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Location Name: MRLS Mandan ND 500 Old Red Tr
Location Address: 500 Old Red Trail NE, Mandan, ND, United States (US), 58554
Education Level: Associates Required
Relevant Experience Level: Mid Career (4-10 Years)
Employee Group: Regular - Full Time
Employee Subgroup: Hourly Non-Exempt


MPC’s Mandan Refinery located in Mandan, North Dakota is seeking a maintenance craft worker who specializes analyzer maintenance. This position will specialize in analyzer work conducting routine monitoring and maintenance to provide the highest possible on-stream availability of all analyzer systems, this position will include general craft work responsibilities.



  • Report problems and possible solutions with analyzer systems to supervisor and customers.
  • Receive instructions, work orders and safe work permits for the troubleshooting, repair, calibration, replacement or overhaul requirements of analyzers, probes, and sensors.
  • Complete modifications, changes and data collection of analyzers and sample systems.
  • Perform routine monitoring of sample handling systems and preventative maintenance associated with CEMS and Process analyzers.
  • Transport, replace and maintain calibration gases for analyzers.
  • Types of Analyzers include Gas Chromatographs (TCD, FPD), CEMS (Paramagnetic, UV, NDIR), Sulfur Analyzers (UV Fluorescence, UV).
  • Periodically perform calibration, maintenance, installation, repair, and replacement on all instrumentation and associated equipment including, but not limited to, pneumatic and electronic transmitters, control valves, solenoid valves, gauges, switches, and rotating equipment monitoring systems.
  • Attend and participate in morning toolbox talks and safety meetings.
  • General Craft work to include Blinding, Heat Exchanger Maintenance, Steam Tracing Repairs, etc.


The candidate must have the ability to read and comprehend piping and instrument diagrams (P&IDs), loop diagrams, technical manuals, and other process safety information. The candidate must be able to work independently of others, demonstrate excellent organizational skills and be able to evaluate and prioritize multiple tasks to ensure alignment with plant goals while acting with a sense of urgency (when required).


Key competencies and skills the candidate must possess include strong oral, verbal, and written communication skills, strong computer skills in computerized maintenance systems and analyzer specific software. The candidate must be customer-focused, results-driven, and effectively collaborate and work with personnel at various levels throughout the company.


Qualified applicants should have a minimum of four years of analyzer maintenance experience in a petrochemical or chemical plant setting and two-year associate degree in Electronics, Electrical, or Instrument Technology or equivalent degree.









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. Speedway LLC, an MPC 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 that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure. 


Travel Expected: None



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: North Dakota
Nearest Secondary Market: Bismarck

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