(USA) Truck Shop Refrigeration Technician - Lewiston, ME (1st Shift)

Walmart•Lewiston, ME
•$37 - $41•Onsite

About The Position

This position is responsible for performing preventive maintenance, diagnostics, and repairs on Transport Refrigeration Units (TRUs) and trailers. This includes working on refrigeration systems, electrical systems, climate control systems, APUs, heaters, A/C units, and various trailer components. The role also involves servicing tractor-trailer braking systems, performing tire services, managing fuel deliveries, processing warranty claims, and diagnosing equipment issues. Accurate documentation and compliance with company policies and DOT regulations are essential. The role also emphasizes teamwork and supporting fellow technicians to ensure equipment reliability.

Requirements

  • TRU/Refrigeration diagnostics and repair
  • Electrical and mechanical troubleshooting
  • HVAC, APU, heater, and A/C system repair
  • Trailer and brake system maintenance
  • Tire installation, repair, and alignment
  • Diagnostic tool and computer proficiency
  • Preventive maintenance experience
  • DOT and safety compliance knowledge
  • Problem-solving and technical decision-making
  • Documentation and warranty administration
  • Strong teamwork and communication skills
  • 3 years’ experience in trailer refrigeration maintenance and repair (e.g. diagnostic and component replacement)
  • EPA Section 608 Refrigerant Handling Certification
  • Valid state-issued driver's license.
  • Brake inspection qualified as defined in the Federal Motor Carrier Safety Administration regulations, Section 396.25.
  • Vehicle Inspection qualified as defined in the Federal Motor Carrier Safety Administration regulations, Section 396.19.

Nice To Haves

  • Class A Commercial Driver's License (CDL)
  • Department of Transportation (DOT) driver's certification.
  • Maintaining tractors and trailers (e.g., preventative maintenance, repairs)
  • Thermo King Master Tech, Carrier Master Tech or equivalent
  • Using computer applications (e.g. email, spreadsheets, word processing)
  • ASE Certification

Responsibilities

  • Perform preventive maintenance, diagnostics, and repairs on Transport Refrigeration Units (TRUs) following OEM procedures, including refrigeration systems, electrical systems, climate control systems, APUs, heaters, A/C units, and trailer refrigeration components.
  • Maintain and repair trailers, including electrical wiring, lighting, landing gear, interior panels, roofs, flooring, doors, thresholds, and tire seals.
  • Service and repair tractor-trailer braking systems (hydraulic, air, ABS/EBS), including inspections, adjustments, and component replacement.
  • Perform tire services, including installation, removal, flat repairs, balancing, and advanced axle alignments using electronic alignment equipment.
  • Receive fuel deliveries, conduct fuel sampling, monitor fuel levels, ensure safety compliance, and complete required documentation.
  • Process warranty repairs and claims, including accurate documentation, tagging, parts retention, and claim submission.
  • Diagnose equipment issues, identify repair solutions, order parts, and perform maintenance on tractors, trailers, forklifts, shop equipment, service vehicles, air compressors, and other fleet equipment.
  • Complete work orders, maintenance records, logs, and documentation while ensuring compliance with company policies and DOT regulations.
  • Collaborate with and support fellow technicians to maintain equipment reliability and operational excellence.

Benefits

  • Medical, dental, and vision coverage
  • 401(k) and stock purchase plan
  • Company-paid life insurance
  • PTO and PPTO
  • Parental, family care, bereavement, jury duty, and voting leave
  • Short- and long-term disability coverage
  • Associate discounts
  • Adoption and surrogacy reimbursement
  • Military Leave Pay
  • Live Better U education benefits, including degree, certificate, and English language programs fully paid by Walmart
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service