Millwright / Plant Maintenance

Aggregate Plant Mechanic

Our purpose, commitment to the future, and formula for growth is to champion the safety, empowerment, and development of our employees. We strive to be the preferred source of quality sand, rock, landscape products, ready-mixed concrete, asphalt, paving and construction services. We succeed as a team by embracing integrity, mutual respect, innovation, service, sustainability, and financial strength.

The Aggregate Plant Mechanic is responsible for inspecting, maintaining, troubleshooting, and repairing aggregate processing equipment and plant systems to ensure safe, efficient, and reliable operations. This position works closely with plant management and production personnel to minimize downtime and maximize plant productivity. The ideal candidate will have strong mechanical aptitude, experience working with crushing and screening equipment, conveyors, hydraulic systems, and industrial machinery, and a commitment to safety and continuous improvement. This is a night shift position, requiring the ability to work evening and overnight hours as business needs dictate.

Perform preventive maintenance, inspections, and repairs on aggregate processing equipment.

Troubleshoot and repair crushers, screens, conveyors, feeders, pumps, motors, and related plant equipment.

Diagnose and repair hydraulic, pneumatic, mechanical, and electrical systems.

Perform welding, cutting, fabrication, and equipment modifications as needed.

Inspect equipment for wear, damage, and safety concerns, making recommendations for repairs and improvements.

Replace bearings, belts, idlers, pulleys, rollers, gearboxes, motors, and other plant components.

Maintain accurate maintenance records, inspection logs, and work orders.

Partner with plant management to schedule repairs and minimize operational downtime.

Assist during plant shutdowns, outages, and emergency repairs.

Operate company vehicles, forklifts, aerial lifts, and other equipment as required.

Support production goals while maintaining quality, safety, and environmental standards.

Reasonable accommodations may be made to enable individuals with disability to perform the essential functions.

Education/Experience: High school diploma or GED. Minimum 3 years of industrial, aggregates, mining, asphalt, concrete, or heavy equipment maintenance experience preferred.

Strong mechanical troubleshooting and repair skills.

Experience with conveyors, crushers, screens, feeders, pumps, and aggregate processing equipment.

Ability to read and interpret equipment manuals, maintenance documents, and schematics.

Welding and fabrication experience.

Medical Card per DOT standard.

Ability to work independently with minimal supervision.

Experience working in aggregate, mining, quarry, or construction materials operations.

Knowledge of hydraulics, pneumatics, electrical systems, and industrial controls.

Mobile equipment maintenance experience.

CDL preferred but not required.

Mechanical maintenance and repair

Welding and metal fabrication

Preventive maintenance programs

Equipment diagnostics and troubleshooting

Hydraulics, pneumatics, electrical systems, and industrial controls

Industrial safety practices

Root cause analysis

Equipment inspections

Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

The employee is frequently required to sit, climb, and use hands to signal and handle equipment. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

moving mechanical parts; Requirements for this job are subject to modification by the Company and its designees, and reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

We are a collection of hundreds of family businesses, regional companies and large enterprises that together form the CRH family. CRH operates in a decentralized, diversified structure that allows you to work in a small company environment while having the career opportunities of a large international organization.