Experienced Shop Technician

Boss Truck Shops, Inc•Catoosa, OK

About The Position

The Shop Diesel Mechanic/Technician performs mechanical repairs in a timely and professional manner. The position handles preventive maintenance, inspections, roadside service, and intermediate to advanced diagnostics and repairs across diesel engines, emissions, drivetrain, wheel-end, air brake, steering and suspension, electrical, and HVAC systems. Technicians complete accurate work orders, maintain shop tools and equipment, follow safety and OSHA requirements, keep current with required training, and provide professional customer service. Advanced-level technicians may also act as technical mentors and subject matter experts, though the position has no direct supervisory responsibilities. Physical attendance at the primary work location is required, and work may also take place in roadside environments under varying conditions.

Requirements

  • Air Brake Certification required.
  • DOT Medical Card required.
  • Valid driver’s license and insurable driving record.
  • Ability to attend and successfully complete HVAC, Electrical, and DOT training.
  • Ability to obtain required ASE, DOT, and other certifications.
  • Ability to work weekends, holidays, nights, and on-call schedules as needed.
  • Reliable transportation and phone.
  • Ability to communicate effectively in English, as applicable.
  • Ability to work cooperatively with team members and deliver excellent customer service.
  • Ability to lift and/or move up to 75 pounds and to stand, walk, reach, bend, kneel, crouch, climb, and perform repetitive motions throughout the workday.
  • Ability to work in shop and roadside environments under varying conditions.
  • Physical attendance at the primary work location is required.

Nice To Haves

  • ASE certifications preferred.

Responsibilities

  • Perform preventive maintenance services, tire services, and emergency roadside service calls.
  • Conduct DOT inspections and ensure compliance with applicable regulations.
  • Perform service calls, including night and on-call assignments as required.
  • Use diagnostic platforms, including J-Pro, FleetCross, and OE software, to diagnose and repair vehicle systems.
  • Complete work orders accurately, documenting labor performed, parts used, and required warranty information.
  • Perform intermediate to advanced engine repairs, including diagnostics and work on cooling, fuel, turbo, oil, and related systems.
  • Perform emissions-system diagnostics and repairs, including DPF, EGR, sensors, and regeneration procedures.
  • Perform intermediate to advanced drivetrain repairs, including clutches, differentials, PTOs, axle assemblies, transmissions, and driveline components.
  • Perform wheel-end repairs, including bearings, seals, hubs, and spindle evaluation.
  • Diagnose and repair air systems and air brakes, including ABS systems, compressors, valves, and sensors.
  • Perform advanced steering and suspension repairs, including gear boxes, kingpins, springs, shackles, hangers, tie rods, torsion arms, and fifth wheels.
  • Diagnose and repair electrical systems, including voltage-drop and parasitic-draw testing, starters, alternators, and engine-related sensors.
  • Diagnose and repair HVAC systems, including recovery, evacuation, recharge, and work on compressors, driers, expansion devices, evaporators, condensers, and HVAC controls.
  • Maintain cleanliness and organization of the shop, tools, and equipment.
  • Ensure tools, jacks, and service vehicles are maintained in safe working condition.
  • Stay current with LMS training requirements and complete OSHA Skills Demonstrations as required.
  • Provide friendly, professional, and competent customer service.
  • Follow company safety policies, procedures, and OSHA requirements.
  • Assist with other duties as assigned.
  • Advanced-level technicians may serve as technical mentors and subject matter experts for shop personnel.

Benefits

  • Three-week training program for new team members.
  • Training program for advanced-level technicians.
  • Vacation after six months.
  • 401(k) and matching contributions.
  • Health, dental, and vision insurance.
  • Short- and long-term disability insurance.
  • Life insurance.
  • Clearly defined path for growth.
  • ASE testing paid for by the company, including a $250 bonus for each test passed.
  • On-demand pay providing access to earned but unpaid wages.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service