Mechanic III

Overview

Description:

Performs advanced diagnostics and repairs across the full range of heavy equipment, trucks, and fleet vehicles with minimal supervision. Serves as a go-to technical resource for complex and recurring problems and helps develop the skills of other mechanics.

Job Responsibilities:

• Lead diagnosis and repair of the most complex equipment failures, including intermittent and multi-system problems
• Perform advanced troubleshooting on engines, drivetrains, hydraulics, electronic controls, and emissions systems
• Complete major rebuilds and overhauls to manufacturer specifications
• Recommend repair, rebuild, or replacement decisions based on equipment condition, cost, and downtime
• Coordinate major repairs, including parts, outside vendors, and scheduling, to reduce downtime and control cost
• Mentor and train mechanics on advanced diagnostic and repair methods
• Review completed work for quality and adherence to procedures when requested
• Identify recurring failures and contribute to preventive maintenance and reliability improvements
• Maintain thorough repair records and maintenance history
• Support field repairs on complex failures when needed
• Follow and reinforce safety, lockout/tagout, and environmental procedures
• Perform other related duties as assigned

Knowledge, Skills, and Abilities:

• Expert knowledge of heavy equipment systems, electronic controls, and diagnostics
• Ability to resolve complex and intermittent problems that others cannot
• Advanced skill with OEM diagnostic software, schematics, and precision measuring tools
• Understanding of equipment lifecycle, maintenance planning, and repair cost tradeoffs
• Strong mentoring and knowledge-sharing skills
• Sound judgment that balances cost, safety, and equipment availability
• Clear communication with supervisors, operators, parts staff, and vendors

Education and Certificates:

• High school diploma or equivalent
• 5+ years of heavy equipment or diesel repair experience, or an equivalent combination of training and experience
• Advanced technical certification in diesel or heavy equipment technology preferred
• ASE, OEM, or manufacturer-specific certifications preferred
• Complete set of personal hand tools
• Valid driver license; commercial driver license preferred

Physical Requirements:

• Lift and carry up to 50 pounds regularly and heavier loads with assistance or lifting equipment
• Stand, walk, bend, kneel, crouch, and work in confined spaces for extended periods
• Climb on and off equipment using ladders, steps, and handholds, and work at heights with fall protection
• Use hands and arms continuously for tool operation and repetitive tasks
• Work in shop and outdoor conditions with exposure to noise, dust, fumes, and changing temperatures
• Wear required personal protective equipment throughout the shift