Demo

Maintenance Tech

Rock County
Janesville, WI Full Time
POSTED ON 4/15/2026
AVAILABLE BEFORE 4/26/2026
To perform skilled maintenance work at the Rock County Jail/Sheriff's Department facility in several different disciplines; direct digital control systems, heating, ventilation, air conditioning, electrical, plumbing, building service, and grounds

60% Troubleshoot, maintain and repair a variety of equipment and systems.
  • Digital and analog controlled devices including electrical/pneumatic controls, analog temperature sensors, digitally controlled low voltage relays, pressure differential sensors and   humidistats.
  • Hot water boilers, hot water systems, pumps, bearings, pulleys, sheaves, and associated equipment required to maintain a hot water heating system.
  • Chilled water compressors, cooling towers, chilled water systems, evaporators, condensers, pumps, motors, pulleys, sheaves, bearings, and associated equipment required to maintain air conditioning systems
  • Air handling equipment, including filters, coil, dampers, actuators, motors, belts, pulleys, sheaves, bearings, shafts, and associated equipment required to maintain a ventilation system.
  • Sinks, toilets, faucets, flushometers, valves, piping, drinking fountains, and associated equipment required to maintain a plumbing system.
  • Electrical equipment including fixtures, interior and exterior lighting, switches, contactors, starters, emergency generators, and associated equipment required to maintain an electrical system
  • A variety of commercial mowers and grounds equipment.
  • Fire protection systems.
  • Secured Detention equipment
  • CCTV Equipment

25% Perform routine building maintenance and services
  • Maintain, repair, and replace flooring, painting, and drywall as needed.
  • Repair office furniture, move office furniture, and transport furniture and other items to off-site facilities.
  • Change light bulbs as necessary.

10% Maintenance of building and Grounds
  • Mowing (as needed), trimming, pruning, and landscape maintenance.
  • Planting flowers and shrubs.
  • Watering and weeding.
  • Cleaning of grounds including parking areas.

5% Perform other duties as assigned
  • Working knowledge and experience operating computer controlled HVAC systems. Knowledge of HVAC life safety interfacing and relay logic
  • Working knowledge of a hot water heating system and air conditioning systems.
  • Working knowledge of ventilation, plumbing, and electrical systems.
  • Ability to maintain buildings and grounds.
  • Working knowledge of fire protection systems, secured detention equipment, and CCTV equipment.
  • Ability to perform the required maintenance services at leased facilities.
  • Ability to work with and coordinate work with contracted service agencies.
  • Ability to prioritize work projects.
  • Ability to work with contractors.
  • Graduation from a high school or its equivalent. Three years experience in HVAC maintenance, operation of direct digital control systems, electrical maintenance and plumbing; or equivalent combination of training and experience which provides the knowledge, skills and abilities to do the job.
  • Must possess and maintain a current unrestricted (not due to corrective lenses) driver's license and auto insurance pursuant to the Rock County Administrative Policy and Procedure 5.02 and 5.27.
  • Able to pass a criminal backgroung investigation due to working in secure facilities.
  • Ability to maintain confidentiality due to working in secure facilities.
Physical Elements
  • Lift, push, pull
  • Must be able to lift 50 lbs.
  • Carry 50 lbs. up stairs; to roof.
  • Pull 50 lbs. up to roof.
  • Shovel/push snow by hand (sidewalks)
  • Bending, squatting, kneeling
  • Must be able to bend, squat, kneel, in order perform maintenance activities on cell - combi-units, security elements, dispatch stations, and plumbing chases.
  • Under floor work, run wiring, change equipment.
  • Climbing, overhead work
  • Must be able to climb stairs, ladders, roof access ladders.
  • Must be able to work for a sustained period of time on ladders to change lights, repair fixtures, door maintenance.
  • Must be able to work off a lift platform/climb scaffold.
 
Equipment Use
  • Variety of electric and non-electric hand tools, multi-meter testing equipment, sewer augers, lift platform, scaffolding, walk behind snowblowers, mowing equipment, weed eaters, hand shovels, weed sprayers.
  • Operation of motor vehicles including pick-up trucks with plow and salter attachments, box trucks, lift gates, tractors and skid steers with a variety of grounds keeping attachments.
 
Working Conditions
  • Both indoor and outdoor work during all four seasons - Winter, with cold, ice and snow; Summer, with high heat and humidity.
  • CPR/AED certification
  • Possible exposure to blood and/or body fluids.

Salary : $27 - $30

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