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HVAC/R Technician

SUMMARY: The HVAC/R Technician will install, maintain and repair the HVAC/R systems throughout the Saint Louis Zoo.  As an active member of Facilities Management, this position will support the Zoo’s mission and advocate the Zoo’s core values and three keys.

DUTIES AND RESPONSIBILITIES: The following reflects Management’s definition of essential functions for this position but does not restrict additional assigned tasks.  Management may assign or reassign duties and responsibilities to this position.

  • Inspect, repair, modify and install heating, ventilating, air conditioning, refrigeration units and associated equipment.
  • Conduct preventative maintenance and routine servicing of equipment including but not limited to greasing and oiling motors, changing and tightening belts, changing filters, and cleaning condensers and evaporators.
  • Utilize the CMMS work order system for work scheduling, preventative maintenance programs and record keeping.
  • Utilize the building automation system to monitor, diagnose and ensure systems are operating at full efficiency.
  • Analyze HVAC/R system requirements, conduct research on new equipment and procedures and recommend new systems or modifications.
  • Provide on-call, weekend or nighttime event coverage if needed.
  • Ensure that proper safety guidelines and usage of PPE are followed at all times.
  • Know and understand the Zoo employee handbook and adhere to all stated disciplinary actions and personnel policies.
  • Work in close collaboration with all Zoo internal departments.
  • Perform other duties as assigned.


  • Supervision of other employees is not a responsibility of this position.


  • High school diploma or equivalent required.
  • 1-3 years of experience in the technical fields involving the maintenance and repair of heating, ventilating and air conditioning equipment.
  • HVAC certification, associate or bachelor’s degree preferred.
  • Universal Class EPA License preferred.
  • Possession or the ability to obtain OSHA 10/30-Hour Training certification.
  • Commitment to excellence and high standards.
  • Good attendance record and work ethic.
  • Versatility, flexibility, and a willingness to work within constantly changing priorities with enthusiasm.
  • Possession or the ability to obtain a Missouri Class E Driver’s License is required for residents of Missouri.
  • All successful candidates for this position will be required to submit to a criminal background check and drug test.
  • COVID vaccinations are required for this position.


  • Must be able to push, pull, bend, squat, stoop, climb stairs or ladders, and twist many times a day.
  • Must be able to safely lift, carry and load 50 pounds.
  • Physical capacity to endure exposure to inclement weather, dust, heavy machinery, restraint devices and hazardous chemicals. Use of proper PPE may be required.


  • This position will work in both a shop environment and outside. Significant exposure to weather is possible.