I don't know of many games studios here in Australia. It seems they're all based in the US or Japan.
The only one I know of is Infogrames/Melbourne House which is in Melbourne. I believe that Melbourne House develops a lot of sport kind of games, and worked on one of the Looney Tunes games.
Try
http://www.infogrames.com.au/ ... you might be able to contact them about work experience. Good Luck!
Abe Babe...