Plant Operator
Listed on 2026-11-05
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Manufacturing / Production
Manufacturing & Industrial Operations, Machine Operator, Forklift Operator, Material Handler
Hours:
6:30am - 6:30pm - 55–60-hour work weeks Pay: $23-$26 an hour
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
- 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
- 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
- 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
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.
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.
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