HVAC Technician II

Fairfax County•Fairfax (Fj23), VA

18h•Onsite

About The Position

This position operates, maintains, troubleshoots, repairs, and installs 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 reports 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 essential personnel. This position is located at the Judicial Complex. This position can be assigned anywhere in the county daily. The position location and work schedule can be altered or changed at any given time due to business necessity and operational needs. A flexible working schedule is required as well as call-back and on-call participation.

Requirements

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 precautions 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
High school diploma or GED issued by a state department of education
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
Valid driver's license
Universal refrigerant recovery license
Journeyman (HVAC) from the State of Virginia (Required within 12 months)
Criminal background check, driving record check, and pre-employment medical evaluation

Nice To Haves

Current possession of Valid Journeyman’s HVAC License from Virginia
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/experience with 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
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 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
Bilingual in English and another language

Responsibilities

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