Diesel Truck Master Mechanic

Key Responsibilities

• Diagnose and repair complex diesel engine problems including electronic fuel systems, turbochargers, and emissions controls
• Perform advanced diagnostics on transmissions, differentials, and drivetrain components
• Troubleshoot and repair sophisticated electrical systems and multiplexed networks
• Execute complex brake system repairs including ABS, air disc brakes, and electronic stability control
• Repair and rebuild suspension systems, steering components, and air ride systems
• Lead diagnostic efforts on difficult or unusual repair scenarios
• Mentor and train junior mechanics and apprentices
• Perform comprehensive DOT inspections and ensure regulatory compliance
• Review and approve work performed by other technicians
• Maintain manufacturer certifications and stay current with evolving technologies
• Provide technical support and guidance to service advisors
• Estimate repair costs and timeframes for complex jobs
  
  

Skills, Knowledge and Expertise

• Minimum 7-10 years experience as a heavy-duty diesel mechanic
• Multiple ASE Master Technician certifications (T-series required)
• Comprehensive knowledge of all major truck brands and systems
• Expert-level proficiency with diagnostic software and scan tools
• Proven track record of complex problem-solving and troubleshooting
• Strong leadership and communication skills
• Ability to read wiring diagrams, technical service bulletins, and schematics
• Valid driver's license with clean record
• Own comprehensive set of professional tools
  
  

• ASE Master Heavy Duty Truck Technician certification
• CDL Class A or B license
• Manufacturer-specific certifications (Cummins, Detroit, Paccar, etc.)
• Experience with alternative fuel systems (CNG, electric, hybrid)
• Welding and fabrication capabilities
• Previous shop foreman or lead technician experience
• Technical school degree or equivalent