Service Technician - Class A

Midwest Peterbilt Group•Sioux City, IA
•Onsite

About The Position

The Service Technician- Class A performs advanced diagnostics, repair, and overhaul of heavy-duty trucks and related equipment with minimal supervision. This position services as a technical leader within the Service Department, assisting in the training and development of Class B, Class C, and Intern technicians. The Class A Technician is responsible for accurately diagnosing complex issues, completing high-quality repairs, and supporting overall shop productivity and customer uptime.

Requirements

  • High school diploma or GED required
  • 2+ years of experience in heavy-duty truck repair required
  • Intermediate computer skills required, including diagnostic software and service systems
  • Advanced diagnostic and troubleshooting skills across mechanical and electrical systems
  • Strong understanding of heavy-duty truck systems including engine, fuel, electrical, brake, and emissions systems
  • Ability to work independently with minimal supervision
  • Strong problem-solving and critical thinking skills
  • Ability to mentor and assist less experienced technicians
  • Effective written and verbal communication skills, including accurate repair documentation ("story writing")
  • Ability to use diagnostic tools, gauges, and electronic testing equipment
  • Strong attention to detail and commitment to quality workmanship
  • Ability to prioritize work and manage time efficiently
  • Strong safety awareness and adherence to shop procedures

Nice To Haves

  • Technical or diesel technology degree preferred
  • CDL preferred but not required. With a valid CDL, must be able to meet Company insurability requirements
  • OEM and ASE certifications preferred

Responsibilities

  • Perform advanced diagnostics on engines, electrical systems, fuel systems, emissions systems, and drivetrains
  • Identify root causes of complex mechanical and electrical issues and complete repairs
  • Disassemble, inspect, and rebuild components using appropriate tools and measuring devices
  • Perform inspections of critical systems including brakes, steering, fuel, and suspension
  • Test repaired systems and components to verify proper operation
  • Assist in training and mentoring Class B, Class C, and Intern technicians
  • Provide guidance and support on complex diagnostic and repair issues
  • Inspect work in process and assist with quality control when needed
  • Collaborate with team members to improve shop efficiency and effectiveness
  • Support a positive and productive team environment
  • Accurately document all diagnostics, repairs, and labor performed ("story writing")
  • Follow Company procedures for work orders, time tracking, and parts usage
  • Communicate repair status and additional needs to service advisors or management
  • Maintain productivity standards while ensuring quality workmanship
  • Keep work area clean, organized, and properly maintained
  • Follow all safety policies, procedures, and OSHA requirements
  • Properly use and maintain tools, equipment, and personal protective equipment
  • Maintain awareness of environmental and safety hazards in the shop
  • Participate in required training and certification programs
  • Ensure all work is performed in compliance with Company and regulatory standards

Benefits

  • Health, Dental, and Vision Insurance
  • Flex Spending Accounts (FSA)
  • 401(k) with Employer Matching
  • Paid Holidays and PTO
  • Tool Insurance
  • Life Insurance
  • Hospital and Critical Care Plans
  • Short and Long-term disability programs
  • IDShield and LegalShield Services
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service