Heavy Equipment Mechanic I​/II

Love getting your hands dirty and fixing things that roar, rumble, or roll? We’re on the hunt for a skilled technician with at least one year of wrench-turning experience to join our Public Works Fleet team! If you’ve got a knack for diagnosing and repairing gas or diesel-powered equipment, even better! Bring your skills as the next Heavy Equipment Mechanic to a team that keeps the city running strong.

• 2.5% Education Incentive (bachelor's degree)
• 5% Education Incentive (master's degree)

The Heavy Equipment Mechanic is responsible to maintain and make minor and major mechanical repairs to the City's transit buses, gasoline or diesel powered automotive, heavy construction, fire apparatus and other power-driven equipment; to diagnose and repair vehicle components and control systems; and to perform related duties as assigned.

The following information is provided for use as a reference and as a planning tool. Human Resources is unable to schedule make-up examinations. Applicants considered to be the most qualified will be invited to continue in the testing process. The Human Resources Department reserves the right to revise the testing process to best meet the needs of the City.

In-person Written Exam

Week of 10/19/26 or week of 10/26/26

The City of Modesto is an equal opportunity employer. We are committed to fostering, cultivating and preserving a culture of diversity, equity and inclusion. A City application is required, including Supplemental Questionnaire.

• Inspect, diagnose, and locate mechanical difficulties on City transit buses, automobiles, trucks, fire apparatus and a variety of other diesel and gasoline powered maintenance and construction equipment.
• Receive information from users, evaluate equipment problems, and determine action required for facilitating repair.
• Weld, fabricate, and assemble parts and equipment for City transit buses and automotive and heavy equipment; weld, braze, cut, shape, and fasten metal parts; fabricate and weld vehicle frames, chassis, and exhaust systems.
• Use welding equipment, drill press, lathes, grinders, and a large assortment of other power and hand tools and measurement instruments required for journey level fabrication work.
• Overhaul, repair, and adjust engines, transmissions, differentials, valves, clutches, and air and hydraulic systems.
• Tune up engines, replacing electrical, electronic, and ignition parts and cleaning and adjusting carburetors and fuel injection systems.
• Replace or repair faulty parts including wheel bearings, clutches, or oil seals, shock absorbers, exhaust systems, steering mechanisms, hydraulic systems, and related parts and equipment.
• Diagnose and repair components, including generators, alternators, distributors, relays, lights, and switches.
• Diagnose, maintain, and repair air conditioning systems, climate systems, computerized control systems, ignition systems, power steering, and cooling systems.
• Repair, adjust, and replace brake systems including disc, hydraulic, and air brakes.
• Diagnose and repair wheelchair lifts and coin collection equipment.
• Make roadside repairs as required.
• Assist in the purchasing of equipment maintenance parts and materials.
• Maintain work, time, and material records.
• Diagnose and repair various electronic and computer-controlled devices.
• Diagnose and repair emissions systems.
• Tests vehicle to ensure problem has been resolved.
• Build and maintain positive working relationships with co-workers, other City employees, and the public using principles of good customer service.
• Observe and maintain a safe working environment in compliance with established safety programs and procedures.

• Assist other…