This position performs journey-level technical work in the installation, operation, and maintenance of heating, ventilating, and air conditioning systems (HVAC) and/or the maintenance of building automated energy management systems (EMS) in campus-wide buildings and facilities; performs a variety of semi-skilled and skilled work in the maintenance and repair of air-conditioning systems and associated air handling, chilled water distribution, and control mechanisms; and performs related work as required. This class works within a general outline of work to be performed and develops work methods and sequences under general supervision.