HVAC Mechanic II

Important Notice: Arlington County requires all applicants to thoroughly complete each section of the application, including prior job responsibilities, duties, and supplemental questions. While you may attach a resume, it will not replace a completed application. Incomplete applications will not be considered.

Are you a senior level mechanic with an HVAC Mechanic Journeyman's license? The Facilities Maintenance Bureau within the Department of Environmental Services (DES) is seeking an HVAC Mechanic II to repair and maintain heating system equipment, air conditioning systems and ventilating systems for multiple sites throughout the County. This position will monitor and diagnose the operation of systems and equipment through the use of Direct Digital Control (DDC) Building Automated System (BAS) and will assist in developing routine corrective and preventive maintenance duties to be performed by staff and contractors.  Supervision is received from the Maintenance Supervisor.

Specific duties include:

• Monitoring other technician's work in progress and providing them with technical guidance and direction to multiple types of HVAC equipment;
• Diagnosing equipment problems and repairing and maintaining commercial air handling units, chillers, cabinet unit heaters, VAV, VRF, heat recovery units, low- and high-pressure boilers, hot water boilers, and similar equipment;
• Inspecting, repairing, ordering, modifying and/or replacing HVAC equipment including air conditioning compressors, heat exchangers, split systems, pneumatic controls, receivers, condensers, chillers, water cooling towers, forced air converter units, pumps, automatic and hand valves, expansion valves, and Roof Top Units, etc;
• Testing and replacing digital control panels, thermostats, sensors, transmitters, controllers, relays, automatic valves and dampers;
• Using computer-controlled BAS systems to evaluate, diagnose problems, and make adjustments to temperatures and humidity in buildings throughout the County to ensure that the equipment is operating and proper comfort levels are maintained at all times;
• Informing internal and external customers of HVAC issues and repairs schedules; and
• Performing other job-related duties as directed.

• Computer Proficiency
• Hand or Power Tools
• Heavy Machinery Operation
• Interpersonal Skills
• Mathematics
• Problem Solving
• Reading and Writing