Mechanic I ​/ II ​/ III - South County

Job Title

Under minimal supervision, performs preventive maintenance, skilled repairs and outfitting of a wide variety of County vehicles, transit vehicles, and light-to-heavy duty trucks and equipment; ensures that all vehicles and equipment are in safe and operational condition; observes safe work methods and makes appropriate use of related safety equipment; and performs related work as required.

Management reserves the right to add, modify, change, or rescind the work assignments of different positions and to make reasonable accommodations so that qualified employees can perform the essential functions of the job.

• Inspects, diagnoses, and locates mechanical difficulties on County automobiles, trucks, transit vehicles, and a variety of diesel, gasoline, electric, and natural gas-powered maintenance and construction equipment.
• Overhauls, repairs, and adjusts engines, transmissions, differentials, and clutches; tunes up engines; diagnoses fuel injection problems; replaces ignition parts; cleans and adjusts carburetors.
• Replaces or repairs faulty parts including wheel bearings, clutches, oil seals, shock absorbers, exhaust systems, steering mechanisms, and related parts and equipment on County vehicles and off-road equipment.
• Ensures that all vehicles and equipment are in safe and operational condition; makes emergency road-side vehicle and equipment repairs; performs on-site field repairs to stationery or disabled equipment.
• Performs electric and oxy-acetylene welding in the fabricating and repair of equipment, structures, tools, and other related parts; designs, lays out, and fabricates equipment parts; rebuilds broken equipment and parts as necessary.
• Adjusts, repairs, replaces, and rebuilds carburetors, fuel injection systems, and other fuel system components.
• Installs, troubleshoots, adjusts, replaces, repairs, and rewires electrical components such as ignition, signals, lights and electrical controls, including computer-controlled components.
• Repairs and rebuilds hydraulic and pneumatic apparatus such as backhoes, loaders, booms, and lifts.
• Adjusts and repairs or rebuilds drum and disk braking systems, valves, master cylinders, and pneumatic or other hydraulic controls.
• Repairs and replaces suspension and steering components.
• Adjusts, repairs, overhauls, and prepares for job shop automatic and manual transmissions, differentials, transfer cases, power take off drives, clutches, and related drivetrain components.
• Repairs and maintains hand-held and walk-behind power equipment.
• Performs limited body and frame repair.
• Assists other maintenance and mechanical personnel in the performance of complex or emergency duties as necessary.
• Orders materials, parts, and supplies required for maintenance and repair work; assists in stocking supplies and maintaining inventory records.
• Reads and interprets technical manuals and blueprints to facilitate installation, servicing, repair, and replacement services and activities.
• Observes safe work methods and makes appropriate use of related safety equipment as required.
• Maintains public facilities, shop and garage areas, storage sites, and other work areas in a clean and orderly condition, including securing equipment and tools at the close of the workday.
• Prepares and maintains records of work performed, time, and materials used in each project.
• Provides needed information and demonstrations concerning how to perform certain work tasks to new employees in the same or similar class of positions.
• Performs other duties as assigned.

Knowledge of:

• Principles, practices, tools, equipment, and materials used in the maintenance and repair of automobiles, light- and heavy-duty trucks and equipment, snow removal, and other specialized equipment, including hydraulic and computer-controlled systems.
• Operating and repair characteristics of a wide variety of County owned equipment and components.
• Methods and techniques of reading and interpreting manuals and schematics associated with vehicle and equipment repair work.
• Methods and techniques of estimating time and materials needed for assigned projects.
• Principles and practices…