Performs visual examinations and/or operational tests to determine the need for routine repair of building roofs, plumbing fixtures, concrete fixtures, mechanical and electrical systems, and roof roofs, plumbing fixtures, concrete, fixtures, mechanical and electrical systems and HVAC systems; Performs all the essential functions of the position of Maintenance Mechanic I and II as required; Acts as a delegate to Maintenance Supervisor in their absence; Directly supervises Maintenance Mechanics in the absence of the Maintenance Supervisor; Oversees, trains, leads and verifies work of Maintenance Mechanics I & II; Represents department in internal and external meetings; Interprets plans, specifications, and manuals; Plans and schedules maintenance activities. Performs visual examinations and/or operational tests to determine the need for routine repair of building roofs, plumbing fixtures, concrete fixtures, mechanical and electrical systems, and HVAC systems; Performs scheduled and routine maintenance on mechanical, electrical and heating systems; Installs, services and repairs ventilation units, electrical appliances, and other related equipment; Installs plumbing fixtures such as lavatory facilities, drinking fountains and sprinkling systems; Repairs plumbing systems by clearing stoppages, replacing sections of broken pipe and repair of leaky drains etc.