HVAC Technician II

Salary: $29.76 Hourly
Location : 10223 JOHN SAUNDERS RD, SAN ANTONIO, TX 78216, TX
Job Type: 4C Full-Time
Job Number: 2027-00077
Department: Aviation
Opening Date: 10/07/2026
Closing Date: 10/21/2026 11:59 PM Central
Grant Funded: No
FLSA Status: Non-Exempt


Job Summary


Under general supervision is responsible for monitoring and troubleshooting computer controlled heating and air-conditioning. Develops preventive maintenance schedules and performs the calibration and repair of heating and air conditioning controls and equipment. Exercises technical supervision over assigned staff and may take part in the training of staff.

Work Location
10223 John Saunders, San Antonio, Texas 78216

Work Hours
7:30 a.m. - 4:30 p.m., Monday - Friday (Work days & hours are subject to change); Work hours may also include a rotation to 2nd and 3rd shifts. Work days may also include a schedule that works Tuesday - Saturday or Sunday - Thursday.

Essential Job Functions

• Performs preventive maintenance, inspections, and repairs, including on air conditioning and heating units.
• Operates HVAC maintenance equipment to perform maintenance on major equipment such as chillers and boilers, which involves frequently lifting and carrying equipment weighing up to 30 pounds.
• Provides technical training and advice to assigned staff.
• Makes minor Heating, Ventilation, and Air Conditioning (HVAC) system modifications, and cost estimates.
• Performs preventative maintenance on room size air conditioning and heating units.
• Maintains and troubleshoots HVAC computer control system. Monitors central plant equipment.
• Rebuilds, adjusts, and calibrates temperature control devices.
• Maintains a daily log of time and materials used in HVAC operations.
• Responds to calls for emergency or problem situations.
• Prepares reports on completed work.
• Maintains inventory of parts and supplies.
• Monitors central plant equipment and troubleshoots problems with equipment.
• Performs related duties and fulfills responsibilities as required.

Job Requirements

• High school diploma or GED equivalent (recognized by the Texas Education Agency or a regional accrediting agency).
• Four (4) years of experience maintaining and repairing heating and air conditioning equipment.
• Must possess a Class "B" Air Conditioning/Refrigeration license from the State of Texas.
• Valid Class 'C' Texas Driver's License.
• Must successfully pass all background investigations.
• Must maintain federally mandated security clearance required to work at an airport at all times.
• Must pass a Transportation Security Administration (TSA) Security Threat Assessment and a Criminal History Records Check upon employment.

Preferred Qualifications

• NATE (North American Technician Excellence) Specialty Certifications in Service or Installation (e.g., AC, Air Distribution, Heat Pumps, or Gas Furnaces).
• EPA Universal Certification (strongly preferred at this level).
• OSHA 30-Hour Construction Safety Certification.
• State or local Journeyman HVAC/R License.
• Low Voltage Electrical License or specific state HVAC electrical endorsements.
• 3 to 5+ years of verifiable hands-on HVAC field service and repair experience.
• Chiller Certification or experience.
• Deep knowledge of advanced systems, such as Variable Refrigerant Flow (VRF/VRV), multi-stage inverter systems, or modulating gas furnaces.

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, Skills, and Abilities

• Knowledge of HVAC control equipment.
• Knowledge of electronic, pneumatic, and manual control HVAC controls.
• Knowledge of maintenance and repair procedures and techniques for chillers, boilers, cooling towers, and pumps.
• Knowledge of safe work procedures and practices.
• Knowledge of HVAC equipment installation, repair and maintenance procedures, practices, and techniques.
• Ability to perform the installation, maintenance, and repair of complex HVAC systems.
• Ability to interpret charts, gauges, and recording equipment and electrical, temperature and humidity meters.
• Ability to install and maintain pneumatic controls.
• Ability to troubleshoot and repair electrical and pneumatic control systems.
• Ability to communicate clearly and effectively.
• Ability to train and evaluate staff.
• Ability to perform all the physical requirements of the position, with or without accommodations.
• Working conditions are both indoors and outdoors, with some exposure to temperature extremes, dust, dirt, grease, and loud noises.

Benefits Information
The City of San Antonio (CoSA) strives to provide a competitive compensation and benefit package to attract and retain a highly skilled workforce. To accomplish this, CoSA offers subsidized health care benefits for active and retired employees, paid disability benefits, paid life insurance, as well as automatic participation in a pension program which is currently matched two to one.

For more detailed information, please click on the following link to view Benefits offered by the City of San Antonio:

Note:

• Part-Time, Temporary, and non-City positions are not eligible for CoSA Benefits.
• Holiday and Leave benefits for Pre-K 4 SA positions may be different than what is listed at the above link.

