What You’ll Do: Tests, services, and repairs trailers and related mechanical components. Perform in-depth diagnostics and repairs to brakes, suspension, air system, lighting system, suspension and all body panels etc. Act as mentor and assist Trailer Tech I and II when needed. Accurately complete DOT forms and all other forms of documentation in timely fashion. May require diagnosing complex mechanical, refrigerant, and electrical problems related to all Reefer systems (single multi-temp), including engine, cooling, heating and on board computer modules. May require repairs and diagnostics on starting and charging system, complex cooling and re-charge, and electrical including common fault codes. Repairs include performing leak detection procedures, compressor replacements, rebuilding throttling valves, soldering refrigerant lines, evaporator/condenser replacements and front main engine seal replacements. Identify and obtain necessary replacement parts as needed to execute repairs. Pull trailers in and out of shop using yard jockey before and after repairs. Accurately complete DOT forms and all other forms of documentation in timely fashion. Perform basic or minor repairs and inspections on brakes, tires, wiring etc. Perform basic and routine preventative maintenance on tractors and trailers Check vehicle fluids (transmission, oil, windshield wiper, antifreeze, etc.). Perform vehicle preventative maintenance (PM’s) as outlined in USX PM guideline’s Change vehicle tires. Grease mechanical parts. Clean and maintain work area on a daily basis. Maintain a high productivity level and complete jobs within or better than SRT times. May perform other duties as assigned.