Enter a job title or keyword

HVAC Technician II

St. Mary


Job Location:

San Antonio, TX - USA

Monthly Salary: Not provided by the employer
Posted: 21 August 2026 (13 days ago)
Application Deadline: 18 November 2026
Vacancies: 1 Vacancy

Job Summary

This position performs the preventive and corrective maintenance repairs and installation of heating ventilation air conditioning refrigeration and building automation systems. Performs all duties with progression characterized by higher proficiency faster work pace and greater understanding of heating air conditioning and refrigeration theory/operation.


ESSENTIAL DUTIES AND RESPONSIBILITIES:

  • Calibrates and performs required maintenance and repair to electric and pneumatic components such as thermostats controllers valves and damper actuators.
  • Replaces electric components such as motors transformers fuses fan relays and thermostats on mechanical systems with voltages up to 480 volts.
  • Operates Central Plant boilers chillers pumps and cooling towers to ensure supply of hot and chilled water to campus buildings.
  • Cleans and makes adjustments of Variable Frequency Drives
  • Repairs piping systems made of PVC black iron and braze/solder copper pipe by means of both soft and silver solder methods.
  • Services repairs and installs window air conditioning units and heat pumps.
  • Repairs insulation on hot or chilled water piping using fiberglass or flexible closed cell insulation.
  • Performs water treatment/testing of cooling towers and closed loop piping
  • Performs other duties as assigned.

QUALIFICATIONS:

  • High School Diploma or GED required; completion of Two-Year Trade School program or demonstration of high level of mechanical aptitude preferred.
  • Five (5) or more years as a HVAC Tech I or equivalent.
  • Minimum three (3) years in a Direct Digital Controls (DDC) environment.
  • EPA refrigerant certification type universal required or must be able to successfully complete within 3 months of hire.
  • Must maintain a valid drivers license motor vehicle liability insurance and personal injury insurance and complete the University Van Driver Training within 90 days of employment date.
  • Must clear and maintain a favorable background investigation and clearance
  • Must be able to work evenings and/or weekends as needed
  • Must carry company provided cell phone and respond to calls on a 24-hour basis while on-call.
  • Must be proficient in speaking reading and writing English; must have ability to read written instructions warning labels and SDS Sheets in English.
  • Must possess legible handwriting possess eyesight in both eyes corrected to 20/20 and normal hearing ability (may be corrected).
  • Must observe safety precautions when working in the presence of extreme noise.
  • Must possess mathematical ability to add subtract multiply and divide in order to compute material costs as required for completion of work order form.
  • Must possess understanding of control system drawings and electrical ladder diagrams; HVAC systems and theory;
  • Ability to work in an environment that requires a high level of security.
  • Must be able to use of electrical meters to read voltage resistance and current in systems up to 480 volts.
  • Must maintain satisfactory and harmonious relationships with the public and fellow employees each day to assure quality service and appropriate interactions with others.
  • Must possess and demonstrate a high level of proficiency in calibration and operation of DDC systems locally and remotely including installation practices and applications such as Johnson Controls Metasys Distech and Siemens Apogee.
  • Possess ability to identify multi-colored wiring (pass PIPIC test).

PHYSICAL DEMANDS:

  • Able to successfully handle frustrating conditions such as limits on time limited access to equipment and dealing with uncomfortable customers.
  • Able to carry 50 pounds up and down stairs
  • Frequent standing kneeling/squatting bending/ stooping pushing/pulling and twisting
  • Frequent walking climbing stairs/ladder/scaffolding grasping/squeezing wrist flexion/extension and overhead reaching; frequent driving
  • Work outside and inside on slippery or uneven walking surfaces; frequent exposure to extreme hot and cold temperatures insects dust toxic chemicals and fumes noise vibration and electrical hazards; workaround gas lines; work around machinery with moving parts; may work in tight or enclosed spaces; may work alone; may work irregular hours

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.


St. Marys University is a Hispanic-Serving Institution and an Equal Opportunity Employer.


Required Experience:

IC


About Company

Company Logo

St. Mary’s University in San Antonio, a private liberal arts school and the oldest Catholic university in Texas, offers small classes, close student-faculty relationships and an engaged community.

View Profile View Profile