Maintenance Mechanic
Class Specifications – G.15
Maintenance Mechanic Assistant Supervisor – 8121
Maintenance Mechanic Lead – 8122
Maintenance Mechanic – 8123
June 1992, Updated September 2026
Series Concept
Maintenance Mechanics perform a variety of skilled tasks in the maintenance, alteration and repair of utilities, buildings and related facilities and equipment. Incumbents maintain and repair mechanical and electrical equipment and facilities including plumbing and pipe-fitting; heating, air control and filtration systems and equipment: repair fume hoods, exhaust and supply fans and evaporation coolers replacing fan belts, filters, bearings and shafts; repair time set dump valves, water tanks, water wheels, and supply valves and floats; repair; restore and maintain structures, woodwork doors, windows, counters and cabinets, construct concrete forms for walks and foundations; repair and replace window blinds and screens, projection screens and window glass; repair stair treads, stage equipment, basketball lift arms and cables; maintain dishwasher conveyer belts, refrigerators/freezers and other mechanical kitchen equipment; repair ceilings, sub-floors, ceramic and vinyl tile, plastered walls, sheet rock paneling, roofs, and perform caulking of buildings; maintain and operate low pressure boilers; and instruct or lead semi-skilled or unskilled assistants.
Class Concepts
Maintenance Mechanic Assistant Supervisor
Under general supervision, incumbents serve as working supervisors for a specific work crew of maintenance mechanics and helpers within the shop (e.g., construction crew) that carry out assignments at a variety of jobs. Responsibility for supervising various work crews may shift frequently as work priorities change. Incumbents also assist the supervisor in establishing daily job schedules; ensure work priorities are carried out; assist the supervisor in evaluating job performance and may recommend disciplinary actions as necessary; may assist the supervisor with job estimating. Incumbents assume supervisory duties when their supervisors are absent.
Lead Maintenance Mechanic
Under supervision, incumbents serve as work leaders for a small group of maintenance mechanics and helpers assigned to a specific job. Incumbents provide instructions on assigned tasks; may make minor changes in material needs or modifications to assigned work due to material delays or other problems; communicate work order revisions, material delays, or other problems to the supervisor or assistant supervisor; maintain time and material records and perform the full range of job duties as outlined in the series concept.
Maintenance Mechanic
Under supervision, incumbents perform the full range of duties as outlined in the series concept.
Minimum Qualifications
Applicants for positions in the Maintenance Mechanic Series are expected to possess the skills, knowledge, and abilities essential to the successful performance of the duties assigned to the position.