Senior Planning & Optimization Advisor/Engineer – NG & NGLs

Marathon Petroleum Corporation • Denver, CO

4d

About The Position

The Senior Planning & Optimization Advisor/Engineer develops and operationalizes integrated planning and optimization processes, decision-support models, and tools, embedding data-driven decision-making into workflows across the natural gas and natural gas liquids value chain. The role connects Commercial, Trading, Operations, Transportation and Logistics, and Digital/IT to build integrated plans and translate strategy into actionable decisions that create measurable, traceable value.

The position coordinates the development and implementation of planning and optimization capabilities, including requirements and data inputs, scenario evaluation, model-output validation, aligned commercial and operational plans, performance monitoring, and stakeholder adoption. Depending on the area of focus, the role supports Northeast NG/NGL assets and ethane recovery versus rejection; West Texas NG/NGL assets and the Texas City Natural Gas Liquids Complex; or integrated butane supply, transportation, storage, distribution, and inventory management.

The position is based in Denver, Colorado, with additional listed locations in Canonsburg, Pennsylvania; Findlay, Ohio; Houston, Texas; and San Antonio, Texas. Estimated travel is 10–15%. Relocation assistance may be available depending on the candidate’s location and position requirements. The role is full-time and regular. The listed salary range is $122,900–$212,000, and the hired candidate is eligible for a discretionary company-sponsored annual bonus program.

Requirements

• Bachelor’s degree in Engineering.
• A Bachelor’s degree in another field may be considered with five years of experience in economics planning, optimization, value chain, operations, commercial, logistics, or related technical work.
• Four years of refinery or NG/NGL planning, optimization, value-chain analysis, operations, commercial, logistics, or related experience.

Responsibilities

• Develop and implement standardized NG/NGL planning and optimization processes, defining workflows, decision rights, and ownership across value-chain stakeholders.
• Coordinate optimization model development, business requirements, constraint validation, implementation workflows, and adoption across Commercial, Scheduling, Operations, Logistics, and Digital/IT.
• Develop and optimize short-term, mid-term, and lookback plans using local, regional, and cross-regional models to maximize NG/NGL value-chain performance.
• Manage NG/NGL forecasting and planning activities, keeping plans aligned with operational capabilities, producer and customer contracts, market conditions, and business objectives.
• Maintain and enhance planning and optimization models by validating assumptions, updating constraints, improving data quality, and increasing accuracy to reflect operating realities.
• Identify emerging constraints and value opportunities and develop strategies to improve recovery decisions, asset utilization, product routing, and overall value-chain performance.
• Perform scenario and sensitivity analyses on changing market conditions, operational constraints, disruptions, producer nominations, and strategic initiatives.
• Use historical performance reviews, backcast analyses, and scenario evaluations to improve forecasting accuracy, planning effectiveness, and business decisions.
• Partner with Operations, Commercial, Trading, Scheduling, Logistics, Planning, Engineering, and Digital/IT to align plans across assets and planning horizons and support operating strategies.
• Provide technical guidance to less experienced advisors.
• For the Northeast focus, advance the Northeast ethane recovery versus rejection initiative and develop integrated planning and optimization capabilities for regional decisions.
• For the South focus, develop planning and optimization capabilities for West Texas NG/NGL assets and the Texas City Natural Gas Liquids Complex.
• For the Butane Blending focus, integrate butane supply, transportation, storage, distribution, and inventory management while balancing commercial value and operational feasibility.

Benefits

• Health insurance
• Vision insurance
• Dental insurance
• Paid time off
• 401(k) matching program
• Paid parental leave
• Educational reimbursement
• Discretionary company-sponsored annual bonus program
• Relocation assistance may be available, depending on candidate location and position requirements

What This Job Offers

• Job Type: Full-time
• Career Level: Senior