Plant Maintenance

Plant Maintenance

  • Martin Marietta Materials
  • Full Time
  • Location: Granite Canyon, WY

About the company

Martin Marietta Materials is seeking a new hire for the Plant Maintenance position in Granite Canyon, Wyoming. Plant maintenance position is responsible for preventative maintenance, repair of aggregate plant processing equipment and repair of mobile equipment.  As a plant maintenance you may perform various roles, including fabrication, welding, cutting, greasing, housekeeping and various other shop or processing duties.

From their website: A member of the S&P 500 Index, Martin Marietta is an American-based company and a leading supplier of building materials – including aggregates, cement, ready mixed concrete and asphalt. Through a network of operations spanning 28 states, Canada and the Bahamas, dedicated Martin Marietta teams supply the resources necessary for building the solid foundations on which our communities thrive.

Martin Marietta’s Magnesia Specialties business produces high-purity magnesia and dolomitic lime products used worldwide in environmental, industrial, agricultural and specialty applications.


  • Prioritizes SAFETY, then QUALITY, followed by Production
  • Will take an active role in the plant safety initiatives
  • Ensures a safe work environment for self and others at all times
  • Conducts MSHA pre-shift safety inspections of equipment and work areas
  • Maximizes performance of stationary equipment by performing repairs and ensuring preventative maintenance is completed on a timely basis
  • Performs fabrication, erection of processing equipment and repair to processing equipment and mobile equipment.
  • Responsible for ensuring backlog process is completed and prioritized with Plant Manager.
  • Completes required paperwork to maintain equipment and to run the plant according to Martin Marietta Materials standards
  • Duties may include checking, repairing or replacing pumps.
  • Inspects and ensures maintenance truck is being maintained properly
  • Ensures Preventative Maintenance services, lubrications services are completed according to Maintenance Module.
  • Trains and coaches other employees on maintenance practices


Job Requirements
  • High school diploma or equivalent
  • 3+ years’ experience working with plant equipment is preferred, particularly in an aggregate operation.
  • Basic math, reading, and writing skills are required.
  • Must have a working knowledge of heavy equipment, welding, cutting, and general mechanics.
  • Must be safety-oriented and exhibit safe work habits.
  • Punctual and reliable; good attendance required.
  • Good communication skills
  • Team-player
  • Self-motivated and eager to learn new skills.
Physical Requirements
  • Able to work outdoors in varying weather conditions.
  • Able to lift 75 pounds.
  • Willing and able to use a shovel when required.
  • Willing to work overtime and weekends as needed.
  • Able to work from elevated platforms.
  • Must be able to pass pre-employment physical/drug/alcohol test

Open positions:

Apply for the open Plant Maintenance position here.
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