| Purpose: |
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Under minimal supervision, this position performs complex work including installation, maintenance, and repair of industrial and commercial heating, ventilation, air conditioning, and refrigeration systems in Department of Aviation (DOA)-owned and Austin-Bergstrom International Airport (AUS) facilities. |
| Duties, Functions and Responsibilities: |
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Essential duties and functions, pursuant to the Americans with Disabilities Act, may include the following. Other related duties may be assigned.
- Leads in the installation, maintenance, calibration, troubleshooting, and diagnosis of HVAC systems, building automation system (BAS) network devices and components, and other equipment and infrastructure at and between the BAS center and remote sites.
- Performs complex service and preventative maintenance on HVAC equipment and components including pumps, air handlers, cooling towers, and other mechanical systems in 24/7 commercial and remote AUS facilities.
- Plans, organizes, and performs activities in the completion of assigned work orders including making materials ready and performing calibrations, maintenance, repairs, and testing of HVAC equipment and systems.
- Repairs rooftop package DX systems using bucket truck and aerial man lifts.
- Maintains and enters records of repairs, calibrations, and tests in the asset management system (AMS).
- Operates, maintains, troubleshoots, diagnoses, and repairs chiller controls/safety circuits and refrigerant circuits on multi-stage chillers, air conditioning systems, ice machines, and other equipment.
- Services Aircraft Support Equipment PC air units, chilled and heating hot water units, ice machines, thermal storage tanks, chillers, and boilers.
- Designs and installs heating, air conditioning, refrigeration, and ventilation equipment and systems.
- Installs and maintains digital and analogue automation control system components; mounts compressors and condensers; cuts, bends, and joins tubing; connects electrical wiring; injects Freon; fits pipes; installs thermostats; etc.
- Coordinates maintenance, repairs, and system outages with AUS facility users during outages.
- Ensures all systems comply with all Federal, State, City, and Local regulations, policies, procedures, and ordinances.
- Monitors the AMS, provides quality assurance review of maintenance and repair activities, and provides updates to work order database.
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| Responsibilities - Supervisor and/or Leadership Exercised: |
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Provides leadership, work assignments, evaluation, training, and guidance to others.
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| Knowledge, Skills, and Abilities: |
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Must possess required knowledge, skills, abilities, and experience and be able to explain and demonstrate, with or without reasonable accommodations, that the essential functions of the job can be performed.
- Knowledge of the operation, installation, maintenance, and repair of residential, commercial, and industrial heating, ventilation, air conditioning, and refrigeration systems, controls, and components.
- Knowledge of occupational hazards, OSHA, and other applicable safety rules and regulations, including when working with energized equipment.
- Knowledge of tools, materials, and methods used in maintenance and repair of ventilation, refrigeration, and air conditioning systems.
- Knowledge of applicable building codes.
- Knowledge of electrical and electronic theory as it applies to relays and control devices.
- Skill in using hand tools common to the HVAC trade.
- Skill in oral and written communication.
- Skill in handling multiple tasks and prioritizing.
- Skill in accurately reading instruments and meters and making accurate instruments recordings.
- Skill in planning and organizing.
- Skill in estimating time, materials, and costs.
- Skill in using computers and related software.
- Skill in problem solving.
- Skill in conducting routine inspections for the purpose of determining conformity to ASHRAE, building codes, and safety standards.
- Skill in tracing and analyzing causes of HVAC troubles and making repairs.
- Skill in performing emergency and routine repairs and maintenance.
- Ability to read and understand schematic diagrams and technical instructions.
- Ability to work in confined spaces where there is limited or restricted means of entry and exit.
- Ability to test and calibrate instruments and make precise and close tolerance repairs and adjustments.
- Ability to wear anti-fall (SRL) body harness for confined space entry or working from aerial man lifts or bucket truck.
- Ability to acquire, through training and on-the-job experience, specialized knowledge in rapidly changing technology and applications.
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| Minimum Qualifications: |
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- Graduation from an accredited high school or equivalent, plus five (5) years of experience in repair and maintenance of commercial/industrial heating, ventilation, air conditioning, or refrigeration systems with chillers, including two (2) years of experience which were in the Aviation industry.
- Completion of accredited training in air conditioning and refrigeration systems may substitute for one (1) year of the required experience.
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| Licenses and Certifications Required: |
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- Valid State of Texas Class “C” Driver License.
- EPA Refrigerant Recovery Certification.
- Valid State of Texas Certified Air Conditioning Technician License.
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