Senior Quantitative Analyst (Part-Time)

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 Overview:

MPC has an opportunity for a Senior Quantitative Analyst with a focus on building, enhancing and maintaining analytical data models. This role will help develop and implement analytical models for stress testing of the Supply, Trading, & Origination portfolio and calculating portfolio risk metrics including Value at Risk (VaR), Cash Flow at Risk (CFaR), Earnings at Risk (EaR). The position will also work closely with the Risk Oversight and Performance Measurements Teams in Middle Office identify opportunities and implement enhancements to the existing oversight metrics.

Middle Office is new to MPC and this is an opportunity to help shape the Middle Office relationships and process improvements. This position is open to Findlay, OH, Houston, TX, and San Antonio, TX.

*This position is part of a progression with increasing levels of responsibility, competency, and skill. The title and pay grade of the position will be determined by the experience and qualifications of the selected candidate.

Key Responsibilities:

• Develop and maintain quantitative risk models used to measure portfolio exposures, stress scenarios, and downside risk across commodity markets. Build analytical frameworks that support enterprise risk measurement, concentration analysis, and forward-looking risk assessments.
• Perform risk analytics and modeling activities, including valuation modeling, exposure simulations, scenario analysis, and sensitivity testing. Document methodologies, validate assumptions, and support ongoing model enhancements.
• Support price curve and valuation processes by maintaining analytical models, validating market data inputs, performing curve analysis, and assisting with valuation methodologies for physical and financial commodity positions.
• Deliver actionable risk analytics and decision-support insights by evaluating risk-return tradeoffs, portfolio impacts, and scenario outcomes for trading, origination, optimization, and strategic business initiatives.
• Partner with Commercial, Risk Oversight, Finance, and Data teams to translate business challenges into quantitative solutions. Communicate model outputs and analytical findings clearly to both technical and non-technical stakeholders.
• Support model governance and analytical standards by documenting models, performing back-testing and validation activities, and ensuring transparency, accuracy, and consistency in analytical outputs.
• Research and apply advanced quantitative techniques such as Monte Carlo simulation, stochastic modeling, optimization methods, volatility analysis, and machine learning approaches where appropriate to enhance risk measurement capabilities.

Minimum Qualifications:

• Bachelor’s degree required. Business, Accounting, Finance, Mathematics, Engineering, Economics or a related discipline preferred.
• Four (4) years of relevant experience required
• Experience with Power BI, Monte Carlo simulation, and RDW preferred.
• Prior experience in commercial operations, economics, risk management, quantitative analysis, financial analysis, or modeling preferred.

As an energy industry leader, our career opportunities fuel personal and professional growth.

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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, citizenshipor 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 [email protected]. 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 https://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.