Class - Technician III. Technician III is defined as an employees who has achieved a Master ASE Certification within at least one of the following groups: Medium/Heavy Truck or Transit Bus. Must have minimum 3 years direct automotive repair experience (Transit or Heavy Duty preferred). Demonstrated experience monitoring and meeting PM schedules and the operations relating to any of the automotive or diesel fleet repair shop equipment. Must have an appropriate mechanic’s tool set to perform the duties of the classification “Technician III”. Must have exceptional skills and must be capable of performing all diagnostic tests and repairs on or to any vehicle assigned by the Company. Such work shall be performed in a highly competent manner and without supervision, and he shall be qualified to accept the responsibility of supervising maintenance employees in a lower classification.