My wife did the whole working in Oz thing before I met her - from what she told me its really hard work and you have to be willing to blag your way through stuff to get the job. She worked as a chambermaid, kitchen staff, and lots of other tourism based work. A lot of the work is not sociable hours, so she found herself working evenings or such early mornings she slept during the day. Pay wasn't great, they knew that English working tourists are desperate for work and take advantage. She did find some time to go party and enjoy Oz, but no where near as much as she envisaged as she was working 6 days a week.
It all sounds depressing but really it is character building and she has life long friends now in Oz.