Abstract: The present invention relates to a cleaning in place nozzle system (1) for cleaning surfaces of complex shape, comprising a first body part (21) comprising a dry section (22) and a fluid section (23), a second body part (25) coaxially arranged in the first body part, a nozzle part (26) having a nozzle axis (NA), a fluid inlet (24) arranged in the first or second body part and a fluid outlet (27) arranged in the nozzle part wherein the nozzle system is operatively connected to an intelligent control unit (28) for controlling rotational movement of the nozzle part and/or the body parts. The invention further relates to a method for cleaning a container using a cleaning in place nozzle unit.