HVAC Technician III
About the role
Position Summary Performs highly skilled and advanced technical work involving the diagnosis, maintenance, repair, commissioning, optimization, and operation of complex heating, ventilation, air conditioning, refrigeration, controls, and building automation systems. Serves as the senior technical resource within the HVAC trade and provides technical guidance, mentoring, and field leadership to HVAC Mechanics I and II. In the absence of the HVAC Supervisor, serves as the designated HVAC lead, providing day-to-day technical direction, coordinating emergency response, prioritizing assigned work, and maintaining continuity of HVAC operations within established policies and procedures. The position may be delegated specific supervisory responsibilities by the Facilities Director or HVAC Supervisor. This position is designated as Essential Personnel under College policy and is required to respond during inclement weather, emergency events, and other campus operational needs.
Responsibilities
- Performs advanced troubleshooting, repair, maintenance, and installation of complex HVAC systems.
- Diagnoses electrical, mechanical, refrigeration, pneumatic, and electronic HVAC problems.
- Troubleshoots Building Automation Systems, controllers, sensors, actuators, variable frequency drives, and related controls.
- Performs advanced maintenance and repair of chillers, boilers, cooling towers, air-handling units, pumps, VAV systems, rooftop units, refrigeration systems, and related equipment.
- Performs testing, adjustment, startup, and commissioning of HVAC equipment.
- Analyzes equipment performance and identifies causes of recurring failures.
- Provides technical direction and field leadership to HVAC Mechanics I and II.
- Assists less-experienced employees with troubleshooting, repairs, and proper work methods.
- Serves as the designated HVAC lead in the absence of the HVAC Supervisor.
- Coordinates day-to-day technical response to emergency HVAC conditions when the Supervisor is unavailable.
- Helps prioritize HVAC work based on safety, building operations, equipment criticality, and established departmental priorities.
- Communicates significant equipment failures, safety concerns, customer issues, and operational conditions to the HVAC Supervisor or Facilities Director.
- Serves as a technical contact for contractors and vendors when designated.
- Assists with HVAC capital projects, renovations, equipment replacement, and commissioning.
- Reviews equipment specifications, control sequences, and installation work for technical accuracy.
- Supports energy conservation and equipment optimization initiatives.
- Assists with developing and improving preventive maintenance procedures.
- Uses CMMS information to document work, equipment condition, repairs, and follow-up requirements.
- Participates in emergency response, severe weather operations, and essential personnel activities.
- Performs other duties as assigned.
Requirements
- Advanced knowledge of commercial and institutional HVAC systems.
- Knowledge of refrigeration, chilled water, hot water, steam, hydronic, and air distribution systems.
- Advanced knowledge of HVAC controls and Building Automation Systems.
- Knowledge of electrical systems, motors, motor controls, and variable frequency drives.
- Ability to diagnose complex equipment and system failures.
- Ability to interpret blueprints, wiring diagrams, equipment manuals, and sequences of operation.
- Ability to use HVAC diagnostic and testing equipment.
- Ability to lead technical work and provide instruction to other employees.
- Ability to make sound technical decisions independently.
- Ability to communicate technical