It's always risky going to NZ to look for work, but it can be done. It would be very difficult for anyone to say whether you would be offered a job without previous experience, but if a company or institution was desperate enough (and I don't mean that in a bad way) they might take someone on who, at least, had a relevant qualification. Having a qualification goes some way to indicating that that person has had some training in the required field.
I don't think anyone could guarantee that you would get a job in NZ, but it could be possible. The only other alternative to hopping on a plane to see for yourself would be to try to get a job offer before you set out. Trying the tourist areas just before peak season might be one place to start looking.
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Mother Bear 
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