Additional Information
The City Of San Antonio is an Equal Opportunity/Reasonable Accommodation Employer. This means that the City does not discriminate on the basis of race, religion, sex (gender), age, disability, national origin, genetic information, or sexual orientation. All individuals are encouraged to apply and compete for jobs with the City of San Antonio.

If you require assistance at any stage of the application process due to a disability, please contact the so that accommodations may be made to meet your needs. Our telephone number is View phone number on click.appcast.io and our fax number is View phone number on click.appcast.io.
01


Are you a current regular full time or part time CoSA employee?

• Yes - I am a Full Time City Employee.
• Yes - I am a Part Time City Employee.
• No - I am not a Full Time or Part Time City Employee.

02


Are you a veteran or active member of the armed forces?

• Yes
• No

03


Are you a San Antonio Ready to Work Program (SAR2W) or Train for Jobs San Antonio Program (TfJSA) participant?

• Yes - SA Ready to Work
• Yes - Train for Jobs SA
• Yes - Both Programs
• No

04


What best describes your highest level of education at the end of the current semester?

• Some High School (No GED)
• High School Diploma or GED recognized by the Texas Education Agency or a regional accrediting agency
• 30+ completed semester hours (credits) from an accredited college or university
• 60+ completed semester hours (credits) from an accredited college or university
• Associate's Degree from an accredited college or university
• 90+ completed semester hours (credits) from an accredited college or university
• 120+ completed semester hours (credits) from an accredited college or university
• Bachelor's Degree from an accredited college or university
• Master's Degree from an accredited college or university
• PhD, JD, or other Post Graduate Degree from an accredited college or university
• None of the above

05


How many years of experience do you have maintaining and repairing heating and air conditioning equipment?

• None
• Less than one year
• 1 year
• 2 years
• 3 years
• 4 years
• 5 years
• 6 years
• 7 years
• 8 years
• 9 years
• 10 years +

06


Do you have a valid Class "A" or "B" Air Conditioning/Refrigeration license from the State of Texas?

• Yes
• No

07


If you answered yes to the above question, please provide your Air Conditioning/Refrigeration license number and expiration date.
08


Do you have a valid Driver's License?

• Yes
• No

09


What size Chillers have you worked with? Select all that apply:

• 20 to 130 tons
• 150 to 300 tons
• 400 to 1000 tons
• 1500 to 4000 tons
• None of the above

10


What type of Chillers have you worked with? Check all that apply:

• Water cooled
• Air cooled
• Centrifugal
• Helical Rotary
• None of the above

11


Select any of the following systems of which you have experience with: (check all that apply)

• Inverter-driven / Variable speed systems
• VRF / VRV systems
• Modulating gas furnaces
• Heat pumps with dual-fuel controls
• Commercial economizers
• None of the above

12


Do you have an EPA Refrigeration Certification (Type Universal)?

• Yes
• NO

13


Describe a large scale (200 + ton) HVAC project you worked on. What type of equipment and what were your duties? If you do not have experience, answer "N/A."
14


Rate your comfort level with reading and interpreting complex multi-stage electrical schematics and low-voltage control circuits and detail why you say that rating. If you do not have experience, answer "N/A."Expert - Can diagnose any system independentlyIntermediate - Can diagnose most systems, occasionally need a manualBeginner - Need assistance with advanced wiring
15


I acknowledge that this position is considered to be a primary driving position and I will be subject to random drug and alcohol testing as defined in AD 4.3, Alcohol and Controlled Substance Testing and AD 4.8, Driver Safety Program. I further understand that the City of San Antonio has a zero-tolerance policy for which termination of employment will result for positive drug or alcohol test results.

• I agree

16


I acknowledge that I must pass and maintain the yearly Transportation Security Administration (TSA) Security Threat Assessment and a Criminal History Records Check upon employment. I further understand that if the Department receives any negative information on my background that prohibits me from meeting requirements for the position, my employment will be terminated and I will be compensated for the hours worked.

• Yes

17


I acknowledge that I must maintain federally mandated security clearance required to work at an airport at all times.

• I acknowledge

18


I acknowledge that I must successfully pass all background investigations.

• I acknowledge

19


I understand that if I have a need for a reasonable accommodation to participate in the recruitment and interview process, I can contact the Human Resources Department at View email address on click.appcast.io or View phone number on click.appcast.io. I further understand that if an accommodation is necessary to perform the position for which I have applied, I can contact HR after an offer has been extended.

• I acknowledge.

Required Question