Plant Operator
Martin Marietta Materials

Idaho Springs, Colorado

This job has expired.

Position Summary

Responsible for operating mine processing plant equipment and other duties as needed for the mine production. Perform daily inspection of equipment. Observe visual and auditory signals during operation. Perform routine daily inspections of plant and mobile equipment and report any defects to the supervisor. Maintain and manage inventory levels of various wear items used throughout the plant site.


  • Operate/program the crushing and screening equipment for the quarry.
  • Visually observe and monitor gauges and all equipment while in operation to maintain the proper flow of material on belts, crushers, and screens
  • Responsible for housekeeping around the plant
  • Maintain strong communications with all other plant employees to ensure efficient and safe workflow from quarry to crusher.
  • Identify appropriate material to produce quality aggregate material per job specifications.
  • Perform routine maintenance on conveyor belts and crushing equipment including splicing, replacing idlers, pulleys, drive belts, and bearings, changing screens, cleaning, and lubrication.
  • Shut down equipment as required in the event of an emergency, blockages, or end of shift; coordinate/assist in required repairs.
  • Ensure compliance with all health, safety, and environmental regulations, and with company policies and procedures; MSHA Part 48 training is a plus.
  • High school diploma/GED or equivalent experience.
  • 1-3 years prior experience in the aggregate industry preferred; experience in aggregate plant operation and maintenance a plus
Physical Requirements

sitting, standing, walking, pushing, pulling, twisting, climbing, balancing, bending (bending at the waist, lifting above the waist, and lifting below the waist), kneeling, reaching, grasping (use of both hands), squatting, repetitive motions, manipulative finger movements with both hands, use of wrists (flexing or rotating with both wrists), use of both feet, use of arms above and below shoulder, work extended periods in the same position, perform duties in all climates i.e. weather, extreme temperatures, tolerate heights, lift and carry up to 75 lbs., work in confined spaces, capable of wearing respiratory and other personal protective equipment

This job has expired.

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