'Twas brillig, and the slithy toves did gyre and gimble in the wabe

To be clear, I think it's unlikely that they will pay interview costs, but if they do, then they become very interesting.

If they do, you'd want to be clear what visa entitlements would come with the position, because if you were to spend significant time over there, there's the chance that you'd want to be able to stay longterm.

Australia's not for everyone - but for those people that it does suit, it suits really well.