The heating, ventilation and air-conditioning mechanic installs, services and repairs environmental-control systems in residences, department stores, office buildings, and other commercial establishments, utilizing knowledge of refrigeration theory, pipefitting and structural layout, mounts compressor and condenser units on platform or floor, using hand tools, following blueprints or engineering specifications, fabricates, assembles and installs ductwork and chassis parts, using portable metalworking tools and welding equipment, and installs evaporator unit in chassis or in air-duct system, using hand tools. This mechanic also cuts and bends tubing to correct length and shape, using cutting and bending equipment and tools, cuts and threads pipe, using machine threading or hand-threading equipment, joins tubing or pipes to various refrigeration units by means of sleeves, couplings or unions, and solder joints, using torch, forming complete circuit for refrigerant, installs expansion and discharge valves in circuit.

This worker connects motors, compressor, temperature controls, humidity controls, and circulating ventilation fans to control panels and connects control panels to power source; installs air and water filters in completed installation, injects small amount of refrigerant into compressor to test systems and adds Freon gas to build up prescribed operating pressure. This mechanic observes 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 bands, replaces defective breaker controls, thermostat, switches, fuses and electrical wiring to repair installed units, may install, repair and service air conditioners, ranging from fifteen to twenty (20) tons cooling capacity in warehouse and small factory buildings.

Skills, Knowledge and Abilities:

• Must have a thorough knowledge of EMS, to make operational changes to remote HVAC equipment throughout the facility, also must be licensed journeyman in HVAC.  Must have a thorough and advanced knowledge of every cycle and its components; such as electronic circuitry, high and low voltage electricity, pneumatic and electronic control systems that sense minute changes in temperature and humidity, dew points, air water and refrigerant pressures; air and water flow and overload protection, adjust temperatures, damper position, space changes, etc.  Has responsibility of being available on twenty-four (24) hour call to facilitate emergency repairs to equipment that is critical to national security.
• Must have skill and technical ability to interpret so as to complete installations and repairs as required and must be able to apply advanced trade techniques to modify and execute in order to minimize equipment down-time.  This is done in most cases without benefit of direct supervision.
• Must have a working knowledge of other trades such as:  Sheet metal; fire dampers, zone control, and air flow volume and velocity and damper linkages.  Plumbing; water and steam supply, drainage, gravity systems, condensate, water make up evaporation and human protection systems.  Electric; circuit breakers, relays, solenoids, transformers, timers, electromagnetic contactors vacuum tubes, motors and motor controls and overload protection devices.
• Also, must be proficient in all types of soldering and brazing. This work requires the service of a highly skilled and knowledgeable technician with the necessary specialized training in this field.
• Must be well versed in the use of many and varied types of test equipment such as volt-meters, ammeters, amprobes, psychrometers, capacitor analyzer temperature testers, leak detectors, micrometer, CO2 testers, vacuum gauges, meggers and must possess outstanding eye-hand coordination.
• Physical Effort and Working Conditions:  In performing the required work, it is required to have the ability to climb ladders and scaffolding, do a lot of walking, use every kind of hand tool, work in hazardous positions, carry heavy tools, (maximum 100 pounds), and knock holes in concrete  may be subject to electrical shock, burns and injuries to the eye and lungs from refrigerant gases, quick variations of temperature, exposure to acids and fumes, falls, cuts and bruises from hand tools and by working in cramped quarters.
• Has the ability to work inside and outside in all kinds of weather in various Government buildings.  Also, be able to be on twenty-four (24) hour emergency call after working hours, weekends and holidays.

Required Experience

Education, Experience and Licensure:

• Must be Universal CFC Certified
• Must have Journeyman's License in Virginia
• Must have the ability to obtain and maintain a security clearance at the Secret level
• Must possess a valid Driver's License
• Ten (10) years or more experience as a Refrigeration and Air Condition Technician

Physical Effort and Working Conditions:

• In performing the required work, it is required to have the ability to climb ladders and scaffolding, do a lot of walking, use every kind of hand tool, work in hazardous positions, carry heavy tools (maximum 100 pounds), and knock holes in concrete.  May be subject to electrical shock, burns and injuries to the eyes and lungs from refrigerant gasses, quick variations of temperature, exposure to acids and fumes, falls, cuts and bruises from hand tools and by working in cramped quarters.

Additional Qualifying Factors:

As a condition of employment, candidates for posted positions must pass a pre-employment drug screening, as well as have acceptable reference and background check results.  Must have the ability to obtain and maintain a clearance at the Secret level.

The Tatitlek Corporation gives hiring, promotion, training and retention preference to Tatitlek shareholders, shareholder descendants and shareholder spouses who meet the minimum qualifications for the job.

As an equal opportunity employer, The Tatitlek Corporation recognizes that our strength lies in our people.  Discrimination and all unlawful harassment, including sexual harassment, in employment iow not tolerated.  We encourage success based on our individual merits and abilities without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability, marital status, citizenship status, military status, protected veteran status or employment.

This position is subject to the terms and conditions of the Collective Bargaining Agreement between Tatitlek Technologies, Inc. and the International Union of Operating Engineers, Local 99-99A, AFL-CIO.