Diesel Mechanic

We are seeking a highly skilled Shop/Traveling Diesel Mechanic with extensive troubleshooting experience in medium and heavy-duty truck systems. This role is ideal for a self-sufficient, diagnostic-focused technician who can accurately identify issues and complete repairs efficiently — the first time.This position requires travel throughout Oklahoma, Texas, Louisiana, Kansas and Colorado. Candidates must be comfortable working independently in the field with minimal supervision.This is a shop/travel mechanic position. With shop being located in Oklahoma City, OK. Service truck provided.Key ResponsibilitiesTravel between job sites to inspect, diagnose, and repair medium and heavy-duty diesel trucks, skid steers, and related equipment.Perform advanced troubleshooting and repair of:Diesel enginesElectrical systemsHydraulic systemsEmissions systems (aftertreatment/DEF systems)TransmissionsA/C systemsHi-Rail gear systemsSpray systemsUtilize scan tools, diagnostic software, multimeters, pressure gauges, and other testing equipment to accurately identify mechanical and electrical failures.Perform routine maintenance, emergency repairs, and preventative services.Demonstrate strong working knowledge of diesel emissions systems and electrical diagnostics.Complete repairs efficiently and correctly on the first attempt through accurate root-cause analysis.Perform fabrication, welding, and cutting as required.Maintain service truck organization, tool inventory, and parts accountability.Maintain accurate service documentation and communicate repair updates with management.Ensure full compliance with company safety standards and DOT regulations.Work extended hours as needed and operate effectively in all weather conditions.