Equipment Operator I

00002 Martin Marietta Materials, Inc.; Prescott (AZ); On-site; USD 52,000 - 64,000; Full time

Job summary

The Sales/Yard Loader at Martin Marietta Materials, Inc. safely operates a front-end loader to load finished products into customer trucks or railcars, while guarding stockpile integrity.

As a frontline representative, the role emphasizes a “Safety First” culture, manages traffic, guides visiting drivers, and performs routine PMs to keep equipment and yard operations running smoothly.

Qualifications

• Education: High School diploma, GED, or relevant experience.
• Experience: 0–12 months operating a front-end loader preferred.
• Knowledge: MSHA regulations and safety practices.

Responsibilities

• Safely operate front-end loaders to move materials from stockpiles to customer vehicles.
• Regulate flow from conveyors, surge piles, chutes and storage bins to maximize production.
• Maintain stockpile quality and prevent contamination and environmental issues.
• Perform daily pre- and post-shift inspections and report issues to maintenance.
• Communicate with plant operators and drivers using CB radio or hand signals.
• Overtime and weekend work as required.

Skills

Road specifications and slopes

Heavy equipment components

Mechanical aptitude

MSHA compliance knowledge

Time management

Education

High School diploma or GED

Job description

JOB SUMMARY

The Sales/Yard Loader is responsible for the safe and efficient operation of a front-end loader (typically ranging from CAT 982 to CAT 988 sizes) within an aggregate sales yard or plant environment. The primary focus of this role is to load finished products into customer trucks and/or railcars while maintaining the integrity of product stockpiles. As a frontline representative of Martin Marietta, the Loader Operator ensures a "Safety First" culture by managing traffic flow, asserting leadership over visiting drivers, and performing essential preventative maintenance to keep equipment and yard operations running smoothly.

KEY DUTIES AND RESPONSIBILITES

Safely operate heavy-duty front-end loaders to move raw materials from stockpiles to customer vehicles, ensuring accurate weight distribution and material types. Regulate the flow of materials to and from conveyors, surge piles, chutes, and storage bins to maximize plant production. Maintain the quality and separation of various product stockpiles to prevent contamination and ensure environmental compliance. May assist in operating other mobile equipment as needed, including haul trucks, excavators, or skid steers- dependent on-site requirements. Maintain safe working speeds and manage the flow of external truck drivers and equipment within the yard to prevent accidents. Strictly adhere to all MSHA compliance/regulations and Martin Marietta’s internal 24/7 Safe culture policies. Conduct daily pre-shift and post-shift safety inspections of the equipment and the working area, ensuring the presence of adequate berms and clear roadways. Ensure safe operations around high-risk areas such as conveyors, crushers, and steep surge piles. Perform routine preventative maintenance (PMs), including checking tire pressure, oil levels, and diesel fuel, and greasing all moving parts daily. Use standard operating procedures to identify and report equipment malfunctions, leaks, or mechanical issues to the maintenance team or supervisor. Keep the loading area, roadways, and plant floor clean by shoveling, sweeping, and removing debris to ensure a professional and safe environment. Maintain a professional and helpful attitude when interacting with external drivers and customers, adapting to various personalities and needs. Accurately complete daily pre-shift inspection reports, maintenance logs, and (if applicable) customer ticketing or weighing via the scale house. Communicate effectively via CB radio or hand signals with plant operators and co-workers to coordinate vehicle movements. Willion and able to use a shovel when required. Willing to work overtime and weekends as needed.

Education

High School diploma, GED, or relevant experience.

Work Experience

No prior experience is required; 6 months to 1 year of experience in the operation and maintenance of a front-end loader is preferred.

Knowledge, Skills, and Abilities

• Road specifications and slopes


• Familiarity with heavy equipment components


• Mechanical aptitude


• Troubleshooting MSHA compliance and regulations


• Time management

ADDITIONAL DETAILS

Physical Requirements Must 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 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.

Every member of our ONE Martin Marietta team is driven by our shared values of safety, integrity, excellence, community and stewardship. We are a member of the S&P 500 Index and a leading supplier of aggregates and heavy building materials. Through a network of operations spanning 29 states, Canada and the Bahamas, our teammates supply the foundational resources on which our communities thrive and grow. Our Specialties business provides high-purity magnesia and dolomitic lime products used worldwide in environmental, industrial, agricultural and specialty applications. In a world that's focused on the power of many, we believe in the power of ONE - the magic of bringing together our unique perspectives, experiences and talents to evolve a shared vision and future. Our backgrounds may vary, but our voices come together in support of the same goals. We want to build legacies for ourselves and our loved ones, strengthen our communities and safely and responsibly engage in work we know will make a difference.