Under general supervision, is responsible for complex and non-routine maintenance and repair of heating and air conditioning equipment. Work is performed independently in accordance with general instructions or planned preventive maintenance schedules. Exercises no supervision.

Work Location

Locations will vary from various locations in San Antonio with assignments being subject to change based off departmental needs.

Work Hours

7:45 a.m. - 4:30 p.m.; Monday - Friday

Troubleshoots, repairs, installs and maintains a variety of heating and air conditioning equipment.
Removes pumps and performs maintenance work, may frequently lift/carry up to 30 pounds to operate HVAC maintenance equipment.
Adjusts and calibrates temperature control devices.
Assists more senior technicians in chiller and boiler inspections; performs preventive maintenance.
Performs preventive maintenance inspections and repairs.
Gives technical advice and guidance as needed.
Installs new equipment according to provided instructions.
Performs water treatment analysis.
Adjusts and maintains chemical feed systems.
Initiates requisitions for parts and supplies.
Performs related duties and fulfills responsibilities as required.
High school diploma or GED equivalent (recognized by the Texas Education Agency or a regional accrediting agency).
One (1) year work experience maintaining and repairing heating and air conditioning equipment.
Valid Class 'C' Texas Driver's License.
Must certify with the State of Texas as Air Conditioning and Refrigeration Technician within Six (6) months of employment.
Must successfully pass all background investigations.

Preferred Qualifications

Experience performing maintenance and repair services on large-scale (200+ Tons) HVAC equipment and systems.
Class B HVAC License issued by TDLR.
EPA Refrigeration Certification (Type Universal).
Experience with DDC controls and Building Automation Systems.
Experience with DX and package systems 20 Ton or larger.
Experience with Variable Frequency Drive (VFD) controllers.

Applicant Information

Unless otherwise stated, applicants are permitted to substitute two years of related full-time experience for one year of higher education or one year of related higher education for two years of experience in order to meet the minimum requirements of the job. One year of full-time experience is defined as 30 or more hours worked per week for 12 months. One year of higher education is defined as 30 credit hours completed at an accredited college or university.
Applicants selected for employment with the City of San Antonio in this position must receive satisfactory results from pre-employment drug testing and background checks. If required for the position, a physical, motor vehicle record evaluation, and additional background checks may be conducted.
Please be advised that if selected for this position, information regarding employment history as it relates to the qualifications of the position will be needed for employment verification. Applicants claiming military service to meet the experience requirement for this position may attach a DD214 to the application.
If selected for this position, official transcripts, diplomas, certifications, and licenses must be submitted at the time of processing. Unofficial transcripts and copies of other relevant documents may be attached to the application for consideration in advance.
Knowledge of Heating, Ventilation, and Air Conditioning (HVAC) equipment repair, installation and maintenance procedures practices and techniques.
Knowledge of electronic and pneumatic HVAC control systems.
Knowledge of preventive maintenance procedures and practices.
Knowledge of safe work practices and procedures.
Knowledge of principles and practices of HVAC equipment design.
Knowledge of pressure charts, gauges, tools and equipment used in HVAC equipment repair.
Knowledge of installation and maintenance.
Ability to troubleshoot and repair electronic and pneumatic HVAC control systems.
Ability to read and interpret refrigeration pressure charts and gauges electric, temperature and humidity meters and recording equipment.
Ability to read and interpret wiring diagrams and schematics.
Ability to perform preventive maintenance on large HVAC equipment including cooling towers and boilers.
Ability to communicate clearly and effectively.
Ability to perform all the physical with or without accommodations, intellectual, and analytical requirements of the position including decision making.
Working conditions are both indoors and outdoors, with some exposure to temperature extremes, dust, dirt, grease, and loud noises.

City of San Antonio

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