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Diesel Mechanic (Diag)


Job Location:

South Lyon, MI - USA

Monthly Salary: USD 65000 - 65000
Experience Required: 5years
Posted: 27 June 2026 (30+ days ago)
Application Deadline: 24 September 2026
Vacancies: 1 Vacancy

Job Summary

Diesel Mechanics! - Join a Company Where People Stay Benefits Matter and Respect Comes First.

Shift is Mon-Fri 6am-2:30am

We are looking for an experienced Diagnostic Diesel Technician to support our maintenance operations through advanced troubleshooting diagnostics and repair of diesel-powered trucks and equipment. This position requires a technician with strong electrical and emissions systems knowledge who can accurately diagnose complex mechanical failures and complete repairs safely and efficiently.


Key Responsibilities
  • Utilize OEM diagnostic software scan tools and technical resources to identify root cause failures and complete accurate repairs
  • Conduct preventative maintenance inspections and identify potential equipment concerns before failure occurs
  • Diagnose and repair mechanical electrical hydraulic pneumatic steering suspension brake and drivetrain issues
  • Maintain compliance with company safety procedures environmental regulations and maintenance standards
  • Perform advanced diagnostics and troubleshooting on diesel engines electronic controls and emissions systems
  • Accurately document diagnostics completed repairs labor and parts usage
  • Support shop operations by assisting and mentoring junior technicians as needed
  • Service and repair aftertreatment systems including DPF DEF and SCR components


Requirements


  • Ability to read and interpret wiring diagrams service manuals and technical documentation
  • Minimum 5 years of hands-on experience as a diesel technician
  • Familiarity with OEM diagnostic software electronic troubleshooting systems and scan tools
  • Must provide own basic hand tools
  • Experience diagnosing and repairing aftertreatment systems including DPF DEF and SCR
  • Strong diagnostic and electrical troubleshooting background
  • Valid drivers license required; CDL preferred or willingness to obtain
  • Experience working with diesel engine platforms such as Cummins Detroit Diesel CAT PACCAR or equivalent
  • Experience performing repairs on engines drivetrains brakes steering suspension and related heavy-duty systems





Required Skills:

Minimum 5 years of hands-on experience as a diesel technician Familiarity with OEM diagnostic software electronic troubleshooting systems and scan tools Must provide own basic hand tools Experience diagnosing and repairing aftertreatment systems including DPF DEF and SCR Strong diagnostic and electrical troubleshooting background