Equipment Operator I

Martin-Marietta-1798b2fd; Guernsey (WY); On-site; USD 30,000 - 47,000; Full time

Job summary

Martin Marietta is seeking an Equipment Operator II to safely operate loaders, excavators, and dozers, facilitating material handling from pit to plant. You will support site infrastructure, perform PMs, and help train junior operators in safe techniques.

The role emphasizes strict MSHA regulations and a safety-first culture, with opportunities to contribute to continuous site improvements and mentor teammates.

Qualifications

• High school diploma, GED, or relevant experience required.
• Technical training or vocational certification preferred.
• 1+ year experience operating heavy equipment in aggregate/mining.

Responsibilities

• Safely operate heavy equipment to transport raw materials within the pit and plant.
• Adjust equipment settings per SOPs to maximize throughput and minimize cycle times.
• Coordinate positioning to support production flow and load cargo safely.
• Perform daily inspections and preventative maintenance; report issues promptly.
• Assist with training junior operators on safe operation and site protocols.

Skills

Mechanical aptitude

Troubleshooting

Critical thinking

Safety minded

MSHA compliance

Regulatory compliance

Effective communication

Time management

Education

High school diploma or GED

Technical/vocational certification

Job description

JOB SUMMARYThe Equipment Operator II is responsible for the safe and efficient operation of multiple types of heavy mobile equipment (including, but not limited to, loaders, excavators, and dozers) to facilitate the extraction, transportation, and processing of raw materials. This role goes beyond simple operation; the Operator II is a cross-functional team member who maintains site infrastructure (roads and berms), performs critical preventative maintenance, and troubleshoots equipment malfunctions to maximize production uptime.Operating under moderate supervision, this individual is expected to demonstrate advanced proficiency in material handling, ensure strict compliance with MSHA regulations, and assist in the training and mentoring Operators to maintain a high-performance, safety-first culture.KEY DUTIES AND RESPONSIBILITIESSafely operate a variety of heavy equipment to transport raw materials from the pit to the plant at maximum loading capacity.Adjust equipment settings and operational techniques using Standard Operating Procedures (SOPs) to maximize throughput and minimize cycle times.Coordinate equipment positioning and sequencing to support site supervisors in optimizing production flows.Ensure all cargo is properly loaded according to safety requirements, preventing spills and maintaining vehicle stability.Strictly adhere to all MSHA safety rules, as well as Martin Marietta’s Guardian Angel programs.Maintain the integrity of the quarry by ensuring haul roads, berms, and loading areas meet safety standards and site specifications.Facilitate and maintain safe traffic flow throughout the site, communicating via CB radio or hand signals to coordinate movement with co-workers and customer trucks.Proactively identify and report site hazards, such as unstable highwalls, loose material, or electrical risks.Conduct thorough daily inspections of vehicle systems, hydraulic lines, tires, and safety accessories, documenting findings in official logs.Perform daily preventative maintenance (PMs), including greasing moving parts and checking oil, diesel, and coolant levels.Use mechanical aptitude to diagnose equipment malfunctions and perform minor repairs; promptly report significant mechanical failures to the maintenance shop.Assist the maintenance team with plant repairs and clean-up, including the replacement of idlers, pulleys, and bearings during shutdowns.Aid in the training of co-workers and junior operators on safe operation techniques, site protocols, and equipment maintenance.Provide operational support across various areas of the plant.Maintain professional and effective communication with Plant Operators, Supervisors, and external customers to ensure a cohesive work environment.QUALIFICATIONSEducationHigh school diploma, GED, or relevant experienceTechnical training and vocational certification is preferredWork Experience1+ years of relevant experience operating Heavy Equipment in an Aggregate, Construction, or Mining environment.Knowledge, Skills, and AbilitiesMechanical aptitudeTroubleshootingCritical thinkingSafety focusedMSHA compliance and regulationsRegulatory complianceEffective communication (written and spoken)Time managementADDITIONAL DETAILSPhysical RequirementsMust be able to lift and carry up to 50 lbs. for plant maintenance and equipment servicing.Required to bend, stoop, climb, and reach. You must be able to maintain three points of contact when climbing on/off machinery or on ladders.Strong hand-eye-foot coordination is essential for operating hand/foot controls. You must have good depth perception with or without seeing aid for distances up to 150 feet.Working ConditionsAll 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.DisclaimersIn 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.