Senior Heavy Truck Technician III – Road-Test Expert

Job Title

Heavy Truck Technician III

$65,757.44 Annually

Jacksonville, FL

Civil Service

OFFICE OF ADMINISTRATIVE SERVICES

The Fleet Management Division is actively seeking a Heavy Truck Technician III. This role involves inspecting, diagnosing, and repairing heavy vehicles, using specialized skills and equipment acquired through training and on‑the‑job experience. Responsibilities include performing preventive maintenance, general engine repair, electrical system troubleshooting, and mechanical repairs to systems such as fuel, exhaust, cooling, air conditioning, transmission, steering, suspension, and rooftop AC.

The technician will conduct road tests on vehicles with a gross vehicle weight rating of 26,000 pounds or more, prepare and maintain repair records, and perform related work as required. Physical demands include standing, stooping, bending, reaching, climbing, walking, and lifting up to 50 pounds. Operators of motor vehicles such as dump trucks, garbage packers, road tractors, bucket trucks, buses, trailers, heavy vans, pumpers, ladder trucks, quick response units, and auxiliary engines are expected.

Work is performed under general supervision with some latitude to set priorities subject to supervisor approval.

• Performs tasks of Heavy Truck Technician II
• Inspects, diagnoses, and repairs heavy vehicles for mechanical defects.
• Performs preventive maintenance such as changing oil and hoses on heavy vehicles.
• Performs general engine repair and overhaul such as adjusting clutches, replacing main and connecting rod bearings, etc.
• Troubleshoots and repairs electrical systems.
• Performs general mechanical repairs to systems such as fuel systems, exhaust systems, cooling systems, air conditioning, transmission, and steering and suspension components.
• Performs general repair to rooftop AC systems.
• Performs general repairs to RVs and Buses.
• Performs mechanical repairs to diesel or propane powered equipment.
• Road tests vehicles with a gross vehicle weight rating of 26,000 pounds or more to determine whether repairs have been completed.
• Prepares and maintains records on jobs.
• Performs related work as required.

• Knowledge of techniques, methods, and procedures used to repair heavy vehicles.
• Knowledge of standard tools and equipment of the heavy vehicle repair trade.
• Knowledge of heavy vehicle engine electrical systems.
• Knowledge of hydraulic and air-operated systems.
• Knowledge of test equipment including volt‑ohm meter, dwell meter, tachometer, micrometer, engine analyzer, and transmission pressure gauge.
• Knowledge of the hazards of the work and safety practices and procedures.
• Ability to inspect and determine mechanical repairs needed on heavy vehicles with gas and diesel engines.
• Ability to perform preventive maintenance on heavy vehicles.
• Ability to troubleshoot and perform engine and transmission repairs using a scan tool.
• Ability to read, understand, and apply repair orders and technical manuals.
• Ability to operate tools and equipment.
• Ability to operate dump trucks, garbage packers, road tractors, bucket trucks, buses, trailers, heavy vans, pumpers, ladder trucks, quick response units, auxiliary engines, and other vehicles with a gross vehicle weight rating of 26,000 pounds or more.
• Ability to prepare and maintain records.

• Three (3) years of education and/or experience in the general repair and overhaul of heavy vehicles.

• A valid driver’s license is required prior to appointment and must be maintained during employment.
• Class B Commercial Driver’s License is required during the six‑month probation and must be maintained during employment in this class.
• Must qualify for a City of Jacksonville Certification as a Public Driver during the six‑month probation and maintain it during employment.
• Possess four (4) ASE certifications in T1–T8. Must possess 4 throughout employment in this class.

• The probationary period for this class is six months.
• Upon appointment to this class, must possess minimum hand tools as required.
• This classification performs DOT functions and is subject to pre‑employment, random and other drug/alcohol testing programs as set forth in the City of Jacksonville’s Drug Free Workplace Policy (0401).

City of Jacksonville employees receive comprehensive benefits including health, dental, and vision plans; life insurance; flexible spending plans; an employee assistance program; a 457(b) tax‑deferred compensation plan; a Roth IRA plan; and an extensive wellness program that includes a health intervention program if qualified, lunch and learns, health fairs, and discounted gym memberships. The city also offers 12 paid holidays, a personal leave day, and the opportunity for Federal Student Loan Forgiveness after 10 years of public service and on‑time payments.