Share this Job

Location Name: Findlay, OH 
Job/Requisition ID: [[id]] 
Location Address: 539 S Main St, Findlay, OH, United States (US), 45840
Education Level: Bachelor's Required 
Relevant Experience Level: Mid Career (4-10 Years) 
Employee Group: Regular - Full Time
Employee Subgroup: Salaried Exempt


Please apply if you believe you are qualified for this position.



The Internal Control Auditor is responsible for performing reviews of financial and operational processes, Sarbanes-Oxley (SOX) controls, and regulatory compliance for MPC and MPLX.  Auditors gain a thorough understanding of company operations through the execution of numerous audits each year and are provided with significant opportunities to develop business critical skills such as verbal and written communication, collaboration, leadership, and critical thinking.  Audit teams are comprised of a Lead Auditor and 2 to 8 Staff Auditors.



This position will perform the Staff or Lead Auditor responsibilities on different audit engagements. 


Staff Auditor 

  • Participates in planning audit engagements. Conducts audit client interviews to obtain a thorough understanding of the business unit, systems and processes subject to audit.  Documents process walkthrough narratives and controls for assigned areas.  Identify risks which should be included in the audit scope.
  • Designs and documents an appropriate audit program and test plan to address all risks in assigned areas and submits audit program to the Lead Auditor for review.
  • Performs testing on assigned areas and gathers sufficient evidence of control execution.  Where appropriate, performs analytics on population data in order to select sample data to review.
  • Logically and concisely documents work performed to support observations and conclusions following standard documentation requirements. Presents potential control exceptions with audit clients.  Prepares control exception write-ups and submits completed workpapers to Lead Auditor for review.
  • Maintains positive relationships with audit clients to facilitate audit execution.  Communicates results of work and status updates to Lead Auditor and Audit Management.
  • Identifies and communicates process improvements to audit clients and Internal Audit Management


Lead Auditor 

Lead Auditors are selected based upon knowledge, skills, experience and performance. Lead Auditors are involved with the full audit process, including planning audit engagements, providing oversight during audit execution, and reporting audit results to management.

  • Conducts client interviews to enhance understanding of the business unit and processes being audited.  Ensures risks are ranked appropriately in the planning documents. Ensures high and medium risk business processes are included in the audit program for testing.
  • Ensures audit assignments are equitably allocated to the audit staff for timely completion
  • May perform audit work on complex or high-risk audit areas.
  • Provides field supervision to audit engagement staff to ensure timely completion of assigned audit work.
  • Reviews workpapers completed by the staff, validating exceptions and client remediation plans. Ensure workpapers adhere to the standard documentation requirements.
  • Coordinates and leads audit entrance and exit meetings and relevant meeting documents.  Provides timely status updates to audit client and Audit Management during the engagement. Presents control exceptions to Audit Management and audit clients.
  • Prepares draft audit reports and management letters in conformity with department standards and submits to the Engagement Manager for review.  Responds to questions from Audit Manager and Vice President Audit.
  • Ensures the audit is executed in accordance with IIA and MPC Internal Audit standards
  • Provides real-time feedback and coaching to audit staff throughout the engagement
  • Maintains a positive work environment within the engagement team
  • Identifies and communicates process improvements to audit clients and Internal Audit Management
  • Maintains positive relationships with audit clients to facilitate audit execution.  Communicates results of work and status updates to clients and Audit Management.



  • Bachelor’s Degree in business, accounting or related discipline is required
  • 4-10 years of audit, accounting or business experience is required; large company experience is preferred
  • Professional Certifications are preferred: Certified Public Accounting (CPA), Certified Internal Auditor (CIA), or Certified Information Systems Auditor (CISA).


About Marathon Petroleum Corporation


Marathon Petroleum Corporation is a leading, integrated, downstream energy company headquartered in Findlay, Ohio. The company operates the nation’s largest refining system with more than 3 million barrels per day of crude oil capacity across 16 refineries. Marathon Petroleum's marketing system includes branded locations across the United States, including Marathon branded outlets. Speedway LLC, a Marathon Petroleum subsidiary, owns and operates retail convenience stores across the United States. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company which owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure.

Travel Expected: Up to 10%


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, 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 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.

Equal Opportunity Employer: Veteran / Disability

Marathon Petroleum Company LP participates in the E-Verify program in some states in which it operates (including AL, AZ, GA, MS, NC, SC, TN, and UT). For more information before proceeding, please see details in English or Spanish. Right to Work Statement English or Spanish.

To view benefit information for Marathon Petroleum Corporation please visit

Nearest Major Market: Lima
Nearest Secondary Market: Findlay

Job Segment: Internal Audit, Audit, Information Systems, Accounting, CPA, Finance, Technology