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HVAC Technician II

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HVAC Technician II

Salary

$56,905.26 - $94,841.34 Annually

Location

FAIRFAX (FJ23), VA

Job Type

FT Hourly W BN

Job Number

26-00155

Department

Facilities Management

Opening Date

01/17/2026

Closing Date

1/30/2026 11:59 PM Eastern

Pay Grade

S20

Posting Type

Open to General Public

+ Description

+ Benefits

+ Questions

Job Announcement

This position is responsible for the operation, maintenance, troubleshooting, repair, and installation of commercial building HVAC systems and components. Successful candidate may lead and oversee work performed by HVAC staff, ensuring quality and safety standards are met. This position will report directly to the Chief Building Engineer or Facilities Manager.

Key Responsibilities

+ Develops/maintains a current knowledge of local, state and national codes as well as equipment/technologies associated with commercial building HVAC systems.

+ Performs advanced diagnostics and repairs on HVAC equipment, including but not limited to chillers, boilers, air handlers, VAV systems, pumps, cooling towers, and hydronic systems.

+ Maintains and troubleshoots digital (DDC) and pneumatic control systems, energy management systems, and related software and hardware.

+ Coordinates with Energy Management to optimize system performance and efficiency.

+ Conducts seasonal startups and shutdowns, resolves comfort and air distribution issues, and ensures systems operate safely and efficiently.

+ Maintains detailed records of inspections, repairs, parts usage, and system performance; orders parts as needed and uses a procurement card in accordance with policy.

+ Works in occupied facilities, including medical and public areas, require adherence to safety, infection control, and PPE protocols.

+ Responds promptly to after-hours calls i.e., respond to site/building, assesses problem, takes immediate steps to address any safety issues, advises supervisor, and suggests actions to remediate issue and/or restore service, and as directed, proceeds to make repairs.

Note: Incumbent is considered emergency essential. Flexible working schedule is required as well as overtime, call-back, and on-call.

Illustrative Duties

+ Performs the most complex troubleshooting and repair of industrial and commercial mechanical, air conditioning, heating and ventilating equipment and control systems;

+ Serves as lead mechanic, assisting technicians in diagnosing and repairing equipment with unusual or very difficult problems;

+ Guides, directs, instructs, inspects, and approves work performed by team members;

+ Coordinates with the Energy Management Section regarding the overall operation and efficiency of the HVAC Energy Management Systems;

+ Troubleshoots, repairs, and maintains complex computer-operated direct digital control (DDC), energy management control systems, and related software programs, to include programmable microprocessors, central processing units with multiple analog and digital inputs and outputs, transducers, thermistors, and electric and electronic damper and valve actuators;

+ Troubleshoots, repairs, calibrates, and maintains complex pneumatic control systems, to include components such as receiver controllers, signal selectors, pneumatic reversing relays, temperature transmitters, direct and reverse acting pneumatic thermostats, pneumatic electric switches and electric pneumatic switches, pneumatic damper and valve operators, air compressors, and refrigerated air dryers;

+ Troubleshoots, repairs, and maintains complex mechanical, air conditioning, heating and ventilating equipment such as chillers (including centrifugal, reciprocating and screw types), air conditioners, heat pumps, oil- and gas-fired hot water and steam boilers, oil and gas furnaces, cooling towers, pumps, air handlers, exhaust air units, make- up air units, duct air conveyance systems, variable air volume systems, variable/volume temperature systems, multi-zone units, electrical power and control circuits, time clocks, gas piping, fuel oil supply piping, fossil fuel burning device flue gas systems, condensate pump and drain lines, fan coil units, condensing units, unit heaters, radiant and fan forced heaters, and hydronic heating and cooling systems;

+ Carries out designated procedures for seasonal start-ups and shut-downs;

+ Diagnoses and troubleshoots building air comfort and temperature problems; air distribution, air balancing, or stratification problems; and building insulation or vapor barrier deficiencies;

+ Ensures mechanical systems are running at peak efficiency by inspecting equipment for operating efficiency and safety standards;

+ Ensures energy management and energy saving strategies are maintained and implemented properly and efficiently;

+ Monitors and inspects construction projects and contract work to ensure compliance with contractual agreements and with national, state and local code requirements;

+ Inspects work in progress and upon completion for conformance with prescribed specifications and safety standards;

+ Maintains records of work performed and parts and materials used;

+ Maintains records of equipment failures and repairs;

+ Orders parts for emergency and routine repairs;

+ Maintains records of equipment operation logs to include temperature, pressures, volts, amps, combustion efficiency reports, safety inspections, and equipment refrigerant records;

+ Produces HVAC system and efficiency reports that identify system problems or confirm proper operating conditions and recommends repairs or improvements.

