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HVAC/R Technician (Facilities And Fleet Management)

**Job Number:** 318

**Salary:** $29.76 - $44.64

**Department/Office:** Facilities and Fleet Management

**Division:** Facility Operations

**Location:** 6974 S. Lima St., Centennial, CO, 80112

**Job Type** : Hourly Full-Time

**Posting Date:** 01/12/2026

**Closing Date:** 02/12/2026

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.

GENERAL DESCRIPTION OF JOB:

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.

DUTIES:

+ 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.

REQUIREMENTS:

Skills, Abilities and Competencies:

+ 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. gg; 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 where the HVAC/R Systems are either controlled and/or monitored via a Building Management System (BMS) or local stand-alone control loop hardware. Knowledge of troubleshooting and repair of Instrumentation and Controls devices within the HVAC/R Systems. Skilled in brazing and soldering of copper piping and tubing systems. Knowledge of the safe use of standard hand tools, mechanical and electrical testing equipment.

Behavioral Competencies (these are required for all positions at ACG):

+ Accountability

+ Accessibility

+ Inclusivity

+ Integrity

Education and Experience:

+ High School diploma or GED equivalent

+ Must possess EPA universal certification for refrigerants

+ Three (3) years of prior experience in building operations/engineering and maintaining HVAC/R equipment and systems.

+ Any equivalent combination of education and work experience that satisfy the requirements of the job will be considered.

Preferred Education and Experience:

+ Associates degree or HVAC certificate

+ Stationary Engineer operating license desired

Pre-Employment Additional Requirements:

+ Must successfully pass pre-employment testing which includes an acceptable motor vehicle record (MVR) and background check.

+ Possession of a valid Class “R” Colorado Driver’s License or the ability to obtain one within two weeks of appointment.

+ Security clearance required. Will require fingerprinting and a Colorado Bureau of Investigation (CBI) background check.

Post-Employment Requirements:

+ Work is “on-call” for HVAC/R emergency issues, one week a month on a rotating basis.

+ Position is deemed essential, and incumbents must be available for winter storm emergencies and be available to respond to emergency phone calls all of which may require evenings, holidays and weekends.

WORK ENVIRONMENT:

+ Work is performed indoors and outdoors and requires exposure to dust, fumes and chemical cleaners, severe weather.

+ Position will be on the HVAC/R On call rotation and available for snow removal.

PHYSICAL DEMANDS:

_The following are some of the physical demands commonly associated with this position._

+ Spends 10% of the time sitting and 90% of the time either standing or walking.

+ Occasionally lifts, carries, pulls or pushes up to 50 lbs.

+ Occasionally uses cart, dolly, or other equipment to carry in excess of 50 lbs.

+ Occasionally climbs, stoops, kneels, balances, reaches, crawls and crouches while performing office or work duties.

+ Verbal and auditory capacity enabling constant interpersonal communication through automated devices, such as telephones, radios, and similar; and in public meetings and personal interactions.

+ Constant use of eye, hand and finger coordination enabling the use of automated office machinery or equipment.

+ Visual capacity enabling constant use of computer or other work-related equipment.

Definitions:

+ Occasionally: Activity exists less than 1/3 of the time.

+ Frequently: Activity exists between 1/3 and 2/3 of the time.

+ Constantly: Activity exists more than 2/3 of the time.

_** Arapahoe County does not discriminate on the basis of race, color, religion, national origin, sex, age, disability, genetic information, sexual orientation or any other status protected under the law. It is our intention that all qualified applicants be given equal opportunity in any term, condition, or privilege of employment and that selection decisions are based on job-related factors. Arapahoe County is committed to making employment accessible to persons with disabilities._

_** In accordance with Senate Bill 23-058, applicants understand that Arapahoe County will not request or require the applicant to include their age, date of birth, or date of attendance/graduation date on the initial application. Applicants understand that Arapahoe County can request or require an individual to provide documentation including copies of certification, transcripts, and other materials created by a third party. The applicant understands that the applicant can redact, if they so choose, information that identifies age, date of birth, or dates of attendance/graduation from an educational institution on those requested/required certification, transcripts and other materials created by a third party._

Employee Benefits Summary Brochure (https://files.arapahoeco.gov/Human%20Resources/Work%20for%20Arapahoe%20County/Benefit\_Summary.pdf)

**Nearest Major Market:** Denver