this is a link for whistler ski school program
you need at least your CSIA level 2 to get into the adult program
but if you want to work for whistler kids then you only need your level one, you can actually get hired by the mountain without your certification and then get certified once your here.
try emailing them because i know they accept some certifications from other countries, maybe NZ
maybe i shall see you there!
im working in whistler kids next season