Aggregate Maintenance/Operator

JRJ Group; Springfield (OH); On-site; USD 30,000 - 39,000; Full time

Job summary

JRJ Group in Springfield, OH is seeking a self-motivated Maintenance Operator to operate and maintain heavy equipment at our facility. You will oversee the aggregate plant, run a front-end loader (after training), perform routine inspections, and respond quickly to issues to minimize downtime.

This full-time role emphasizes mechanical problem-solving, hands-on fabrication, and strict safety compliance. You will work with PLCs, welding tools, and various hand and power tools, contributing to

Qualifications

• High school diploma, GED, or HSE required.
• Prior plant or industrial experience preferred.
• Ability to lift 50 lbs. and work in varying weather.
• Overtime and weekend availability may be required.

Responsibilities

• Operate a front-end loader safely and efficiently to feed material into the aggregate processing plant.
• Perform routine equipment inspections and complete daily preventative maintenance and safety checks.
• Use PLCs for basic operation and system monitoring as required.
• Conduct diagnostics, maintenance, and repair of plant equipment including screens, conveyors, crushers, and motors.
• Replace and adjust mechanical components to ensure proper equipment function.

Skills

Mechanical Aptitude

Heavy Equipment Operation

Welding & Fabrication

Safety Awareness

Communication

Physical Endurance

Education

High school diploma, GED, or HSE

Tools

Grinders

Cutting torches

Impact wrenches

Job description

Do you want to operate and work on modern well-maintained equipment for a change? Are you mechanically inclined? Do you have experience operating heavy equipment?

We are currently seeking self-motivated and dependable full-time Maintenance Operator. As a Maintenance Operator, you will regularly be maintaining/fixing equipment, operating the aggregate plant, and operating a front-end loader (once trained).

Maintenance Operators work in a fast-paced environment and are provided with a variety of challenges. We are proud to use modern and well-maintained equipment. Being able to think and act on your own is very important for this role.

Core Competency Areas & Responsibilities:

Equipment Operation & Production Support

• Operate a front-end loader safely and efficiently to feed material into the aggregate processing plant.
• Perform routine equipment inspections and complete daily preventative maintenance and safety checks.
• Use programmable logic controls (PLCs) for basic operation and system monitoring as required.

Mechanical Maintenance & Troubleshooting

• Conduct diagnostics, maintenance, and repair of plant equipment including screens, conveyor belts, crushers, and motors.
• Replace and adjust mechanical components to ensure proper equipment function.
• Maintain operational continuity by identifying wear or failures and correcting issues quickly.

Fabrication & Tool Use

• Use welding, cutting, and fabrication skills to repair or reinforce plant components as needed.
• Operate a variety of hand and power tools including grinders, cutting torches, impact wrenches, and more.
• Maintain tools and equipment in safe, working condition.

Safety & Compliance

• Work in compliance with all company policies, safety protocols, and environmental regulations.
• Support the creation of a safe work environment through hazard recognition and proactive risk mitigation.
• Participate in safety meetings and training programs.

Key Skills & Qualifications:

• Mechanical Aptitude: Ability to identify, troubleshoot, and repair mechanical systems and equipment.
• Heavy Equipment Operation: Experience operating front-end loaders or similar equipment.
• Welding & Fabrication: Basic to intermediate welding and fabrication experience.
• Safety Awareness: Commitment to maintaining a clean, hazard-free, and compliant work environment.
• Communication: Strong verbal and written communication skills for reporting and coordination.
• Physical Endurance: Ability to lift 50 lbs., work in inclement weather, and climb ladders/stairs up to 24 feet.

Minimum Requirements:

• High school diploma, GED, or High School Equivalency (HSE).
• Valid driver's license.
• Prior experience in a plant or industrial setting, particularly with aggregates or construction materials.
• Ability to work overtime, weekends, and flexible shifts as needed.

EOE/M/F/Disabled/Veteran/DFSP