Air Education and Training Command
Summary
The primary purpose of this position is to install, maintain, repair, and modify large and complex heating, ventilation, air conditioning, and refrigeration systems (HVAC/R) and support equipment, including mechanical system controls and distribution lines.
Responsibilities
Plan and lay out work from blueprints, sketches, drawings, specifications, guides, codes, and work orders.
Troubleshoot HVAC/R systems with complex problems and extensive repairs, using judgment to locate malfunctions.
Install, repair, and maintain large commercial and industrial ventilation, refrigeration, air conditioning, and cooling systems.
Install, modify, overhaul, repair, and maintain a variety of heating boilers and/or heating systems, including single- and multi‑fuel power boilers and associated auxiliary and pollution control equipment.
Perform preventive maintenance on HVAC/R systems and equipment.
Inspect and calibrate controls and gauges.
Perform essential electrical work incidental to the maintenance and operation of HVAC/R systems.
Utilize safety practices and procedures, following established safety rules and regulations, and maintain a safe and clean work environment.
Qualifications
Meet the quality level of experience requirements described in the OPM Qualification Standards Handbook X‑118C for the WG‑4700 General Maintenance and Operations Work Family.
Screen‑out element: ability to perform the work of a maintenance mechanic with only normal supervision.
Knowledge of the principles and theories of air conditioning and refrigeration, properties of refrigerants, mechanical, electromechanical, and pneumatic principles for inspecting, installing, testing, maintaining, and repairing power boilers and auxiliary equipment.
Knowledge of electrical equipment (megger, test lamp, voltage tester, ammeter, polarity tester).
Knowledge of safety regulations, practices, and procedures, and related documentation requirements.
Skill in dismantling, repairing, and reassembling pumps, impellers, compressors, chillers, receivers, and evaporators; balancing, aligning, and maintaining turbines, pumps, generators, and other heavy equipment; troubleshooting complex problems on large projects; applying prescribed test procedures.
Skill in using hand tools, power tools, and a variety of test equipment.
Ability to read and interpret instructions, blueprints, drawings, sketches, and specifications; maintain complex refrigerant and motor controls.
Physical Effort
Lifts, carries, and handles equipment up to 50 lbs unassisted and over 50 lbs with assistance.
Works from ladders, scaffolding platforms, or cramped areas where equipment, parts, or tools are hard to reach.
Frequently stoops, stretches, bends, kneels, and works in tiring, uncomfortable positions for long periods.
Frequently moves and maneuvers large, heavy equipment using hoists, holders, and pulleys as required.
Working Conditions
Indoors and outdoors, on elevated structures, and in cramped areas.
Exposure to chemicals, heat, steam, noise, noxious gases, fumes, or acids.
Possibility of burns, electrical shocks, cuts, strains, bruises, and chemical irritations.
Follows prescribed safety practices and uses safety equipment such as safety glasses, hard‑toe shoes, respirators, hard hats, and fire‑retardant gloves.
Other Information Credit will be given for appropriate unpaid, part‑time, or volunteer experience. You must identify duties, responsibilities, and total hours per week for each position held. All qualifying experience, including volunteer experience, is considered.
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Responsibilities
Plan and lay out work from blueprints, sketches, drawings, specifications, guides, codes, and work orders.
Troubleshoot HVAC/R systems with complex problems and extensive repairs, using judgment to locate malfunctions.
Install, repair, and maintain large commercial and industrial ventilation, refrigeration, air conditioning, and cooling systems.
Install, modify, overhaul, repair, and maintain a variety of heating boilers and/or heating systems, including single- and multi‑fuel power boilers and associated auxiliary and pollution control equipment.
Perform preventive maintenance on HVAC/R systems and equipment.
Inspect and calibrate controls and gauges.
Perform essential electrical work incidental to the maintenance and operation of HVAC/R systems.
Utilize safety practices and procedures, following established safety rules and regulations, and maintain a safe and clean work environment.
Qualifications
Meet the quality level of experience requirements described in the OPM Qualification Standards Handbook X‑118C for the WG‑4700 General Maintenance and Operations Work Family.
Screen‑out element: ability to perform the work of a maintenance mechanic with only normal supervision.
Knowledge of the principles and theories of air conditioning and refrigeration, properties of refrigerants, mechanical, electromechanical, and pneumatic principles for inspecting, installing, testing, maintaining, and repairing power boilers and auxiliary equipment.
Knowledge of electrical equipment (megger, test lamp, voltage tester, ammeter, polarity tester).
Knowledge of safety regulations, practices, and procedures, and related documentation requirements.
Skill in dismantling, repairing, and reassembling pumps, impellers, compressors, chillers, receivers, and evaporators; balancing, aligning, and maintaining turbines, pumps, generators, and other heavy equipment; troubleshooting complex problems on large projects; applying prescribed test procedures.
Skill in using hand tools, power tools, and a variety of test equipment.
Ability to read and interpret instructions, blueprints, drawings, sketches, and specifications; maintain complex refrigerant and motor controls.
Physical Effort
Lifts, carries, and handles equipment up to 50 lbs unassisted and over 50 lbs with assistance.
Works from ladders, scaffolding platforms, or cramped areas where equipment, parts, or tools are hard to reach.
Frequently stoops, stretches, bends, kneels, and works in tiring, uncomfortable positions for long periods.
Frequently moves and maneuvers large, heavy equipment using hoists, holders, and pulleys as required.
Working Conditions
Indoors and outdoors, on elevated structures, and in cramped areas.
Exposure to chemicals, heat, steam, noise, noxious gases, fumes, or acids.
Possibility of burns, electrical shocks, cuts, strains, bruises, and chemical irritations.
Follows prescribed safety practices and uses safety equipment such as safety glasses, hard‑toe shoes, respirators, hard hats, and fire‑retardant gloves.
Other Information Credit will be given for appropriate unpaid, part‑time, or volunteer experience. You must identify duties, responsibilities, and total hours per week for each position held. All qualifying experience, including volunteer experience, is considered.
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