Air Conditioning Mechanic (IAD)

Metropolitan Washington Airports Authority•Dulles, VA

5d•Onsite

About The Position

This is a journey-level position in the air conditioning series, serving in the Utilities Division of the Airport Maintenance Department at Ronald Reagan Washington National Airport (DCA) or the Airport Maintenance Department at Washington Dulles International Airport (IAD). The mechanic installs, tests, troubleshoots, repairs, and maintains commercial-grade and industrial-scale air conditioning and ventilation systems, refrigeration equipment, and auxiliary heating and air conditioning units. The role responds to emergency repair calls; works with Siemens Building Automation System (BAS); and may guide AC Repairers, HVAC Apprentices, or other workers. The position may require late, after-hours, overtime, night, or weekend work; rotating shifts; and hold-over or recall on a 24-hour basis for essential services and emergencies. Work involves operating vehicles landside and airside, and may include exposure to airport and trade hazards.

Requirements

Four years of progressively responsible experience installing, testing, diagnosing, maintaining, and repairing air conditioning equipment and systems.
Journey-level knowledge of and skill in the HVAC trade.
At DCA, knowledge and skill in repairing chillers, chilled water systems, and low-pressure hot-water boilers.
Skill using tools, technical manuals, schematics, blueprints, manufacturer materials, and other equipment and guides for journey-level HVAC work.
Ability to analyze data and information, including blueprints and schematics.
Ability to work safely and knowledge of applicable OSHA safety rules, regulations, and procedures.
Ability to speak and write effectively.
Skill using a computer, computerized work-order system, and time-and-attendance system.
High school diploma or GED.
State driver’s license in good standing.
EPA Universal Certification (Section 608) to service HVAC/refrigeration equipment within 30 days of hire, promotion, or placement.
Ability to operate vehicles landside and airside; an AOA permit is required.
Ability to meet the physical demands of moderate to heavy exertion, including lifting up to 100 pounds, bending, stooping, crouching, working in cramped positions or at heights, and climbing ladders.
Willingness to wear personal protective gear as necessary.

Nice To Haves

Licensed as a Journey HVAC Mechanic or higher.

Responsibilities

Respond to emergency calls, identify problems, and perform necessary repairs, adjustments, or corrections.
Dismantle, repair, replace, and reassemble electrical, electronic, and pneumatic controls in AC and associated HVAC units.
Install and fit bearings, bushings, connecting rods, and shafts; align motors and flywheel drives at DCA; adjust controls; set heat anticipators; rewire units; and install purge units for recovery.
Repair non-functioning water coolers and window air conditioners.
Recommend equipment modifications, preventive maintenance procedures, and operational cycles to improve efficiency.
Manually adjust heat pumps between cooling and heating; at IAD, coordinate with the AEM Shop and Airport Fire Department on initial start-ups in case smoke detectors trigger alarms.
Weld, braze, solder, bend, and cut pipe and tubing.
Clean condenser and evaporator coils regularly.
Work with the Siemens Building Automation System (BAS).
At DCA, troubleshoot and replace Direct Digital Controls (DDC), and may perform chemical tests of cooling-tower water.
Guide AC Repairers, HVAC Apprentices, or other workers and provide on-the-job training as needed.
Occasionally clean cooling towers and machine rooms and paint equipment.
Write discrepancy reports for problems encountered on tenant-maintained equipment.
Perform other duties as assigned.