Hi Prowler
Anyone with an ICAO licence would be welcome is my guess.
Search for the 'ATC job in NZ' thread. (Sorry, I haven't worked out how to post the thread link here)
It should provide most of the info you're after.
I understand that there has been a bit of interest from the ME and Europe following the visits by Mr Personality
and Miss Long legs
but time will tell as to whether anyone takes up the generous
offer.