Plant Operator
Listed on Martin Marietta Materials’s official careers site. Listed as of October 18, 2026. Check that it is still open and apply there.
Apply on Martin Marietta Materials’s careers site →Job description
Hours
6:30am - 6:30pm - 55-60 hour work weeks Pay: $23-$26 an hour
JOB SUMMARY
Martin Marietta is currently looking for a Plant Operator for surface operations at our Auxvasse South Quarry in Auxvasse, MO. This position is responsible for assisting with plant clean-up and providing support for surface crushing operations. This position will also serve as a back-up to Plant Operator I by controlling plant equipment and operations in a full-automated/computer-operated rock crushing plant.
Key Duties and 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
QUALIFICATIONS
Required Education and Experience: 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 Skills: Ability to work with minimal supervision
- Knowledge of MSHA regulations Effective written and verbal communication
- Knowledge of machines and tools including their design, use and maintenance
Physical Abilities
- Ability to work in an outdoor environment year-round
- Ability to work in elevated areas General physical activities include climbing stairs and ladders, lifting, pushing, pulling, stooping, reach with hands and arms, and handling material ADDITIONAL INFORMATION Disclaimer: 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.
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