Plant Operator - Surface Crushing & Equipment Backup

00002 Martin Marietta Materials, Inc.; Auxvasse (MO); On-site; USD 32,000 - 36,000; Full time

Job summary

Martin Marietta Materials, Inc. is seeking a Plant Operator for surface operations at the Auxvasse South Quarry in Auxvasse, MO. The role involves assisting with plant clean‑up and supporting surface crushing operations, with back‑up duties for Plant Operator I in a fully automated plant.

Hours are 6:30am–6:30pm, 55–60 hours per week. Applicants should have a high school diploma or GED, 1+ year experience, and a valid US driver’s license. We value safety, teamwork, and proactive maintenance.

Qualifications

• High school diploma or 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.
• Monitor 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.
• Wear personal protective equipment properly.
• Notify supervisors of repairs needed.
• Manage multiple tasks and prioritize production needs.

Skills

Self‑direction

MSHA regulations knowledge

Strong communication

Machine/tools knowledge

Education

High school diploma or equivalent

Tools

MS Office

Job description

Martin Marietta Materials, Inc. is seeking a Plant Operator for surface operations at the Auxvasse South Quarry in Auxvasse, MO. The role involves assisting with plant clean‑up and supporting surface crushing operations, with back‑up duties for Plant Operator I in a fully automated plant.

Hours are 6:30am–6:30pm, 55–60 hours per week. Applicants should have a high school diploma or GED, 1+ year experience, and a valid US driver’s license. We value safety, teamwork, and proactive maintenance.