Road Service Semi-Trailer Diagnostic Technician

What you’ll do: Operate a mobile repair vehicle to perform on-site PMs, diagnostics, and repairs. Use hand tools, power tools, and precision measuring devices (calipers, etc.).Inspect electrical and air systems; repair faults to restore reliability. Complete all preventive maintenance and company-required inspections. Troubleshoot electrical, mechanical, hydraulic, and pneumatic systems. Follow repair manuals and documented procedures; execute repairs as specified. Run and care for power equipment with safety top of mind. Request parts with prior authorization; install new or reconditioned components. Function-test equipment post-repair to confirm proper operation. Finish all documentation and work orders accurately. Assist fellow maintenance staff when needed and contribute to team goals. Define the problem, outline an action plan, and follow checklists and protocols. Maintain a clean, orderly, safe workspace; keep tools and equipment in top shape. Handle shop upkeep (sweeping, cleaning, trash removal) as part of shared ownership. Follow all safety rules, PPE requirements, and practical safe-work practices. Balance independent fieldwork with collaborative teamwork. Take on other responsibilities as assigned. What you bring Valid driver’s license and a clear Motor Vehicle Report per our Driver Fleet Policy; must be insurable under DTR’s carrier (driving record and age requirements apply).Comfort reading and writing in English for documentation and adherence to driving laws and signage.1–2 years of mechanical experience (equivalent experience considered). ASE certifications preferred but not required. Mechanical aptitude plus basic math competency. Own tools and PPE: safety glasses, steel-toed shoes, hearing protection. Mandatory screening Must pass pre-employment knowledge/skill test, background check (10-year), and drug/medical physical exam. Physical expectations Lift/push/pull up to 100 lbs occasionally, 50 lbs frequently, and 20 lbs constantly. Regular standing, walking, climbing, stooping, crouching, balancing, kneeling, and crawling. Frequent hand use for grasping, typing, and tool operation. Adequate speech, hearing, and vision for inspections and safe equipment use. Where you’ll work Shop environment—indoors and outdoors—with potential exposure to: Non-climate-controlled temperatures Dirt, dust, soot, fumes, airborne particles Moving mechanical parts, electrical equipment Chemicals and limited ventilation Heights, confined spaces, loud noisePPE and safety protocols are mandatory. Pay and perks Flat Rate: $28 – $32 (DOE and location) Medical, Dental, and Vision Insurance 401(k) with company match Paid Time OffHoliday PayTraining & Development Program Monthly Productivity/Bonus Incentive Program(s) Core proficiencies we value PneumaticsVehicle electronics & computer controls Brake & suspension systems Preventive maintenance & inspection Field service readiness Vehicle & fleet welding Hydraulic systems & components

Note: Duties and responsibilities may be adjusted to meet operational needs.