Mechanic III
Listed on 2026-10-05
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Trades / Skilled Labor
Heavy Equipment Mechanic, Diesel Mechanic
Position Summary
Perform complex and difficult maintenance and repair work of mechanical engines and equipment including internal combustion equipment and diesel systems; perform diagnostic activities for electronic fuel systems and electronic computer-controlled systems and maintain and repair a variety of equipment as assigned.
This is a safety sensitive position subject to random drug/alcohol testing.
Job descriptions are intended to present a general list of tasks/duties performed by employees within this job classification.
Job Description s are not intended to reflect all duties performed within the job.
Essential And Supplemental Functions
ESSENTIAL FUNCTIONS: Essential functions may include, but are not limited to the functions listed below. Must be able to perform the essential functions of the job with or without a reasonable accommodation.
- Perform complex and difficult maintenance and repair work of mechanical engines and equipment including internal and/or spark combustion equipment and diesel systems; demonstrate a full understanding of applicable maintenance policies, procedures, methods and techniques.
- Assist in training less experienced staff within the Mechanic series; provide information and guidance on applicable maintenance policies, procedures, methods and techniques; respond to questions and assist in reviewing work products.
- Inspect and diagnose mechanical, electrical and hydraulic defects and problems in automobiles, buses, motorcycles, heavy equipment, fire apparatus and/or other mechanical equipment.
- Perform diagnostic activities for electronic fuel systems and computer-controlled systems on gasoline and diesel engines; ensure operational status of such equipment is within applicable standards.
- Perform accurate tests to determine measurement and tolerance on equipment and tools; calibrate equipment and tools accordingly.
- Perform diagnosis and repair or overhaul transmissions and final differential assemblies.
- Replace component parts on vehicles and equipment; perform engine tune-ups; rebuild and overhaul engines; perform safety inspections on vehicles and equipment.
- May perform preventive maintenance on police department vehicles, fire department vehicles (ladders, pumpers and rescue) and fire-fighting equipment; design equipment for K-9 units, SWAT team or shooting range.
- Perform welding and fabrication duties including damaged frames and parts; perform maintenance on specialized equipment including trolleys and alternative fueled vehicles.
- Estimate time, materials, and equipment required for jobs assigned; recommend the requisition of materials as necessary.
- Read and interpret blueprints and schematic wiring diagrams, hydrostatic systems and components.
- Operate shop machinery including lathes, presses, grinders and blasters.
- Maintain and update records of preventive maintenance on assigned vehicles; input information onto the computer; prepare statistical maintenance reports as necessary.
- May drive commercial class vehicles in the public right of way during delivery, pickup and road test.
- May deliver and pickup City automobiles, buses, fire trucks and heavy equipment from outside repair vendors.
- May perform emergency road calls of disabled vehicles, diagnose operational problems and perform repairs as required.
- Assist in the general maintenance and cleaning of automotive shop area.
- May coordinate and lead the work of mechanical maintenance staff; maintain efficient operation of the shop as necessary.
- Perform related duties and responsibilities as required.
Education and experience directly related to the minimum requirements below may be interchangeable on a year for year basis.
High school diploma or GED supplemented by two (2) years technical training in automotive maintenance and mechanical repair;
and
Three (3) years of experience in minor and major automotive maintenance and mechanical repair of a variety of vehicles and equipment.
Possession of valid ASE Certifications preferred.
Brake Repair Experience Preferred
ADDITIONAL REQUIREMENTS
- Possession of a valid New Mexico Driver's License, or the ability to obtain by date of hire.
- Possession of a valid City Operator's Permit (COP) within six (6) months from date of hire.
- Possession of a valid New Mexico Commercial Driver's License (CDL) Class A or B with a Passenger (P) endorsement within six (6) months from date of hire.
- Possession of an AC recovery and CNG fuel within six (6) months from…
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