Required Knowledge Skills and Abilities

+ Extensive knowledge of HVAC and related systems to lead diagnostic tasks for complex maintenance and repair activities;

+ Knowledge of the standard practices, methods, tools, and materials common to the HVAC trade;

+ Knowledge of the building and fire codes related to work performed in the HVAC trade;

+ Knowledge of the occupational hazards and safety precaution s of the trade;

+ Working knowledge of operations and maintenance of buildings and building systems to include heating, ventilation and air conditioning, electrical, plumbing, and energy systems;

+ Working knowledge of the use of Direct Digital Controls, personal computers, and related software to operate systems, identify problems, and repair equipment;

+ Ability to read and interpret blueprints, as-built control diagrams, and HVAC equipment electrical schematic control wiring diagrams, and to use these in determining proper system operation, troubleshooting, and repair of HVAC systems;

+ Ability to use tools and equipment pertinent to the trade, including combustion efficiency testers, electrical meters, refrigerant charging charts, vacuum pumps, micron gauges, refrigerant electronic leak detectors, infrared temperature testers, pneumatic test equipment, electronic temperature testers, micro amp flame signal testers, gas pressure testers, manometers, air balancing test equipment, water balancing test equipment, electronic refrigerant charging scales, propane torches, map gas torches, oxygen and acetylene torches, refrigerant reclaim and recovery equipment, and hand and power tools;

+ Ability to lift, stoop, bend, crawl, and work in tiring and uncomfortable positions and from ladders and scaffolds;

+ Ability to work in uncomfortably hot or cold temperatures.

Employment Standards

MINIMUM QUALIFICATIONS:

Any combination of education, experience, and training equivalent to the following: High school diploma or G.E.D. issued by a state department of education; Plus a two-year technical degree in air conditioning functions such as heating, cooling and ventilating, and five years of progressively responsible air conditioning or HVAC experience; or completion of an apprentice-level vocational training program in air conditioning; plus three years of progressively responsible air conditioning or HVAC experience.

CERTIFICATES AND LICENSES REQUIRED:

+ Valid driver's license;

+ Valid HVAC journeyman license from the state of Virginia;

+ Universal refrigerant recovery license.

NECESSARY SPECIAL REQUIREMENTS:

+ The appointee to this position will be required to complete a criminal background check, a credit check, a driving record check, and a pre-employment physical examination to the satisfaction of the employer.

+ The appointee to this position is subject to emergency callback 24 hours a day/seven days a week (24/7) to respond to snow, flood, and other emergencies requiring division resources.

PREFERRED QUALIFICATIONS:

+ At least 4 years of field experience serving as a lead technician, providing technical guidance and training to other HVAC staff.

+ Working knowledge of Direct Digital Control (DDC) and pneumatic controls, energy management systems, and related HVAC controls.

+ Master HVAC license, or manufacturer-specific training/certifications.

+ NATE (North American Technician Excellence) and/or HVAC Excellence Certifications.

+ Strong working knowledge of local, state, and national mechanical, electrical, and building codes applicable to commercial HVAC systems.

+ OSHA 10/30 or other safety training certification relevant to electrical/mechanical environments.

PHYSICAL REQUIREMENTS:

Ability to lift up to 60 lbs. For short periods of time. Carry up to 40lbs. Frequently work near moving parts. Moving about on hands and knees or hands and feet to enter tight spaces. Must be able to climb and descend ladders up to 20 feet and work in physically fatiguing positions for long periods of time. Ability to ascend and descend stairs, ramps, and the like for single and multistory (up to 12 stories) buildings in the Department’s portfolio. Must be able to wear and use respirator and OSHA required PPE. Pushing/pulling involving use of hands/arms, feet/legs, and/or feet only done with one side of the body or both sides. Seizing, holding, grasping, turning, or otherwise working with hand(s). Reach with hands and arms. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and the ability to adjust focus. Stand; walk; climb, balance; stoop, kneel, crouch, and crawl. Work in various weather conditions (heat, rain, snow, high humidity, etc.). All duties performed with or without reasonable accommodations.

SELECTION PROCEDURE:

Panel interview and may include exercise.

Fairfax County is home to a highly diverse population, with a significant number of residents speaking languages other than English at home (including Spanish, Asian/Pacific Islander, Indo-European, and many others (https://www.fairfaxcounty.gov/demographics/fairfax-county-general-overview) .) We encourage candidates who are bilingual in English and another language to apply for this opportunity.

Fairfax County Government prohibits discrimination on the basis of race, color, religion, national origin, sex, pregnancy, childbirth or related medical conditions, age, marital status, disability, sexual orientation, gender identity, genetics, political affiliation, or military status in the recruitment, selection, and hiring of its workforce.

Reasonable accommodations are available to persons with disabilities during application and/or interview processes per the Americans with Disabilities Act. TTY 703-222-7314. [email protected] EEO/AA/TTY.

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