You can apply for a temporary Work Permit if you:

* have an offer of a job from a New Zealand employer
* are skilled in an occupation that’s in demand here
* want to work here temporarily for a particular purpose or event such as a tournament, a show or for certain professional reasons
* are a student or trainee wanting to gain work experience in New Zealand
* are planning to work temporarily while joining your partner here.

More information on the New Zealand Government web page
Working Temporarily in New Zealand