Experience with Mitsubishi Electric, CITY MULTI/VRF, Fujitsu, Daikin, multi-zone inverter systems, branch boxes, concealed ducted systems, ceiling cassettes, advanced electrical diagnostics, airflow/static-pressure diagnostics, building-science principles, historic NYC housing, or technician mentoring is especially valuable. We are seeking an experienced Senior HVAC Service Technician who can independently diagnose complex problems, complete professional repairs, verify system operation, document findings, and help develop less-experienced technicians.