Sr Shop Trailer Mechanic

About the Company

Fleet Services by Cox Automotive is a leading provider of on‑site mobile maintenance and repair services nationwide, offering mobile on‑site fleet service for light, medium, and heavy‑duty trucks and trailers. The company supports customers through 50+ nationwide service centers with accident repair, painting, refurbishment and heavy mechanical repair, and provides a 24/7 in‑house call‑center.

Sr. Shop Trailer Mechanic – dedicated on‑site shop position performing certified DOT inspections, preventive maintenance inspections and light and advanced repairs on trailers and tractor‑trailer vehicles. Lead on job sites, act as a consultant for customers and perform advanced diagnostics and triage of complicated repairs.

• Perform scheduled preventive maintenance (PM), DOT inspections and follow‑up repairs on light, medium and heavy‑duty vehicles in a shop environment.
• Conduct routine maintenance such as changing oil, checking batteries, lubricating equipment and performing minor adjustments on trailer systems.
• Use hand tools, precision instruments, welding equipment, lifts and jacks to repair and fabricate trailer components.
• Document work on Repair Orders (RO) using the company‑issued device and Karmak application, including uploading pictures and completing DOT forms.
• Adhere to all safety, health and environmental policies and federal regulations (OSHA, EPA, DOT).
• Communicate with the Service Writer and Shop Manager to assess customer needs, provide information and discuss repair estimates.
• Maintain a clean and safe work environment, assist in cleanup at the end of each day and keep tools and parts organized.
• Perform advanced diagnostics, triage complicated repairs and support Shop Trailer Technicians I/II with diagnostics and parts procurement.
• Participate in and complete all company‑required safety training.
• Maintain assigned service trucks, conduct safety checks and perform pre‑post trip inspections.

• High School Diploma or GED with a minimum of 5 years experience in a related field; alternatives accepted (e.g., a degree or certification beyond HS and 3 years experience, or 7 years experience).
• Possession and supply of necessary hand tools.
• Preferred OEM training and certifications.
• Valid driver’s license; ability to obtain and maintain a Driver Qualification File.
• Must be at least 21 years old.
• Candidate must successfully pass a DOT‑regulated pre‑employment background screening and DOT physical (or provide a DOT medical card with at least 4 months validity).

• A.S.E. T8 (PMI) certification
• A.S.E. 608/609 certification*
• CDL‑A license

• A.S.E. T4 (Brakes) certification
• A.S.E. T5 (Suspension) certification
• A.S.E. T6 (Electrical and Electronic Systems)
• A.S.E. T7 (HVAC) certification

• Knowledge of trailer parts and systems, including design, repair and maintenance.
• Ability to lift, bend, climb, stand and walk for long periods and perform moderately heavy labor.
• Physical endurance to perform repetitive tasks without tiring.
• Strong judgment and problem‑solving skills using logic and reasoning.
• Excellent communication skills for two‑way interaction with customers and coworkers.
• Ability to identify the type of tools and equipment needed for each job.

• Health, dental, vision insurance from day one.
• 401(k) matching after 90 days (100% match up to 6% and an additional 2% discretionary contribution).
• Paid Time Off: up to 200 hours (5 weeks) based on tenure.
• Tuition assistance/reimbursement.
• Adoption/Surrogacy assistance.
• Pet insurance.
• Employee discounts on vehicles, cellphone plans, ride sharing, insurance and wellness incentives.
• Paid volunteer hours and participation in ERG and diversity groups.

• Weekly pay – get paid every Friday.
• Reimbursement for safety boots and glasses.
• Uniforms provided with laundry service where available.
• Technical training to advance your career.
• Dedicated career path – over 50% of front‑line managers are promoted from within.

Mid‑Senior Level

Full time

Management and Manufacturing

Truck Transportation

To connect with a recruiter while your application is being reviewed, text DFS3 to .