Surface Plant Operator - Day Shift

Martin Marietta; Missouri; On-site; USD 42,000 - 58,000; Full time

Job summary

Martin Marietta in Randolph, Missouri, seeks a Plant Operator for surface operations at an underground mine. The role assists with plant clean-up and supports surface crushing, and serves as a back-up to Plant Operator I by controlling plant equipment in a fully automated rock crushing plant.

The ideal candidate has a high school diploma and at least 1 year of related experience, with a valid US driver's license.

Qualifications

• High school diploma or GED required.
• At least 1 year of related experience.
• Valid US driver's license required.
• Heavy equipment operations or military experience preferred.
• MS Office and other computer skills preferred.

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

Skills

Ability to work with minimal supervisi

Knowledge of MSHA regulations

Effective written and verbal communic

Knowledge of machines and tools

Education

High school diploma, GED or equivalent

1+ years of related experience

Valid US driver's license

Tools

MS Office

Job description

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.

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

Disclaimer
ADDITIONAL INFORMATION
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.