NVE is seeking an HVAC Mechanic in support of an operations and maintenance (O&M) contract for a federal agency in Rockville, MD. The HVAC Mechanic shall have three (3) years of journeyman level experience obtained in a trade or occupation in maintenance, repair and operation of buildings such as: air conditioning equipment mechanic, refrigeration equipment mechanic, Operating Engineer, HVAC control systems mechanic, etc. Candidate must have a journeyman license and be able to perform preventive maintenance and troubleshoot HVAC equipment. Shift is 6:00 am to 2:00 pm. You will be required to pass a federal government background investigation prior to start of the work.Job Requirements/Duties:Understand written and oral instructions to perform the required workPerform basic building maintenance (preventive, predictive) of a government commercial office buildingMust be knowledgeable and skilled in HVAC installs, services and repairs. Work may include, but is not limited to:Connect motors, compressor, temperature controls, humidity controls, and circulating ventilation fans to control panels and connects control panels to power sourceInstalls air and water filters in completed installationInjects small amount of refrigerant into compressor to test systems and add Freon gas to build up prescribed operating pressureObserve pressure and vacuum gauges and adjust controls to insure proper operation, test joints and connections for gas leaks, using gauges or soap- and-water solution, wraps pipe in insulation batting and secures them in place with cement or wire bandsReplace defective breaker controls, thermostat, switches, fuses and electrical wiring to repair installed units, may install, repair and service air conditionersResponsible for maintaining, responding to service requests, as needed, under guidance of the PM, Deputy PM or Chief Engineer.Use a variety of power and hand tools to perform job functionsPerform emergency repairs and available for after hour and weekend repairsWork effectively with the customer, building tenants and other team membersAbility to troubleshoot, complete work order assigned in a timely matterAbility to read Architectural and Manufacturing blueprints.Capable with basic office equipment to include cell phone, tablet, telephone, fax and copy scanner.  
