Financial Operations Auditor II

Position Summary

The Staff Auditor is responsible for executing financial, operational, compliance, and special audits across MPC and MPLX business activities in accordance with the International Standards for the Professional Practice of Internal Auditing and enterprise methodology. The role supports the full audit lifecycle—including planning, risk assessment, testing, and reporting—to evaluate the effectiveness of controls and identify risks that may impact the control environment, financial integrity, or achievement of business objectives.

The position partners with audit leads, management, and business stakeholders to support audit scoping, perform testing, document work papers, and communicate observations. The Staff Auditor also contributes to advisory reviews for new processes and systems, applies data analytics to enhance audit effectiveness, and ensures all audit work is completed accurately, thoroughly, and in alignment with departmental standards.

• Perform staff auditor functions for financial, operational, compliance, and special audits in accordance with international standards and enterprise methodology to identify risks and controls that may have an impact on the integrity of the control environment, integrity of financial information, or achievement of business objectives.
• Assist in team planning by conducting business unit interviews and preparing walkthroughs. Participate in opening and closing conferences. Keep the audit lead and audit manager informed of audit status and respond accordingly to supervisor review and feedback.
• Ensure risks are appropriately identified, ranked, and articulated in the Risk and Control Matrix (RACM), and the audit is appropriately scoped to include relevant risks/controls for testing. Actively participate in advisory reviews for new processes and systems design to provide an independent assessment of project management and control effectiveness.
• Assist with designing and documenting an appropriate audit program and test plan to address all risks in assigned areas. Complete testing and gather sufficient evidence of control execution, including use of data analytics to select optimal samples for testing. Validate potential exceptions with audit clients and perform self‑review of work.
• Logically and concisely document work and testing performed to support observations and conclusions utilizing established documentation protocol.
• Document test of control results logically and concisely in conformance with department methodology; annotate work papers sufficiently to support Lead and Manager reviews; ensure conclusions reached on control effectiveness are sufficiently supported.
• Identify opportunities to leverage data analytics to facilitate more meaningful audit scoping and test procedures (e.g., stratification and selection of a high‑risk audit sample, full population testing, etc.); engage with the DT&I Team to retrieve necessary data for analysis and leverage current analytics tools.
• Document complete and accurate observations (on control design and effectiveness), communicate control observations with audit clients prior to the exit meeting and present audit observations in closing conferences.

• Bachelor's degree in Accounting, Audit, or related field required.
• Two (2) years of audit, accounting, or business experience required.
• Professional certifications are preferred:
  Certified Public Accountant (CPA), Certified Internal Auditor (CIA), Certified Fraud Examiner (CFE), or other related industry certifications.
• Large company experience may be preferred.

• Up to 15%

Location:

San Antonio, Texas

Additional locations:
Findlay OH Main Bldg, Houston TX One Allen Center

Job Requisition :

Location Address: 19100 Ridgewood Pkwy

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.

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.