JOB SUMMARY
Martin Marietta is currently looking for a Plant Operator for surface operations at the underground mine in Randolph, Missouri. 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 the Plant Operator I by controlling plant equipment and operations in a full-automated/computer-operated rock crushing plant.
Location:
Martin Marietta’s Missouri market is anchored by the Randolph Mine, a major underground limestone operation located in Randolph, Missouri. The facility supplies crushed stone and other aggregate products to contractors, municipalities, and producers across the Kansas City metropolitan area. Strategically positioned with both truck and rail access, the Randolph Mine supports regional infrastructure projects, road construction, and commercial development, making it a cornerstone of Martin Marietta’s Missouri Valley District operations.
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.