HVAC​/R Technician; Facilities And Fleet Management

The Arapahoe County government serves its communities in ways both obvious and obscure. As the beating heart of local and regional government, we’re here for our neighbors on their best days—and their worst. We share our residents' goals of preserving our quality of life and strive to be the place we’re proud to call home.

Primarily responsible for inspecting, repairing, replacing parts and performing preventative maintenance on a variety of HVAC/R equipment including packaged roof top units (RTUs), Air Handling Units (AHUs) with economizers, make‑up air units, fan powered Variable Air Volume Units (VAV) boxes, cooling towers, boilers, chillers, unit heaters, water‑cooled heat pumps, ground source heat pumps, Indirect Direct Evaporative Cooling (IDEC) units, evaporative condensers, waste oil burners, circulating water pumps, walk‑in coolers and freezers, air compressors, exhaust fans, working with PC based work order system, Direct Digital (DDC) controls, Building Automation Systems and associated systems such as Fire Alarm and smoke evacuation systems.

• Operate, maintain and troubleshoot HVAC/R and all other HVAC/R related building systems including associated plumbing and electrical systems.
• Working with Building Automation Systems (BAS), work order tracking system, electrical repair and troubleshooting, water treatment and testing.
• Fulfill the requirements for Environmental Protection Agency (EPA) CFC certification and assist with the maintenance of site records for refrigerant recovery.
• Coordinate maintenance efforts with in‑house maintenance workers and outside contractors as directed by the HVAC/R Supervisor.
• Assist with, and on some occasions, manage installation and modification of building HVAC/R equipment and related systems.
• Provide operational input, evaluate and recommend upgrade maintenance operations and/or implement savings opportunities to the HVAC/R Supervisor.
• Make periodic preventative maintenance inspections for all HVAC/R Systems and sub‑components and maintain all equipment as required per the Preventive Maintenance requirements.
• Prepare and maintain maintenance logs and records. Input time into computer maintenance management systems and navigate to all fields that are applicable.
• Respond quickly to emergency situations. Prioritize service calls, and follow‑up to completion.
• Adhere to all site standards for safety, quality, housekeeping and security.

• Ability to communicate effectively in English, and to effectively present information either orally or in writing to other employees, supervisors, engineering personnel, and client representatives.
• Ability to communicate with, establish and maintain effective working relationships with superiors and fellow workers and other departments.
• Ability to follow oral and written instructions.
• Ability to perform physical tasks assigned to this position.
• Ability to read and interpret mechanical and electrical drawings, wiring diagrams, and specifications in making installations or repairs.
• Knowledge of building systems, including HVAC/R, electrical, fire and sprinkler and plumbing systems.
• Ability to understand, diagnose, service, repair and install HVAC/R equipment and indoor air quality (IAQ) products.
• Ability to perform journeyman level HVAC/R equipment repairs, installations, and maintenance on all HVAC/R Systems and associated support equipment. Ability to effectively troubleshoot and repair mechanical systems and components within the HVAC/R Systems etc., compressors, condenser systems, evaporator systems, cooling & heating support equipment. Knowledge of using standard equipment common to the HVAC/R field, e.g. meters, vacuum pumps, refrigerant gauge/hose manifolds to test system pressures and to evacuate and recharge the systems.
  
  Knowledge of troubleshooting and repairing power and control circuits within the HVAC/R Systems. Knowledge of troubleshooting, repair and parameter adjustment of variable frequency drives on HVAC/R Systems and associated sub‑system components. Knowledge of PLC/DDC (Programmable Logic Controller/Direct Digital Control) Control Systems…