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Job Details

Heat-Ventilation AC Mechanic

Government and Military

Aircraft Mechanic


Herlong, California, United States

Job Summary

Amentum is currently searching for (Temporary) Heating, Ventilation and Air Conditioning Mechanics to work at our Sierra Army Depot / Herlong, CA site.

Essential Responsibilities include:

  • 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 refrigerating units by means of sleeves, couplings or unions, and solders joints, using torch, forming complete circuit for refrigerant, installs expansion and discharge valves in circuit.
  • This worker connects motors, compressors, 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 adjusts controls to insure proper operation, tests joints and connections for gas leaks, using gauges or soap-and-water solution, wraps pipes in insulation batting and secures them in place with cement or wire bands, replaces defective breaker controls, thermostats, switches, fuses and electrical wiring to repair installed units, may install, repair and service air conditioners, ranging from fifteen to twenty tons cooling capacity in warehouses and small factory buildings.

Minimum Requirements

  • High school diploma or General Education Degree (GED) is required.
  • Minimum of three to five years experience required.
  • Must possess a universal HVAC license
  • Must be physically capable of; lifting 45 pounds, standing on stepladders, and reaching overhead.
  • Must possess a valid driver’s license.
  • Must maintain a valid driver’s license to operate Amentum or Government motorized equipment/vehicles.
  • Position may require travel.
  • Position requires the ability to pass and maintain a Security Clearance.
  • Must provide proof of U.S. citizenship.
  • Must be able to speak, read and understand English.
  • This position requires the candidate to pass a pre-employment physical examination and urinary analysis.
  • Must be available for any shift, must be willing to work weekends and other hours as needed.