Master Plant Maintenance Technician

About the Role

The Master Plant Maintenance Technician is a highly skilled, hands-on maintenance professional responsible for troubleshooting, repairing, rebuilding, and maintaining ready-mix plant equipment. This senior-level position provides day-to-day technical leadership by directing maintenance and fabrication work, coaching other employees, and promoting safe and effective maintenance practices.

Responsibilities

• Conduct pre-shift and post-shift inspections of plant machinery and equipment.
• Perform scheduled preventive maintenance, including lubrication, adjustments, inspections, and component replacement.
• Diagnose and repair mechanical, electrical, hydraulic, and pneumatic equipment issues.
• Troubleshoot and replace components such as conveyor belts, idlers, bearings, pulleys, gearboxes, motors, and water pumps.
• Tear down, rebuild, and install plant equipment and mechanical components.
• Fabricate, modify, and rebuild parts as needed.
• Perform structural repairs, hard facing, welding, torch cutting, grinding, and heavy wear-part replacement.
• Assist with the maintenance and repair of mobile equipment.
• Provide technical direction to other fixed-plant maintenance employees and coordinate daily maintenance and fabrication work.
• Coach employees on preventive maintenance, equipment inspections, housekeeping, and safe operating practices.
• Identify opportunities to improve equipment reliability, reduce downtime, and extend equipment life.
• Order parts from approved vendors and maintain appropriate parts and supply inventories.
• Drive a company pickup or repair truck to obtain parts and supplies as needed.
• Complete service logs, lubrication reports, inspection records, and other required maintenance documentation.
• Maintain an organized, clean, and hazard-free work area.
• Follow all OSHA, MSHA, company safety, and environmental requirements.
• Properly execute Lockout/Tagout procedures before performing maintenance or repair work.
• Perform other related duties as assigned.

Requirements

• High school diploma or GED.
• At least five years of industrial plant maintenance experience, preferably within the ready-mix concrete, aggregate, mining, quarry, or heavy industrial industry.
• Advanced mechanical aptitude and the ability to independently complete most plant maintenance and repair assignments.
• Hands-on welding experience, including stick and flux-core welding.
• Experience using cutting torches, grinders, welding equipment, and a wide variety of hand and power tools.
• Demonstrated experience troubleshooting conveyors, pumps, motors, gearboxes, and related plant equipment.
• Ability to read and understand equipment manuals, maintenance instructions, and safety procedures.
• Strong troubleshooting, decision-making, and problem-solving skills.
• Ability to lead work activities and coach employees without requiring direct supervisory authority.
• Strong attention to detail, accountability, and commitment to workplace safety.
• Valid driver’s license and an acceptable driving record.
• MSHA certification or willingness to complete required MSHA training.

Preferred Qualifications

• Two-year technical degree, accredited apprenticeship, or equivalent technical training.
• Experience in a lead maintenance, lead technician, or senior fabrication role.
• Low-voltage electrical troubleshooting and industrial controls experience.
• Experience maintaining or repairing mobile equipment.
• Bilingual in English and Spanish.

Key Competencies

• Equipment Maintenance: Independently inspects, maintains, repairs, and rebuilds essential plant machinery.
• Troubleshooting: Quickly identifies the cause of mechanical or operational issues and implements effective repairs.
• Safety and Compliance: Consistently follows OSHA, MSHA, Lockout/Tagout, and company safety requirements.
• Leadership and Coaching: Provides clear work direction and helps employees improve their maintenance and operational skills.
• Communication and Teamwork: Works effectively with operations and maintenance teams to coordinate repairs and minimize downtime.
• Initiative and Accountability: Proactively identifies maintenance needs and follows assignments through completion.
• Documentation: Maintains accurate and timely inspection, service, and preventive maintenance records.

Pay

The anticipated base pay for this position is $30.00–$40.00 per hour. Actual compensation will be based on the candidate’s experience, technical capabilities, certifications, job-related skills, and the scope of responsibilities assigned.