Quarry Plant Operator - Auto Plant & Back‑Up Support

Martin Marietta; Auxvasse (MO); On-site; USD 32,000 - 36,000; Full time

Job summary

Martin Marietta is seeking a Plant Operator for surface operations at the Auxvasse South Quarry in Auxvasse, MO. The role includes assisting with plant clean-up and supporting surface crushing operations, and serving as a back-up to Plant Operator I by controlling plant equipment in a full-automated rock crushing setup.

Hours are 6:30am–6:30pm, 55–60 hours per week, with pay of $23-$26 per hour. Requires a high school diploma or GED, 1+ years of related experience, and a valid US driver’s

Qualifications

• High school diploma, GED or equivalent.
• 1+ years of related experience.
• Valid US driver's license.
• Heavy equipment operations or military experience preferred.
• MS Office and other computer skills preferred.

Responsibilities

• Participate in safety programs and trainings, promoting Martin Marietta’s Guardian Angel culture
• Operate skid steer to facilitate plant clean‑up
• Train and provide back‑up for Plant Operator I
• Inspect equipment for signs of wear
• Monitoring processes, materials and surroundings
• Tend to equipment such as conveyors to move materials through production processes
• Perform basic maintenance on heavy mobile equipment
• Operate haul truck to assist with plant operations
• Work in a team environment
• Clean work areas
• Proper wear of personal protective equipment
• Notify supervisors of repairs needed
• Manage multiple tasks and prioritize production needs

Skills

Minimal supervision

MSHA regulations

Communication

Machinery maintenance

Outdoor work

Climbing

Teamwork

Education

High school diploma or GED

Tools

MS Office

Job description

Martin Marietta is seeking a Plant Operator for surface operations at the Auxvasse South Quarry in Auxvasse, MO. The role includes assisting with plant clean-up and supporting surface crushing operations, and serving as a back-up to Plant Operator I by controlling plant equipment in a full-automated rock crushing setup.

Hours are 6:30am–6:30pm, 55–60 hours per week, with pay of $23-$26 per hour. Requires a high school diploma or GED, 1+ years of related experience, and a valid US driver’s