All Drone Operations in Australia are under the control of the Civil Aviation Safety Authority (CASA).

https://www.casa.gov.au/drones/remotely-piloted-aircraft-operational-enquiries

Remote Pilot Licenses are dependant on the type of operation :

Flying for Fun, Flying for a Commercial Enterprise and Owning and Operating a Commercial Enterprise.

Typical Operations :

Fire Fighting • Surf Rescue • Shark Patrol • Aerial Crop Spraying • Search & Rescue • TV & Motion Picture Aerial Filming • Native Animal Location following Bush Fires • Medical & Commercial Deliveries • Military Applications • Manned Drones • Underwater Drones