Senior Planning & Optimization Engineer

Marathon Petroleum Corporation

Planning & Optimization Engineer within the Standardization & Governance team at Marathon Petroleum. Defining and advancing optimization model frameworks for consistency and scalability across assets.

Posted 6/4/2026full-timeFindlay • California, Ohio, Texas, Washington • 🇺🇸 United StatesSenior💰 $122,900 - $212,000 per yearWebsite

About the role

Key responsibilities & impact

Defines, maintains, and evolves standard modeling frameworks, structures, and requirements for enterprise planning and optimization tools
Works closely with planning, scheduling, and optimization teams to align model structures, assumptions, and configurations with approved standards
Leads efforts to harmonize model logic, constraints, and inputs across regions and assets to enable consistency, comparability, and scalability
Provides technical guidance and hands-on support during deployment and configuration of standardized models
Ensures model configurations comply with approved technical standards
Participates in model exception and deviation reviews, providing technical analysis and recommendations for resolution
Documents model assumptions, configurations, constraints, and decision logic to support transparency, auditability, and repeatability
Identifies opportunities to improve model robustness, maintainability, and performance within established standardization frameworks

Requirements

What you’ll need

Bachelor’s degree in Chemical Engineering, Industrial Engineering, Operations Research, or a related field
Four (4) or more years of experience working with planning and optimization models in tools such as Aspen PIMS, Aspen APS, Aspen PSCP, AIMMS, or similar platforms
Deep technical expertise in enterprise planning and optimization tools and their underlying modeling constructs
Strong ability to apply and maintain standards, version control, and change-control rigor in technical environments
Ability to understand end-to-end model interdependencies and ensure consistency across complex systems
Effective at working with planners, schedulers, optimization teams, and Operations Research partners to resolve model issues and align on standards

Benefits

Comp & perks

Health insurance
Paid time off
401k matching program
Paid parental leave
Educational reimbursement
Discretionary company-sponsored annual bonus program

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

modeling frameworksenterprise planningoptimization toolsmodel configurationstechnical analysismodel robustnessversion controlchange-controlmodel interdependenciesdecision logic

Soft Skills

technical guidancecollaborationproblem-solvingcommunicationtransparencyauditabilityrepeatabilityleadershiporganizational skillsadaptability