Heavy Diesel​/Emergency Vehicle Technician

Join a dedicated team that keeps essential County operations moving. As a Heavy Diesel/EV Technician, you will work with a wide range of advanced diesel, emergency, and specialty equipment, using your technical expertise to ensure the safety and reliability of critical fleet vehicles. This role offers hands-on, meaningful work in a professional shop environment, opportunities to grow your skills through complex diagnostics and repairs, and the chance to support vital public services every day.

This is a skilled technical position. The incumbent performs routine and complex tasks to repair and maintain County heavy-duty diesel and emergency vehicles.

The Heavy Diesel/EV Technician reports to the Fleet Operations Supervisor and supervises no staff.

• Diagnoses and repairs a wide variety of fleet vehicles to include medium and heavy-duty diesel vehicles, fire apparatus, rescue, public utility, special purpose, and other heavy equipment.
• Diagnose and repair hydraulics, brakes and air brakes, ABS, gasoline and diesel-powered engines, advanced electrical systems, multiplexed vehicle systems and onboard computers, fuel delivery, transmissions, air systems, exhaust, drive axles, steering systems, suspensions, fire pumps, foam systems, aerial apparatus, portable water pumps, water valves, foam generating systems and electrical generators, in accordance with manufacturers' instructions or manuals.
• Perform preventive maintenance on emergency response and support vehicles including oil changes and safety checks according to the preventive maintenance schedule.
• Performs computerized drivability diagnostics, repairs, tests, and adjustments on engine and emission systems, automatic transmission and transaxle, drive trains and axles, suspension and steering systems, brakes, electrical/electronic systems, heating and air conditioning systems, pumping
• Rebuilds mechanical, hydraulic, electrical, and electronic systems.
• Examines assigned vehicle to determine if further safety or service work is required or recommended.
• Drives assigned vehicles and tests systems to ensure proper operation and effectiveness of repair or service work.
• Completes related paperwork, such as requisitions and documentation of service provided.
• Performs general maintenance work on the tools, equipment, and fleet facilities as required to maintain a safe and efficient fleet operation.
• Provides emergency field assistance to disabled equipment as needed and appropriate.
• Responds after hours and on weekends as assigned.
• Performs VA State inspections.
• Performs related work as assigned.

• Hazards
  • Chemicals – Exposure to petroleum products, cleaning solvents, dust and fumes.
  • Conditions – Work is performed using heavy equipment, including noise and vibrations.
• Environment
  • Office – Primarily inside a shop but may be exposed to adverse weather.
  • Field – Must drive to test vehicles, etc.
• Physical Effort
  • Routine lifting of objects over 45 pounds.
  • Routine climbing onto and under vehicles and equipment.
• FLSA
  • Non-Exempt

• Knowledge of the principles of operation of internal combustion engines and emission systems, automatic transmissions and transaxles, drive trains and axles, suspensions and steering systems, brakes, electrical/electronic systems, and heating and air conditioning systems.
• Knowledge of the principles of mechanical repair methods applicable to medium‑heavy trucks, emergency vehicles, and heavy equipment.
• Knowledge of the hazards and safety precautions common to municipal maintenance and repair activities.
• Working knowledge of the practices, methods, materials, and tools used in modern equipment maintenance.
• Skill in operation and care of listed tools and…