Accounting Supervisor

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 Marathon Petroleum Company LP has an opportunity for an Accounting Supervisor to support Order‑to‑Cash (O2C) processes, including Customer Master Data, billing, and payment processing. The O2C organization plays a key role in delivering accurate, compliant, and efficient billing and cash application outcomes by contributing to the end‑to‑end process—from contract activation through collection—while enabling a seamless and trusted customer experience. Beyond day‑to‑day operational oversight, this role functions as a collaborative thought partner, working closely with Commercial, Controllers, Treasury, and Enterprise Business Services peers to help clarify process ownership, enable informed decision‑making, and strengthen control discipline. The Supervisor will contribute to the development and sustainment of governance models that are auditable, scalable, and repeatable across the enterprise, supporting alignment within the broader O2C Global Process Owner (GPO) framework. Key Responsibilities Responsible for personnel, processes, and procedures within the workgroup, ensuring accounting Order‑to‑Cash activities are executed accurately, timely, and effectively. Collaborates to establish, monitor, and achieve annual goals, KPIs, and performance metrics, driving continuous improvement across billing, cash, and master data processes. Leads, develops, and coaches employees, providing functional expertise in applicable business processes while reinforcing accountability, quality, and operational excellence. Oversees the customer billing process, including invoice creation, validation, and distribution; manages and resolves customer billing disputes in partnership with Commercial and Operations. Monitors and resolves sales transaction exceptions, including: Incomplete Movement Values (IMV) Sales Transactions Not Invoiced Account Code Errors, partnering with Operations Accounting as needed Performs accuracy reviews and controls for areas of responsibility Oversees the cash application process, ensuring timely and accurate application of customer payments. Manages the customer master data process, ensuring data integrity, governance, and alignment with enterprise standards. Develops, monitors, and reports KPIs and best practices, driving improvements in master data tasks required for deal setup, billing accuracy, dispute resolution, and cash performance. Monitors and tests internal controls, ensuring effectiveness and compliance with SOX and Controller's policies. Actively participates in the monthly accounting close, performing reviews, approving significant journal entries and reconciliations. Education and Experience Bachelor's degree in Accounting required. Six (6) years of Accounting experience required. Travel expectations are minimal RightAngle, Salesforce or SAP experience preferred. Skills Adaptability

• Maintaining effectiveness when experiencing major changes in work responsibilities or environment (e.g., people, processes, structure, or culture); adjusting effectively to change by exploring the benefits, trying new approaches, and collaborating with others to make the change successful. Authentic Communicator
• Expresses ideas and information, both verbally and in writing, clearly and credibly. Listens to understand and fosters constructive dialogue. Business Acumen
• Applies knowledge of MPC's business, industry, and the marketplace to advance the organization's goals. Makes decisions and recommendations clearly linked to MPC's strategy. Continuous Improvement Mindset
• Identifies and leads opportunities for continuous improvement and value creation, both incremental and large-scale. Critical Thinking
• Identifying and understanding issues, problems and opportunities; using data analysis to draw conclusions; using judgment in choosing a course of action; taking action that is consistent with available facts, constraints and probable consequences. Intellectually curious. Energizing the Organization
• Creates a purposeful, engaged, optimistic workforce. Ongoing Learning & Self-Development
• Regularly determines new areas for learning and acquires strategies and best practices for gaining/improving knowledge, behaviors, and skills. Problem Solving
• Problem Solving is a step-by-step process of defining a problem, searching for information, and testing a series of solutions until the problem is solved. It involves critical thinking, analysis and persistence. Regulatory Compliance
• Understanding the rules, regulations, sanctions and other statutory requirements, guidelines and instructions relating to governing bodies and organizations, both internally and externally. Results Driven
• Drives operational and process excellence and innovative behavior by empowering others, collaborating, taking appropriate risks, making timely decisions, and holding people accountable for results. Selecting and Developing People
• Recognizes and selects high caliber talent, accurately assesses abilities and potential, coaches to develop capabilities and builds high
• performing teams. Strategic Outlook
• Examines issues, generates ideas, creates future scenarios, and develops plans with a long-term perspective.

Ensures short-term goals support long-term strategy and that organizational/functional strategy aligns with and supports MPC's overall business strategy.

MINIMUM QUALIFICATIONS

• Bachelor's degree in Accounting
• 6+ years of accounting experience As an energy industry leader, our career opportunities fuel personal and professional growth.

Location:

Findlay, Ohio Additional locations:

San Antonio, Texas Job Requisition ID:

00021670

Location Address:

539

S Main St Education:

Bachelors:

Accounting (Required)

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 talentacquisition@marathonpetroleum.com. 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. 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.