Have half of the following certifications with the other half achieved in 90 days of employment:* A current ASE certification in Medium/Heavy Truck Brakes (Test T4)* A current ASE certification in Medium/Heavy Truck Suspension and Steering (Test T5)* Have one or all certifications in Cummins, Detroit or Maxx Force 13 Engines* Brake systems and components* Tractor diagnostics and repairs* Spicer-fuller, Eaton transmissions* Spicer-fuller, Eaton differentials* Have knowledge of OSIIA, EPA, DOT and CSA related procedures and safety regulations.* A Supervisor must be able to teach and mentor other technicians, including but not limited to, company policies and procedures, repair functions, work orders, assist in evaluation of shop Teammates, recording of data into the maintenance software system, maintaining an accurate parts inventory, and the requirements for maintaining a clean and safe working environment.