Martin Marietta

Overview

The Plant Maintenance Technician is responsible for the inspection, troubleshooting, repair, and proactive maintenance of all stationary and mobile equipment within a Ready-Mix concrete facility. This role is critical to ensuring 'Safety First' operations while minimizing plant downtime and maximizing production yield.

Responsibilities

• Inspect, repair, and replace components on conveyor systems, shakers, pumps, and gearboxes to ensure continuous plant flow.
• Maintain and calibrate batching equipment, including scales, gate rams, aerators, and admixture dispensers.
• Troubleshoot and repair air compressors, cylinders, and valves essential for the operation of bin gates and material discharge.
• Perform mechanical repairs and preventative maintenance on rolling stock such as front-end loaders and skid steers.
• Complete all lubrication, filter changes, and inspections according to the company’s Maintenance Module and schedule.
• Study equipment performance trends to identify systemic maintenance needs and suggest upgrades to improve plant availability and yield.
• Review and prioritize the maintenance backlog with the Supervisor/Plant Manager to address critical repairs during scheduled downtime.
• Perform professional-grade MIG/Stick welding and torch cutting for equipment fabrication, structural repair, and plant erection.
• Use electrical and pressure testing equipment to diagnose malfunctions in electrical circuits or hydraulic lines.
• Manage general facility maintenance including basic plumbing, lighting, and structural integrity of bins and silos.
• Conduct daily pre-shift safety inspections of equipment and work areas; identify and mitigate potential hazards immediately.
• Ensure all work complies with Martin Marietta safety standards, as well as OSHA and DOT regulations.
• Maintain accurate, detailed records of all maintenance activities, parts used, and safety inspections within the company’s digital tracking systems.
• Partner with outside vendors to procure specialty parts or specialized technical support for complex repairs.
• Operate mobile equipment (loaders, man-lifts) as needed to support production or facilitate repairs.

Requirements

• High school diploma, GED, or relevant experience.
• 1+ years of experience related to Heavy-Duty Maintenance jobs or equivalent combination of training and experience, preferably in Ready-Mix.
• Knowledge of equipment analysis and general repair concepts.
• Troubleshooting skills.
• Understanding of OSHA compliance and regulations.
• Problem-solving skills.
• Detail oriented.
• Time management skills.

Benefits

• Health Insurance
• Dental
• Vision
• PTO
• 401k

Additional Information

• Must be able to lift and carry up to 50 lbs.
• Required to bend, stoop, climb, and reach.
• Must be able to work in areas where noise levels are up to 85 dbs.
• Plant Maintenance Technicians are required to provide their own hand tools.