Trailer repair, trailer technician, trailer mechanic, fleet maintenance, PM service, preventive maintenance, DOT inspections, brake repair, welding, fabrication, suspension repair, electrical troubleshooting, hydraulic systems, mechanical repair, trucking industry, transportation equipment, shop technician, diesel repair support, vehicle inspection, trailer diagnostics. The Trailer Technician is responsible for performing diagnostics, preventive maintenance, and repair on a wide range of trailers, including dry vans, reefers, flatbeds, cargo trailers, and utility trailers.