Fellas if you are waiting on lady luck (aka market forces) to save you, you'll be waiting a very long time. The world and jobs are global now. The last time there was a skilled worker shortage in my industry jobs got shipped offshore to India faster than you could blink rather than affecting wages here.
I think the person up-thread who said that demand to work in the land down under will outstrip available positions has foresight. Your lack of a real union and equal lack of any real point to unions these days is the problem. The number of aircraft in the sky cannot expand indefinately, there's a little thing called nowhere to park them at airports which limits that.