Commercial Trailer Systems Diagnostic Technician

DALLAS TRAILER REPAIR CO.Commercial Trailer Systems Diagnostic Technician What a day looks like

You roll into a clean, safety-focused shop and start by walking a trailer end-to-end. You spot-check lighting, air, and braking systems, then move underneath to assess cross-members, dolly legs, tandem assemblies, and suspension components. With a clear plan in mind, you dive into repairs and routine services, documenting your action steps as you go and communicating updates to teammates and customers.

Throughout the day, you keep your bay orderly, follow established repair protocols, and make sure every job meets industry standards and manufacturer specs.

What you’ll do Inspect, analyze, and diagnose commercial trailers and related equipment to identify mechanical faults and worn parts.

Execute repairs to spec, aligned with industry best practices and OEM guidelines.

Handle routine services to keep trailers road-ready and compliant.

Perform body and undercarriage work such as air bag replacement, cross-members, dolly legs, and tandem system repairs.

Create and record step-by-step repair plans; use checklists and established procedures.

Maintain a tidy, organized bay; care for shop tools and equipment.

Champion safety rules and safe-work practices at all times.

Collaborate effectively with coworkers and also operate independently when needed.

Take on additional duties as assigned.

Qualifications

Experience:

1–2 years of mechanical or closely related hands-on experience.

Certifications:

ASE credentials are a plus but not required.

Proven mechanical aptitude and comfort with basic math.

Ability to read and write in English for documentation and communication.

Bring your own tools and PPE (safety glasses, steel-toed shoes, hearing protection).Pre-employment

Must pass pre-employment knowledge/skill test, background check (10-year), and drug/medical physical exam.

Physical demands

Heavy Work:
Exert up to 100 lbs occasionally, 50 lbs frequently, and 20 lbs constantly.

Frequent activities:
Walking, standing, climbing, stooping, crouching, balancing, kneeling, and crawling.

Manual dexterity:
Frequent use of hands and fingers for grasping, typing, and operating tools.

Sensory abilities:
Talking, hearing, & vision sufficient for detailed inspection and safe operation of tools, machinery, and vehicles.

Where you’ll work

Work is primarily performed in a shop environment—both indoors and outdoors—where you may encounter:

Non-climate-controlled conditions and temperature swings (hot/cold)
Dirt, dust, soot, fumes, and airborne particles

Moving mechanical parts and electrical systems

Chemicals and areas with limited ventilation

Heights, confined spaces, and high noise levels

Proper PPE and adherence to safety protocols are required at all times.

Compensation & benefits

Hourly Rate: $25 – $35 (depending on experience and location)
Medical, Dental, and Vision Insurance
401(k) Plan with Company Matching Paid Time Off Holiday Pay Training & Development Program Monthly Productivity/Bonus Incentive Program(s)
Shift Differentials (2nd or 3rd Shift ONLY)
This job description is not an exhaustive list of all duties or responsibilities associated with the Trailer Technician position. Dallas Trailer Repair Co. reserves the right to modify duties and responsibilities as necessary to meet business needs.
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