HVAC Refrigeration Equipment Mechanic AA

overview

this job opening is being used to fill current and future vacant positions in this classification at various shifts, locations and assigned days off.

order of preference: the selection for maintenance and construction is made on the basis of fitness and ability with preference given to: maintenance and construction district, system-wide (l689), authority-wide and external candidates, respectively.

• high school diploma or possession of a general equivalency certificate (ged) and
• satisfactory completion of an accredited vocational school and/or training program in basic heating, air conditioning repairs (on-the-job mechanical training is acceptable)

• hvac/-eqmt-mechanic – aa
• a minimum of six (6) years of experience satisfactorily performing the duties of a hvac/- equipment mechanic or performing the duties of a hvac/-eqmt-mechanic a for one (1) year

• must possess a valid journeyman or master hvac/refrigeration license from maryland, district of columbia or virginia
• environmental protection agency (epa) universal cfc (chlorofluorocarbons) certification, type 1.11.111

satisfactorily complete the medical examination for this position, if required. The incumbent must be able to perform the essential functions of this position either with or without reasonable accommodations.

• mission essential designation: in accordance with the washington metropolitan area transit authority’s continuity of operations plan (coop) this job has been identified as critical to mission essential functions. Incumbents in this role may be required to report to or continue to work in the event of authorized office closings or service suspensions due to severe weather, natural disaster, fire, operational emergencies or related events.

the hvac refrigeration equipment mechanic is responsible for technical hvac/refrigeration related equipment maintenance and service work. The incumbent is responsible for inspecting, maintaining, installing and repairing commercial and industrial type air conditioning, refrigeration and heating systems in accordance with local codes, operations manuals and manufactures’ instructions. This includes split systems, packages, window units, heat pumps, gas heaters, electrical heaters and related ventilation systems located in the authority facilities.

job levels text has been preserved as content where present in the original; if not needed it can be removed.

• installs various types of air conditioning/heating and refrigeration units, in accordance with local codes, manufacturers' recommendations and standard specifications to include charging the system, performing installation start-up and checking operation procedures.
• diagnoses equipment failures and performs necessary repairs by making appropriate adjustments to the system and/or replacing malfunctioning components. Performs repairs, inspections, required adjustments, testing, troubleshooting, cleaning, lubrication, and scheduled maintenance on assigned hvac and refrigeration systems, subsystems and components in accordance with schematics, wiring and flow diagrams, standard operating procedures, operation manuals, manufacturers' specifications, maintenance instructions, and local and federal environmental protection agency (epa) standards.
• performs preventive, scheduled, unscheduled or corrective maintenance, troubleshooting and tests on all hvac/refrigeration systems, subsystems and components using measuring equipment such as multi-meters, flow meters, pressure gauges, leak detectors, vacuum pumps, pneumatic control testers, air velocity indicators, and other instruments and tools as required.
• operates special shop equipment (drill, grinders, fork trucks, hoists and cranes). Maintains hvac, air conditioning and refrigeration systems by performing scheduled maintenance inspections and test, removing, replacing, or repairing defective or worn parts, lubricating and cleaning or recharging equipment; performing leak detection tests; soldering or brazing tubing and piping; installing and replacing filters, metering devices and solenoids; and…