nnJob DescriptionnAbout Us:EMCOR Government Services offers an experienced single-source solution for meeting the routine and mission-critical needs of federal, state, local and other government organizations. By combining our expert professional technicians, commercial best practices, extensive facilities knowledge and strong commitment to reliable, responsive service, we enable our government clients to achieve consistently high-performance facilities, on-time projects and long-term value.Job Title: HVAC Maintenance Mechanic Job Summary: EMCOR Government Services has an immediate need for a HVAC Maintenance Mechanic in Indian Head, MD This position will be responsible for the safe and efficient operation, maintenance and repair, during their shift, of all equipment and building systems.Essential Duties and Responsibilities:Installs, services and repairs environment-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 fications. 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 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, using electrical wiring to repair installed units, using electrician's hand tools and test equipment. May install, repair and service air conditioners, (15 – 20 tons cooling capacity) in warehouses and small factory buildings. Qualifications: One must have or be able to maintain an active Secret clearance.Must have a Universal CFC and be a Licensed Maryland JourneymanMust have at least five years work related HVAC experienceKnowledge of critical equipment preferredMust have PC skills/computer knowledge #CBWe offer our employees a competitive salary and comprehensive benefits package and are always looking for individuals with the talent and skills required to contribute to our continued growth and success. Equal Opportunity Employer.