Performs bus maintenance, repair, and diagnostic duties in order to restore VTA buses and related equipment to serviceable condition; Recommends, when necessary, the referral of bus repair jobs to the Overhaul and Repair facility; Removes, repairs, troubleshoots, and installs component parts of VTA vehicles such as transmissions, axles, wheels, hydraulic and electrical systems, climate control systems, valves, pumps, tanks, compressors, heat exchangers, piping, alternators, generators, starters, blowers, and fuel metering devices; Adjusts and installs engine components; Maintains and installs lighting circuits, alarms, safety circuits, interlocks, ignition systems, environmental systems, and related components; Operates shop equipment and other tools to maintain and diagnose vehicle problems; Performs service and repairs on road calls; Performs safety and preventive maintenance inspections as required by applicable Federal, State, and VTA guidelines; Prepares written reports, documents defects and repairs on inspection forms and work orders, or designated computer programs; May familiarize and/or supervise Service Mechanics, Service Workers and other classifications in the proper method of performing their job; Operates a computer for related data input and retrieval; Can be assigned lower level work of classes in job series; Performs other related tasks as required. Ability to: Perform maintenance, repair, troubleshooting, diagnostic procedures and safety/preventative maintenance inspections in relation to a variety of VTA buses and related equipment; Adjust and install engine components; Maintain and install lighting circuits, alarms, safety circuits, interlocks, ignition systems, environmental systems, and related components; Give oral and written instructions and maintain cooperative working relationships with those contacted in the course of work; Familiarize other Service Mechanics, Service Workers and other classifications in the proper method of performing their job; Properly use test and other shop equipment/tools, including oxy/acetylene and arc welding equipment; Prepare written reports, document defects and repairs on inspection forms, work orders, or designated computer programs; Perform computer-related functions that allow for data input and retrieval; Effectively read, understand, and use technical information found in repair manuals, service change bulletins, and applicable technical documents, including parts and supply manuals; Operate a variety of equipment, i.e. forklifts, scissor lifts, etc.