HVAC Mechanic

Dexterra•Beltsville, MD

3d•$33 - $38•Onsite

About The Position

The Heating, Ventilation, and Air-Conditioning (HVAC) Mechanic provides all HVAC services at the CMI customer site in Beltsville, MD. This role involves the operation and maintenance of HVAC, plumbing, and electrical systems, as well as performing repair, carpentry, and painting renovations. The mechanic will also be responsible for completing installations and modifications to these systems.

Requirements

High School Diploma or Equivalent
At least 5 years of HVAC Mechanic experience within a government facility
Must possess a valid HVAC license and have experience in servicing and maintaining air conditioning systems.
Good understanding of 300 to 800 ton chillers and their operations and annual PMs
Background in electrical high and low voltage A/C D/C
Background on low pressure vessels boilers
Background in plumbing repairs
Knowledge of Lockout tag out/OSHA safety standards
Knowledge of fire alarm and life safety standards, to include system testing
Familiarity with life safety systems such as fire alarm, detection & suppression, standby generators, elevators etc.
Must be able to fluently read, write, speak, and understand the English language
Must be able to pass a government background check

Responsibilities

Operation and maintenance of the HVAC systems, plumbing and electrical systems.
Provide repair, carpentry, and painting renovations, in addition to completing installations and modifications.
Fabricates, assembles and installs ductwork and chassis parts, using portable metalworking tools and welding equipment
Installs evaporator unit in chassis or in air-duct system, using hand tools
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
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
Observes pressure and vacuum gauges and adjusts controls to ensure 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
Performs other HVAC related duties as required