignment without owning the daily planning decisions or plan outputs. Manages the commercial aspects of regional refinery operations, including feedstock selection, product and intermediate placement, supply chain optimization, and market analysis. Collaborates with local and regional value chain teams to align on economic drivers and ensure that planning decisions support enterprise-wide optimization. Leads collaboration meetings within the value chain to discuss both local and regional economic drivers. Verifies refinery production plans using linear programming (LP) models; Understand differences in plan were due to margin shifts, demand changes, or operational constraints. Communicates any changes needed to forecast tools or processes to capture value. Leads end-to-end evaluation of actual buy-or-make cases, by evaluating actual costs, quality, supply logistics, and market conditions. Develops sophisticated economic models and sensitivity analyses to assess risk and uncertainty. Collaborates with cross-functional stakeholders to align strategies with actual outcomes. Leads the development and execution of backcast models, considering factors such as production efficiency, cost drivers, and market conditions. Conducts in-depth root cause analysis to identify factors influencing historical performance deviations. Collaborates with operational teams to implement corrective actions and continuous improvement initiatives. Assists in developing/verifying decision-making frameworks and communicates findings and recommendations to key stakeholders through clear and concise presentations. Integrates into the local refinery planning team and learn the tools and processes for completing deliverables and scheduling, including APS. Contribute to the validation of production plans with support from team members and lead any gap closures. Education and Experience Bachelor’s degree in Engineering required. Four (4) years of relevant experience required. Experience working with LP models (PIMS), as well as Refining and Midstream operations preferred. Skills Action Planning Adaptability Business Acumen Communication Continuous Learning Critical Thinking Decision Making Innovation Problem Solving Results Driven Teamwork As an energy industry leader, our career opportunities fuel personal and professional growth. Location: Findlay, Ohio Job Requisition ID: 00022661 Pay Min/Max: $122,900.00 - $212,000.00 Salary Grade: 12 - 13 Location Address: 539 S Main St Additional locations: Canton, Ohio, Catlettsburg, Kentucky, Detroit, Michigan, Mandan, North Dakota, Robinson, Illinois, St Paul Park, Minnesota Education: Bachelors: Engineering 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 View email address on click.appcast.io. 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.