Air Conditioning Mechanic

Metropolitan Washington Airports Authority•Arlington, VA

11h•$35 - $46•Onsite

About The Position

This is a journey (full performance) 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 and performs work on electrical, electronic, and pneumatic controls and associated HVAC equipment. Duties also include welding, brazing, soldering, pipe and tubing work, maintaining coils, working with the Siemens Building Automation System, and preparing discrepancy reports. Depending on the airport assignment, the mechanic may work on chillers, chilled-water systems, boilers, Direct Digital Controls, and cooling-tower water testing. The mechanic may guide or train other workers. The position may involve late, after-hours, overtime, night, weekend, rotating-shift, hold-over, or recall work for essential services and emergencies. It requires operating vehicles landside and airside, physical exertion, use of protective gear as necessary, and compliance with airport security requirements. A background security investigation is required for all new hires.

Requirements

Four years of progressively responsible experience installing, testing, diagnosing, maintaining, and repairing air conditioning equipment and systems.
Journey-level knowledge and skill in the HVAC trade.
At DCA, knowledge and skill in repairing chillers, chilled-water systems, and low-pressure hot-water boilers.
Skill in using tools, technical manuals, schematics, blueprints, manufacturer materials, and other equipment and guides in journey-level HVAC work.
Ability to analyze data and information, including blueprints and schematics.
Ability to work safely and knowledge of applicable Occupational Safety and Health Administration (OSHA) safety rules, regulations, and procedures.
Ability to speak and write effectively.
Skill in using a computer, computerized work-order system, and time-and-attendance system.
High school diploma or GED certificate.
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 in the job.
Operate vehicles landside and airside; an AOA permit is required.
Work may require lifting objects up to 100 pounds, bending, stooping, crouching, working in cramped positions or at heights, and climbing ladders.
Wear personal protective gear as necessary.
Pass a background security investigation if a new hire.

Nice To Haves

Licensed as a Journey HVAC Mechanic or higher.

Responsibilities

Respond to emergency calls, troubleshoot problems, and perform necessary repairs, adjustments, or corrections.
Dismantle, repair, replace, or reassemble electrical, electronic, and pneumatic control AC units 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 efficient operation.
Manually adjust heat pumps from cooling to heating, coordinating with the AEM Shop at IAD and the Airport Fire Department on initial start-ups in case smoke detectors sound alarms.
Weld, braze, solder, bend, and cut pipe and tubing.
Clean condenser and evaporator coils regularly.
Work with the Siemens Building Automation System (BAS).
Troubleshoot and replace Direct Digital Controls (DDC) at DCA.
May perform chemical tests of cooling-tower water at DCA.
May guide AC Repairers, HVAC Apprentices, or other workers and provide on-the-job training as necessary.
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.