Senior Diesel Mechanic

Key Responsibilities

• Troubleshoot complex mechanical, hydraulic, electrical, and electronic systems on heavy-duty diesel trucks using advanced diagnostic tools, schematics, and technical manuals (e.g., Cummins Insite, Detroit Diesel Diagnostic Link).
• Conduct routine preventive maintenance, including oil changes, filter replacements, tire inspections, brake adjustments, and chassis lubrication to ensure truck reliability and compliance with federal and state regulations.
• Replace or repair critical components such as diesel engines, transmissions, differentials, turbochargers, or brake systems.
• Perform minor welding, cutting, or fabrication tasks to repair or modify truck frames, bodies, or components as needed.
• Complete detailed service reports, document parts used, and record maintenance activities for warranty, billing, DOT compliance, and inventory purposes.
• Communicate with fleet managers or drivers to explain repairs, provide maintenance recommendations, and ensure satisfaction with service.
• Adhere to OSHA, DOT, and company safety regulations, maintain a clean work environment, and follow manufacturer protocols.
• Maintain and organize tools, service vehicles, and diagnostic equipment to ensure operational readiness for field service.

Qualifications

• Education: High school diploma or equivalent; technical diploma or certification in diesel mechanics or heavy-duty truck repair preferred.
• Experience: 2-5 years of experience repairing and maintaining heavy-duty diesel trucks (e.g., Kenworth, Peterbilt, Freightliner, Volvo, or Mack).
• Skills: In-depth knowledge of diesel engines, hydraulic systems, electrical systems, and electronic controls (e.g., ECM diagnostics). Proficiency with diagnostic tools (e.g., Cummins Insite, Detroit Diesel Diagnostic Link, or similar).