Petroleum Supply Specialist

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 The Supply Trading Specialist – Propylene is a key commercial role within the Natural Gas / NGL / Petrochemicals Value Chain, reporting to the Supply Trading Manager – Olefins. This position is responsible for the day-to-day commercial management and optimization of Refinery Grade, Chemical Grade, and Polymer Grade Propylene produced by MPC. The role combines market analytics, customer engagement, and trading execution to maximize the value of MPC-produced propylene. The Specialist assesses market conditions, identifies profitable placement opportunities, negotiates commercial agreements, and proactively develops new organic growth opportunities to enhance margin and expand market optionality. Working collaboratively across Commercial and Operating organizations, this position leverages strong market insight and disciplined execution to maximize value chain performance. Key Responsibilities Manage day-to-day commercial activities for the assigned propylene supply trading desk. Optimize placement of MPC-produced propylene through a balanced portfolio of term contracts and spot transactions. Assess market fundamentals, pricing trends, supply/demand dynamics, and arbitrage opportunities to inform trading strategy. Execute physical trades in alignment with established risk management guidelines and commercial guardrails. Negotiate and structure spot and long-term contracts to enhance margin, flexibility, and risk mitigation. Identify and develop new organic growth opportunities, including new customers, expanded market outlets, and incremental spot opportunities. Maintain strong customer relationships to strengthen commercial positioning and long-term value creation. Partner with Operating organizations to align commercial strategy with refinery production, logistics capabilities, and operational constraints. Provide market intelligence and commercial insight to support production planning and integrated decision‑making. Monitor exposure, inventory positions, and working capital impacts to ensure disciplined commercial execution. Support continuous improvement initiatives that enhance market optionality, commercial agility, and overall value chain performance. Education and Experience Supply Trading Specialist Bachelor's Degree required Three (3) or more years of experience in commodity trading, supply and logistics, commercial operations, marketing, business development, refining economics and planning, scheduling, or other related commercial functions. Experience with contract negotiation, product movement, supply chain activities, commercial decision‑making, and/or profit and loss responsibilities is preferred. Senior Supply Trading Specialist Bachelor's Degree required Five (5) or more years of experience in commodity trading, supply and logistics, commercial operations, marketing, business development, refining economics and planning, scheduling, or other related commercial functions. Demonstrated experience in commercial decision‑making, contract negotiation, product movement, supply chain optimization, and/or profit and loss responsibility is preferred. Skills Accountability Commercial Awareness Communication Contract Management Customer-Focused Data Analysis Decision Making Entrepreneurship Leadership & Mentoring Marketing Strategies Negotiation Strategic Planning Location Findlay, OH, or Houston, TX Estimated Travel: 25% This position grade may vary depending on candidate experience. The successful candidate will be placed at a level commensurate with experience and qualifications. As an energy industry leader, our career opportunities fuel personal and professional growth. Location: Findlay, Ohio Additional locations: Houston, Texas Job Requisition ID: 00023234 Location Address: 539 S Main St Education: Bachelors (Required) Employee Group: Full time Employee Subgroup: Regular Marathon Petroleum 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. 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 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. #J-18808-Ljbffr