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    This position is located in the Architect of the Capitol, Superintendent, Capitol Building, Maintenance Division. The incumbent is responsible for, but not limited to: pipefitting, electrical troubleshooting, steam and chilled water systems, overhauling valves and gaskets. The ideal candidate has in-depth experience as a journeyman HVAC/Refrigeration mechanic with low and high-voltage control systems. A self-starter who possesses a team-oriented mindset, handles pressure with a positive attitude, and upholds standard safety practices.

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    Tour of Duty: Evening: 2:00pm to 10:30pm-Weekends and Holidays are required.

    ***The incumbent of this position is designated as "Emergency/Essential" and will be required to report to work during emergencies and inclement weather conditions.***

    This position is located in the Architect of the Capitol, U.S. Capitol Building, Asst. Supt. CB & CVC Ops & Main Division, Maintenance Branch, Maintenance Section, Day, Evening or Night Unit. The incumbent is an Air Conditioning Equipment Mechanic and performs duties involved with installation, maintenance, and repair of systems providing a variety of air conditioning and refrigeration functions including heating, cooling, cleaning, filtering, and circulating to condition the air.

    Responsible for 1) the transition from pneumatic to direct digital controls; 2) greater diversity and complexity of interoperable vendor products; 3) new navigation and troubleshooting requirements for electronically controlled systems; and 4) frequent system construction modification requirements throughout the capitol complex to accommodate tenant requests and modernization.

    Installs, maintains, troubleshoots, and repairs systems using mechanical compression, vapor, steam, and air cycle methods to heat, cool, humidify, clean, filter, circulate, and condition the air to levels required for a variety of facilities.

    Inspects, services, and maintains various exhaust fans, refrigeration, air conditioning equipment, electronic dust controllers, steam operated cooking equipment, and hot water generators to ensure proper operations. Equipment maintained includes direct or belt drive exhaust fans, water coolers, air compressors, ice cube makers, centrifugal pumps, refrigeration compressors, steam operated kitchen equipment, and fire protected kitchen exhaust fans systems.

    Installs refrigeration, air conditioning, steam operated kitchen equipment, and exhaust fan equipment by connecting lines, controls, compressors, evaporators and condensers, steam lines and valves, and charges system with proper refrigerants and oils. Operates equipment and checks system for leaks and ensures proper operations and required temperature levels

    Performs repairs and complete overhauls of refrigeration and air conditioning systems including steam and chilled water lines and regulating valves. Installs or replaces pipes and ducts where conditioned areas are considerable distance from compressors. Troubleshoots the system, identifies defective components, determines corrective actions, and makes repairs to systems including reducing valves, steam traps, overload elements, condensers, chilled water and steam heater coils, evaporators, and chilled water pumps. Removes and replaces chilled water lines.

    Checks entire systems and components for proper running cycle, motor and compressor temperature, refrigerant and oil leaks, adjustment and condition of belts, level of oil and refrigerants, cleanliness, setting, and equipment operations. Cleans and paints components as necessary. Locates and checks elements that control low and high side pressures, cooling unit temperatures, liquid and suction line temperatures, and mechanism running times.

    Uses test meters, precision measuring instruments, and test procedures to identify components and parts requiring repair or replacement. Identifies defective or worn parts and improper adjustments and settings. Replaces or repairs defective parts and components including discharge valves, fans, steam traps, reducing valves, belts, bearings, shafts, duct, and pipe covering. Fabricates new parts or reconditions old parts when new parts are not available such as shafts, holding brackets, pulleys, and pipe fittings by using lathe, grinder, and other required machine tools.

    Reassembles equipment and tests for proper operations using prestolite torch, voltmeter, ammeter, pressure gauges, and vacuum pumps. Uses schematics, sketches, and drawings when installing and repairing equipment. Makes necessary adjustments and settings. Replaces refrigeration and air conditioning gasses to obtain required temperature levels. Tests, oils and greases parts and components including motors, shafts, bearings, and other moving parts.

    Places, bolts, secures, and installs exhaust fans. Makes necessary adjustments in electrical and pneumatic controls, pressures, gasses, placement of oils, ensure proper operations, and prevent vibrations. Eliminates excessive vibrations, knocks, or other factors.

    Must utilize knowledge of and must comply with all OSHA safety rules and regulations to ensure that work progresses in a safe manner. Provides or receives training, either on the job or through classroom training, to ensure that all safety practices and equipment is fully utilized. Must ensure the use of any required Personal Protective Equipment (PPE), etc.

    Travel Required

    Not required

    Supervisory status


    Promotion Potential


    Who May Apply

    This job is open to…

    Applications will be accepted from all U.S. Citizens.

    Questions? This job is open to 1 group.

This job originated on www.usajobs.gov. For the full announcement and to apply, visit www.usajobs.gov/GetJob/ViewDetails/496393800. Only resumes submitted according to the instructions on the job announcement listed at www.usajobs.gov will be considered.