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Marathon Petroleum Company is seeking a Technical Services (Tech Service) Supervisor at the Martinez Refinery. The Tech Service Supervisor is responsible for leading a group of process engineers that support refinery Area Teams. The Supervisor will be responsible for managing their performance and aiding their professional development. This position will report to the Tech Services Manager.



  • Ensure that the day to day technical needs of the refinery are met. Assign, prioritize, and expedite troubleshooting, process optimization, and process safety activities among engineers.
  • Communicate effectively with the Area Team Leaders, Refinery Management and other stakeholders to reach agreement on priorities and allocate appropriate resources.
  • Ensure Tech Service Excellence and develop engineers by providing technical oversight and identifying training needs and learning opportunities.
  • Assist engineers with sound investment decisions and guide them in the development of capital budget projects and decision support packages.
  • Manage the performance of engineers by assisting to set challenging goals. Additionally, the supervisor must provide them with honest, timely feedback, and chart a course for their long term success.


A Chemical Engineering degree and a minimum of 5 years of experience in Tech Services, Products or Operations are required.

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 second-largest refiner, with a crude oil refining capacity of approximately 1.9 million barrels per calendar day in its six-refinery system. Marathon brand gasoline is sold through approximately 5,600 independently owned retail outlets across 20 states and the District of Columbia. 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. Primarily through MPLX, MPC owns, leases or has ownership interests in approximately 10,800 miles of crude oil and light product pipelines. Also through MPLX, MPC has ownership interests in gathering and processing facilities with approximately 5.9 billion cubic feet per day of gathering capacity, 8.2 billion cubic feet per day of natural gas processing capacity and 610,000 barrels per day of fractionation capacity. 

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: Ref, Terminals, Pipeline
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: San Francisco
Nearest Secondary Market: Oakland

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