This is an OPEN CONTINUOUS ANNOUNCEMENT and will remain open until March 31, 2026 or until all positions are filled. Performs all repairs and maintenance on HVAC and refrigeration equipment within the Medical Center. Operates all equipment and controls associated with large, centralized, multiple zone HVAC systems such as centrifugal compressors, condensers, evaporators, pumps, heat exchangers, cooling towers, fans, air handlers, variable frequency drives (VFD), variable air boxes (VAV).