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Location Name: MWLS Denver CO
Grade Min:
Grade Max:
Education Level: Bachelor's Required
Relevant Experience Level: Mid Career (4-10 Years)
Employee Group: Regular - Full Time
Employee Subgroup: Salaried Exempt


The Senior Operations Accountant will be responsible for settling one or more plant or gathering assets and/or assisting other accountants with their assets in a timely and accurate manner and in accordance with company policies using the various accounting systems.


• Obtains information from internal and external sources to record accounting transactions in the accounting systems and general ledger.
• Ensures transactions are recorded, documented, reviewed and supported in accordance with company policies and controls.
• Assure adherence to applicable customer contract terms.
• Responsible for accuracy and timeliness of transactions in the systems and general ledger accounts. Applies analytical review to system results to ensure transactions are properly recorded in the accounting systems.
• Prepare monthly estimates & actualization for the specific assets.
• Analyzes account balances and margin account activity at month end and prepares properly supported account reconciliations, margin analysis, and SOX documentation.
• Provide monthly variance analysis on assets for management reporting purposes.
• Answers and resolves internal and external customer inquiries, including audit inquiries from external auditors, Internal Auditing, and producer auditors.
• Provides expertise to others in the MarkWest community for your specific system.
• Files applicable regulatory reports as required by state and federal governmental agencies.
• Strive to understand the full-range of the applicable operational accounting systems (e.g. Quorum Suite and/or Right Angle) functionality, the specific assets for which the accountant is responsible and the midstream business.
• Supports projects as needed and assists other accountants as requested by management.
• Maintains desk procedures to document the mechanics of booking the assets.
• Occasional (1-2 annual) travel to field location.


Employees in this position will be required to demonstrate the following job-related competencies in performance of the role:

• Customer Focus
• Professionalism
• Adaptability
• Results Oriented
• Process Improvements and Efficiencies
• Influencing and Negotiating
• Initiative and Independent Execution




• Bachelor’s degree in accounting, business or finance preferred.
• Three to five years of work experience as a degreed professional preferred.
• One to three years of oil and gas industry experience preferred.
• Experience with Oracle or a similar accounting system preferred.
• Strong understanding of generally accepted accounting principles (GAAP).
• Ability to work in a challenging and fast-paced environment.
• Ability to operate independently and provide solutions.
• Highly motivated and team-oriented individual.
• Detail-oriented and strong analytical skills.
• Strong verbal and written communication skills.
• Proficient in use of Excel and Word and have the aptitude to effectively learn company-specific accounting systems.
• Excellent organization skills.
• Flexible to work overtime during peak periods.


About Marathon Petroleum Corporation

Headquartered in Findlay, Ohio, Marathon Petroleum Corporation (MPC) operates an integrated refining, marketing and transportation system.


MPC is the nation's third-largest refiner, with a crude oil refining capacity of approximately 1.8 million barrels per calendar day in its seven-refinery system. Marathon brand gasoline is sold through approximately 5,500 independently owned retail outlets across 19 states. In addition, Speedway LLC, an MPC subsidiary, owns and operates the nation's second-largest convenience store chain, with approximately 2,730 convenience stores in 21 states.


Through subsidiaries, MPC owns the general partner of MPLX LP, a midstream master limited partnership. MarkWest Energy Partners, L.P., a wholly owned subsidiary of MPLX LP, is one of the largest processors of natural gas in the U.S. MPC owns, leases or has ownership interests in approximately 10,800 miles of crude and light product pipelines and more than 5,600 miles of gas gathering and natural gas liquids (NGL) pipelines.


MPC's fully integrated system provides operational flexibility to move crude oil, NGLs, feedstocks and petroleum-related products efficiently through the company's distribution network and midstream service businesses in the Midwest, Northeast, East Coast, Southeast and Gulf Coast regions.


Job Function: MarkWest
Travel Expected: Up to 10%


If you have visited our site in search of information on U.S. employment opportunities and require an accommodation to submit your application, please contact the MPC EEO/Compliance Office at 866-492-7802. Note that we only accept resumes and applications for posted positions.

Marathon Petroleum Company LP (“MPC”) is an equal employment opportunity employer.  All applicants will be considered without regard to their race, color, religion, sex, age, disability, national origin, sexual orientation, genetic information, gender identity, veteran status or other legally protected status.

Nearest Major Market: Denver

Job Segment: Operations Manager, Oracle, Database, Accounting, Operations, Technology, Finance

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