Martin Marietta

Equipment Operator

Martin Marietta  •  $50k - $70k/yr  •  Greeley, CO (Onsite)  •  1 day ago
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Job Description

 The Equipment Operator is a foundational role responsible for the safe and efficient operation of mobile heavy equipment used in the extraction, transportation, and processing of aggregate materials (sand, gravel, and crushed stone).  As a key contributor to the production cycle, the Operator ensures that raw materials move seamlessly from the pit to the plant and that finished products are managed effectively in stockpiles. Beyond machinery operation, this role is deeply integrated into the site’s maintenance and safety culture, requiring a "Safety First" mindset and a willingness to perform cross-functional duties, including manual labor and plant housekeeping—to maintain an elite operational environment.  KEY DUTIES AND RESPONSIBILITIES 
  • Safely operate entry-to-mid-level mobile equipment, including but not limited to Haul Trucks (off-road), Water Trucks, and Front-End Loaders (e.g., CAT 980/988 series). 
  • Transport raw materials from the extraction pit to the primary crusher and move finished aggregate products from the plant to designated stockpiles. 
  • Maintain the integrity of product stockpiles by ensuring materials are separated correctly to prevent contamination. 
  • Operate water trucks to manage dust control on haul roads and utilize equipment to maintain berms, ramps, and safe traffic flow throughout the facility. 
  • Conduct rigorous daily inspections of vehicle systems (brakes, steering, fluids, tires, and gauges) to identify potential hazards or mechanical issues. 
  • Perform routine PM tasks, including greasing moving parts, checking oil levels, cleaning cabs, and assisting mechanics with minor repairs (e.g., replacing idlers, belts, or bearings). 
  • Use Standard Operating Procedures (SOPs) to identify and report equipment malfunctions or unusual sounds to the maintenance team immediately to minimize downtime. 
  • Operate all machinery in strict accordance with MSHA (Mine Safety and Health Administration) regulations and Martin Marietta’s internal safety policies. 
  • Participate in the "Guardian Angel" safety program by identifying "near miss" hazards, wearing all required PPE, and looking out for the safety of coworkers and visiting contractors. 
  • Ensure all operations comply with environmental standards, specifically regarding dust control and spill prevention in the yard. 
  • When not operating equipment, assist in plant operations which may involve manual shoveling, sweeping around conveyors, cleaning under crushers, and general site cleanup. 
  • Maintain constant contact with plant operators and other drivers via CB radio or hand signals to coordinate safe movement and material flow. 
  • Accurately complete daily production logs, maintenance reports, and safety forms. 
 QUALIFICATIONS Education High school diploma, GED, or relevant experience Technical training (e.g., vocational certification) strongly preferred  Work Experience 6 months – 1 year of experience operating Heavy Equipment, ideally within a Mining, Quarry, or Construction setting.  Knowledge, Skills, and Abilities 
  • Mechanical aptitude 
  • Computer literacy 
  • Troubleshooting 
  • Critical thinking 
  • Safety focused 
  • MSHA compliance and regulations 
  • Regulatory compliance 
  • Effective communication (written and spoken) 
  • Time management 
 ADDITIONAL DETAILS Physical Requirements Must be able to lift and carry 50 – 75 lbs to handle parts, tools, and maintenance equipment. Ability to sit and operate heavy machinery for long shifts You must be able to frequently bend, stoop, kneel, and reach to inspect, or service equipment. Must be comfortable climbing ladders and stairs (sometimes up to 100 feet) to access plant structures or equipment cabs using the "3 points of contact" rule. Ability to walk across steep, rough, or uneven terrain common in quarries and pits. Good hand-eye-foot coordination is essential for operating controls. You must also have the visual acuity to perceive depth at a distance and the hearing to monitor sounds and radio communications. You must be able to work irregular shifts, including nights, weekends, and overtime.  Working Conditions All duties require outside assignments and require periods of work in all weather conditions, cold, wet, dry and dusty. Must be able to work in areas where noise levels are up to 85 dbs.   Disclaimers In addition to the primary responsibilities outlined, the successful candidate may be expected to take on other tasks and assignments as required, including but not limited to duties outside the typical scope of the role to support overall team operations and organizational needs. Flexibility and adaptability to evolving job demands are essential. 
Martin Marietta

About Martin Marietta

A member of the S&P 500 Index and a leading supplier of building materials, Martin Marietta employs more than 9,400 people across 28 states, Canada and the Bahamas. Our aggregates, cement, ready-mixed concrete and asphalt products are the foundational materials on which our communities thrive and grow. Martin Marietta’s Magnesia Specialties business produces high-purity magnesia and dolomitic lime products used worldwide in environmental, industrial, agricultural and specialty applications.

Every member of our ONE Martin Marietta team is driven by our shared values of Safety, Integrity, Excellence, Community and Stewardship. We provide exceptional customer service and strive to be good neighbors in the 500 communities in which we operate. We also support each other and work to build a legacy our loved ones will be proud of. We know that together, we’ll make an impact that lasts far beyond tomorrow.

Industry
Oil, Gas & Mining
Company Size
1,001-5,000 employees
Headquarters
Raleigh, NC
Year Founded
1994
Website
martinmarietta.com
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