Night Shift Plant Laborer

JOB SUMMARY Martin Marietta is currently looking for a night shift 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 IInspect 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 needsQUALIFICATIONSRequired

Education and Experience:

High school diploma, GED or equivalent1+ 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.