Heavy Equipment Operator: Quarry & Plant Ops

00002 Martin Marietta Materials, Inc.; Penrose (CO); On-site; USD 39,000 - 55,000; Full time

Job summary

Martin Marietta Materials, Inc. is seeking an Equipment Operator to safely operate heavy mobile equipment in Colorado, supporting extraction, transport, and processing of aggregates. You will ensure material flows from pit to plant and manage stockpiles efficiently.

Join a safety-first site culture, perform routine maintenance, and adhere to MSHA regulations while contributing to housekeeping and cross-functional duties to sustain elite operations.

Qualifications

• High school diploma or GED, or relevant experience.
• Technical training or vocational certification preferred.
• Strong mechanical aptitude and safety mindset.

Responsibilities

• Safely operate entry-to-mid-level mobile equipment (haul trucks, water trucks, front-end loaders).
• Transport raw materials from the pit to the primary crusher and move finished products to stockpiles.
• Maintain stockpiles and ensure material separation to prevent contamination.
• Perform daily inspections and routine PM tasks; report issues per SOPs and MSHA regulations.
• Assist in plant operations and maintain clean, safe work areas.

Skills

Mechanical aptitude

Troubleshooting

Critical thinking

Safety focused

MSHA compliance and regulations

Regulatory compliance

Effective communication

Time management

Education

High school diploma or GED

Technical training and vocational certification

Job description

Martin Marietta Materials, Inc. is seeking an Equipment Operator to safely operate heavy mobile equipment in Colorado, supporting extraction, transport, and processing of aggregates. You will ensure material flows from pit to plant and manage stockpiles efficiently.

Join a safety-first site culture, perform routine maintenance, and adhere to MSHA regulations while contributing to housekeeping and cross-functional duties to sustain elite operations.