Craft Worker - Outside Machinist
mpc · Mandan, North Dakota · United States · On-site
Posted Oct 8, 2026
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Position Summary:
MPC’s Mandan Refinery located in Mandan, ND is seeking a maintenance craft worker who specializes in rotating equipment repairs. An Outside Machinist is required to understand and demonstrate knowledge of safety rules and procedures, process safety hazards, job and refinery rules, procedures and policies and the application and proper use of safety and personal protective equipment. A working knowledge of the various types of process plant equipment and the skills to repair this equipment are important. This position will also perform general plant maintenance as needed.
This position is located in Mandan, ND and reports to the Machinery & Mechanical Supervisor.
Key Responsibilities:
Repairing, rebuilding, or upgrading mechanical equipment, not limited to pumps, compressors, turbines, valves, and gearboxes per MPC specifications, standards, and drawings.
Maintain equipment through preventive maintenance, predictive maintenance (vibration analysis, oil analysis, etc.) and condition-based monitoring.
Troubleshoot mechanical and control problems on refinery equipment to minimize downtime, maximize reliability and ensure compliance.
Read and understand equipment manuals, procedures, and proper tool selection to troubleshoot and repair equipment.
Maintain knowledge of application of precision measuring tools and equipment is required. Tools to include the wide array of the various types of micrometers and calipers, indicators, height gauges, and proficient in the use of laser alignment equipment.
Ensuring required documentation of repairs, modifications, and training are completed in a timely and meticulous manner.
Apply basic principles and required repair procedures for centrifugal and reciprocating pumps and compressors and various types of gearboxes.
Knowledge of mechanical drives and systems is required. Hydraulic and pneumatic systems and equipment repair knowledge is desired.
Work will not be limited to machinist/millwright duties. Individual will be required to perform many other duties in the maintenance of an industrial plant.
Education and Experience:
HS Diploma or GED Required.
Apprentice or Journeyman millwright or an associate’s degree in related field preferred.
Minimum of two years of mechanical experience required. Refinery mechanical or similar process plant experience preferred.
NCCER Certification is preferred.
Experience in laser alignment, pump mechanic, steam turbine mechanic, compressor mechanic preferred.
Valid driver’s license required.
Skills:
Experience in running overhead cranes, forklifts, and basic rigging principles are essential.
Strong math background and ability to read blueprints is required.
Strong mechanical aptitude and…