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City of Torrance
Class Code: 5515

Class Designation: Civil Service

September 1995

Representation Unit: Torrance Municipal Employees
(AFSCME Local 1117)


Senior Mechanic


Under general supervision, performs skilled mechanical work in the diagnosis, maintenance and repair of medium and heavy duty vehicles and equipment such as buses, refuse trucks, graders, tractors, sweepers and heavy duty trucks; and performs related work as required.

Distinguishing Characteristics

Distinguished from Fleet Services Manager and Fleet Services Supervisor in that the incumbent does not have administrative responsibilities such as assigning or coordinating work assignments. Distinguished from Mechanic in that the incumbent works primarily on medium and heavy duty vehicles and equipment.

Examples Of Duties

  • Diagnoses problems and determines the extent of repairs or adjustments needed for medium and heavy duty vehicles and equipment.
  • Maintains, adjusts, repairs, rebuilds and overhauls operating systems including, but not limited to, electrical, charging, starting, fuel, ignition, cooling, air conditioning, heating, suspension, braking, steering and hydraulic systems.
  • Maintains, adjusts, repairs, rebuilds and overhauls components such as engines, transmissions, drive shafts, differentials, air brakes, radiators and bodies.
  • Operates vehicle testing and operating equipment.
  • Builds and fabricates special bodies, housings, brackets and accessories using machining tools and equipment.
  • Enters repair orders and keeps maintenance records of time spent, materials and parts used and type of work performed in automated system.
  • Provides technical direction and training to Mechanics and Equipment Attendants.
  • Organizes, cleans and maintains work shop area.
  • May drive vehicles into and out of service bays and perform road tests.
  • Minimum Qualification

    Knowledge of
  • Methods, tools, materials, equipment and procedures used in the diagnosis, overhaul, repair and adjustment of components and systems for medium and heavy duty vehicles and equipment;
  • Operating principles of gasoline and diesel engines and fuel injection systems;
  • Mechanical, electrical, electronic and hydraulic systems;
  • Overhaul procedures related to transmissions, brakes and rear axles;
  • Techniques and procedures of mechanical tune-up, smog testing, general repair and maintenance practices;
  • Safety rules and precautions related to the use of tools, vehicles and equipment;
  • Ability to
  • Diagnose mechanical problems, make adjustments and repairs to systems and components of medium and heavy duty vehicles and equipment;
  • Demonstrate skill in the use of tools and equipment such as valve machining equipment, brake lathe, engine analyzer, battery, starter, cooling system and voltage testers;
  • Read and understand maintenance and specification manuals;
  • Follow oral and written instructions;
  • Prepare work orders and records of service performed;
  • Communicate and work effectively with co-workers.
  • Education

    No specific minimum required.


    Four years of recent skilled mechanical experience, at least one of which includes servicing and repair of heavy duty vehicles and equipment. Satisfactory completion of courses in the repair of heavy-duty vehicles and equipment may be substituted for the one year of heavy duty vehicle and equipment experience required. Courses must be approved by the Civil Service and Fleet Services Department and must include hydraulic, electrical, fuel systems, engine and transmission overhaul.

    Special Requirements

    A valid Class B California driver's license within six weeks of hire date. Must provide own tools to perform job duties.