Martin Marietta

Overview

The Senior Mechanic for the Asphalt and Paving Shop is an advanced journey-level position responsible for the expert maintenance, troubleshooting, and repair of a specialized fleet of asphalt paving equipment and heavy-duty diesel trucks. This role requires a safety-first mindset and the ability to perform complex repairs in both shop and field environments while mentoring junior mechanics.

Responsibilities

• Utilize advanced electronic diagnostic software and precision testing equipment to identify malfunctions in engines, transmissions, and hydraulic systems.
• Diagnose and repair high-pressure hydraulic systems, including pumps, control valves, cylinders, and motors specifically found on asphalt pavers and screed systems.
• Troubleshoot and rewire complex electrical systems, including sensors, computerized engine controls, and lighting for night-time paving operations.
• Perform complete teardowns and rebuilds of diesel engines, transmissions, and final drive units.
• Maintain a diverse fleet including CAT/Volvo pavers, rollers, asphalt distributors, skid steers, and milling machines.
• Perform precision adjustments and repairs to paver screeds, conveyor systems, and augers to ensure consistent material flow and mat quality.
• Oversee and execute the PM schedule, ensuring all lubrication, oil analysis, and safety inspections are completed.
• Function as a lead worker, providing training and technical guidance to Maintenance Mechanics and Welders.
• Utilize computerized maintenance management systems (CMMS) to document work orders, track parts usage, and manage equipment history.
• Research and order critical components, maintaining a lean inventory of 'high fail' parts to ensure rapid turnaround on repairs.
• Perform emergency roadside or job-site repairs under tight deadlines.
• Conduct pre-shift safety inspections and ensure all repairs meet company and federal safety standards.
• Utilize oxy/acetylene torches and stick/MIG welding equipment to fabricate parts or perform structural repairs on trailers and plant equipment.
• Lead by example in the 'Guardian Angel' safety culture, identifying and mitigating hazards before they lead to incidents.
• Able to work from elevated platforms and confined spaces.
• Able to work outdoors in varied weather conditions or in a shop environment.
• Able to work overtime and weekends as needed.
• Actively participate in the hazard recognition program by documenting near-misses and implementing safety improvements.

Requirements

• High school diploma, GED, or relevant experience; Trade School certification or Associate's Degree in Diesel Technology preferred.
• CDL Class A, preferred.
• 3+ years of Heavy Equipment/Diesel Maintenance experience, with at least 2 years specifically focused on asphalt/paving equipment.
• Mechanical analysis skills.
• Knowledge of mechanical controls and diagrams.
• Familiarity with OSHA compliance and regulations.
• Strong troubleshooting and problem-solving skills.
• Detail-oriented with effective communication skills.
• Leadership and time management abilities.

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 supply own working set of mechanical tools.
• All duties require outside assignments in all weather conditions.
• Must be able to work in areas where noise levels are up to 85 dbs.