Road Service Semi-Trailer Diagnostic Technician

Road Service Semi-Trailer Diagnostic Technician

Based in: PFLUGERVILLE / AUSTIN TX

Apply on Indeed or www.dallastrailer.com/careers/

Why this role matters

Keep freight moving and customers confident. As our mobile trailer expert, you’ll diagnose, maintain, and repair semi-trailers and related equipment wherever they are—safely, efficiently, and with great communication.

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 noise
• PPE 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 Off
• Holiday Pay
• Training & Development Program
• Monthly Productivity/Bonus Incentive Program(s)

Core proficiencies we value

• Pneumatics
• Vehicle 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.