Diesel Technician Level 3

Hub Group•Memphis, TN
•$32

About The Position

The Fleet Technician 3 diagnoses, adjusts, and repairs Class 8 tractors and trailing fleet equipment. Equipment and systems include diesel engines, electrical and brake systems, cooling systems, manual and automatic transmissions, clutches, differentials, power dividers, starters, alternators, air conditioning, DPF and other aftertreatment devices, fan clutches, engine electronics, power steering, and steering. The technician performs preventive maintenance services and tire repairs as needed. The role performs advanced diagnosis and repair independently, including work on major components such as engines, transmissions, differentials, and fifth wheels. It also includes preparing equipment for trade-in or delivery, identifying and documenting warrantable repairs, road-testing vehicles when needed, ensuring compliance with DOT standards, and processing transactions in the maintenance system. The technician may mentor other technicians, provide repair instructions, assist with fleet analyses and improvement efforts, and complete other assigned projects. The position requires work in non-climate-controlled conditions, the ability to travel for training, a valid driver's license, and the technician's own sufficient hand and pneumatic tools. Compensation is stated as up to $31.92 per hour; the estimated range may change based on factors including skills, experience, education, market conditions, location, budget, and demand.

Requirements

  • At least 4 years of practical tractor-trailer maintenance experience.
  • High school diploma or equivalent.
  • Demonstrated customer service and relationship-building skills.
  • Expert understanding of fleet maintenance policies, DOT standards, and industry practices.
  • Organizational skills and ability to manage multiple activities in a fast-paced environment.
  • Specialized training and experience diagnosing and troubleshooting major components such as engines, transmissions, and differentials.
  • Required OEM training courses (FRTL or INTL).
  • Proficiency with trade tools, including welding equipment, diagnostic equipment, and hand and power tools.
  • Clean motor vehicle record.
  • Strong work ethic.
  • Excellent communication skills; ability to speak, write, read, and understand English.
  • Ability to recommend continuous-improvement ideas and actions.
  • Results-oriented approach and ability to work with minimal supervision.
  • Computer proficiency.
  • Valid driver's license.
  • Ability to work in non-climate-controlled conditions.
  • Willingness to travel for training.
  • Must provide own hand and pneumatic tools sufficient to perform required jobs.

Nice To Haves

  • Vocational, technical, or certification education.
  • ASE certification.
  • 608 and/or 609 certifications.
  • Ability to operate a service truck.

Responsibilities

  • Follow safety practices and company Standard Operating Procedures.
  • Independently diagnose and repair diesel engines, powertrains, electrical systems, HVAC, steering, electronics, engine components, brakes, suspension, tires, and aftertreatment devices.
  • Perform electrical repairs, cooling-system maintenance, and complete vehicle diagnosis.
  • Perform all levels of preventive maintenance on trucks and trailing equipment, including routine maintenance and tire repairs as needed.
  • Recondition equipment for trade-ins and prepare new equipment for delivery.
  • Maintain required annual vehicle-inspector and brake-inspector certifications in accordance with DOT requirements.
  • Demonstrate welding skills, including MIG and TIG welding, in non-standard situations and on varying materials as needed.
  • Use diagnostic software for Detroit DD15 engines and DEF/aftertreatment repairs; use Windows-based computer systems and diagnostic software.
  • Identify warrantable repairs and document them on repair orders.
  • Maintain a safe and orderly work area.
  • Road-test vehicles as needed to diagnose malfunctions or verify proper operation.
  • Perform duties efficiently and on time with minimal supervision.
  • Inspect, test, and listen to equipment to diagnose malfunctions using appropriate test instruments.
  • Examine and adjust protective guards, loose bolts, and specified safety devices.
  • Inspect and verify part dimensions and clearances against factory specifications.
  • Repair and troubleshoot major components, including engines, transmissions, differentials, fifth wheels, turbochargers, and fuel-system components; replace complete assemblies as needed.
  • Provide directions and repair instructions and mentor other technicians as needed.
  • Ensure DOT compliance and document completed work appropriately.
  • Enter and process transactions in the maintenance system.
  • Assist with fleet analyses and development of actions and strategies.
  • Complete other projects and tasks assigned by a supervisor.
  • Meet performance expectations for safety, industry SRT productivity times, truck uptime, driver satisfaction, and fleet satisfaction/repeat work.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service