http://www.news.com.au/national/poli...2a3e11dd8bc87f
180 job categories have been removed from the approved occupations for work visa list, including pilots, helicopter pilots, aircraft maintenance engineers, flight attendants, etc etc. Can search any Australian news site for detailed information.
Here is the list of occupations who used to be able to get work visas, but now can't:
https://www.border.gov.au/Trav/Work/...ed-occupations