Night Shift Plant Laborer

00002 Martin Marietta Materials, Inc.; United States; On-site; USD 30,000 - 39,000; Full time

Job summary

Martin Marietta is seeking a Night Shift Plant Operator for surface operations at an underground mine in Randolph, Missouri. Responsibilities include plant clean-up, monitoring processes, and providing back-up for Plant Operator I in a fully automated rock crushing plant.

Qualifications include a high school diploma or GED, 1+ years of related experience, and a valid US driver’s license. MS Office skills are preferred. Candidate must work night shift in Missouri and follow MSHA regulations.

Qualifications

• High school diploma or GED or equivalent and 1+ years of related experience.
• Valid US driver’s license required; heavy equipment operations or military experience preferred.
• MS Office and other computer skills are preferred.

Responsibilities

• 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 conveyors and move materials through production processes.
• Perform basic maintenance on heavy equipment.
• Operate haul truck to assist with plant operations.
• Maintain a clean work environment and wear PPE.

Skills

Minimal supervision

MSHA regulations

Written & verbal communication

Machines & tools knowledge

Education

High school diploma or GED

1+ years of related experience

Valid US driver’s license

Heavy equipment operations or military experience

Tools

MS Office

Job description

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 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. 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.