DIRECT HIRE AUTHORITY: This position is being filled using Direct-Hire Authority (5 CFR 337.205) for this occupation.
The purpose of the position is to perform a wide range of work involving installing and recognizing the cause of faulty refrigeration and air conditioning equipment and making repairs on large systems that provide for a variety of air conditioning functions such as heating, cooling, humidifying, dehumidifying, cleaning, filtering, and circulating.
Work Schedule: Friday, Saturday, Sunday , Monday 7:00am - 5:30 pm.
- Inspecting, monitoring, repairing, and maintaining air conditioning units throughout a large facility.
- Maintain and diagnose problems associated with Chiller Plant Operations.
- Ability to diagnose, troubleshoot, and determine necessary repairs such as valves, compressors, motors, bearings, etc.
- Utilize basic principles and theories of air conditioning, refrigeration and pneumatic controls.
- Skill in troubleshooting electrical malfunctions.
- Maintains such items as chillers, drinking fountains, ice makers, ice dispensers, walk-in boxes, freezers, air handlers, exhaust fans, thermostats, and fan coils.
- Maintains, repairs, installs, and modifies complex air conditioning, heating, and ventilation (HVAC) equipment and systems.
- Troubleshoots, diagnoses, replaces, repairs, and evaluates complex equipment for Air Conditioning systems.
- Ability to perform preventive maintenance tasks such as cleaning evaporators and condenser coils.
- Experience with water evaporation-type cooler. Install and repair units by hooking up water and drain lines, replace excelsior screen, water, tubing etc.
- Ability to read blueprints, specifications, operating procedures and repair manuals.
- Inspect, monitor, repair, maintain and record chiller plant systems operations with minimal guidance from a supervisor.
- Ability to handle frequent changes in instructions relating to installation of refrigeration and air conditioning systems.
- Maintaining an inspection log that details readings and problems that occur on the shift.
- Working with a variety of refrigerant gases.
- Knowledge of water treatment for control of alkali and water softness.
- Ability to select proper materials such as stainless steel, copper, galvanized, plastic pot metal, etc.
- Uses initiative, making reliable test, measurements, and adjustments.
- Selects the appropriate equipment, tools, and materials, and laying out and planning the work and techniques for each assignment.
- Knowledge of the various components of the HVAC systems so that problems can be identified and repaired.
- Completes job and equipment maintenance records, assembles lists of materials and supplies needed for assigned work and drafts purchase request, assesses needs and writes clear work descriptions, and accounts for time and materials used.
Position Description Title/PD#: Air Cond Equip Mechanic/PD01495A
To qualify for this position, applicants must meet all requirements by the closing date of this announcement.
Your background must demonstrate experience in the refrigeration cycle of a variety of commercial and industrial systems to locate and check elements such as those which control low side and high side pressure; the temperature of the cooling units; the temperatures of the liquid and suction lines; and the running time of the various mechanisms.
EXPERIENCE: A specific length of training and experience is not required, but you must show evidence of training or experience of sufficient scope and quality of your ability to do the work of this position. Evidence which demonstrates you possess the knowledge, skills, and ability to perform the duties of this position must be supported by detailed descriptions of such on your resume. Applicants will be rated in accordance with the OPM Federal Wage System Qualification Standards.
SCREEN-OUT ELEMENT: Your qualifications will first be evaluated against the prescribed screen out element, which usually appears as question 1 in the on-line questionnaire. Those applicants who appear to possess at least the minimal acceptable qualification requirement are considered for further rating; those who do not are rated ineligible and are eliminated. The potential eligibles are then rated against the remainder of the Job Elements:
- Equipment Assembly, Installation, Repair
- Interpret Instructions, Specifications (includes blueprint reading)
- Technical Practices
- Use and Maintain Tools and Equipment
Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., Peace Corps, AmeriCorps) and other organizations (e.g., professional; philanthropic; religions; spiritual; community; student; social). Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience, including volunteer experience.
Note: A full year of work is considered to be 35-40 hours of work per week. Part-time experience will be credited on the basis of time actually spent in appropriate activities. Applicants wishing to receive credit for such experience must indicate clearly the nature of their duties and responsibilities in each position and the number of hours a week spent in such employment.
Physical Requirements: The work requires carrying of equipment, tools and testing devices that seldom weigh over 50 pounds. Most of the equipment can be reached from the floor or from ladders. Occasionally, platforms and scaffolding are needed to reach parts of the systems such as fans, electrical and water lines and duct work. The incumbent is required to stoop, stretch, bend, kneel and work in tiring and uncomfortable positions.
Working Conditions: Most of the work is usually performed aside, but the incumbent is frequently subject to sudden temperature changes when working on equipment such as walk-in freezer units. He/She is occasionally subjected to cuts, burns, electrical shocks, and respiratory ailments; and exposed to repeated, prolonged or concentrated amounts of refrigerant gases that may cause toxic effects on the eyes, skin, and internal organs. There is an occasional requirement to work outside, on top of tall buildings, in drafty attic spaces, and in cramped areas with low overheads.