The website says this:
The RNZAF is currently targeting the following trades and rank levels for overseas enlistment:
- Pilot - Qualified Flying Instructors FLTLT and SQNLDR
- Helicopter Crewmen (HCM) - CPL to F/S
- Air Warfare Specialists - SGT to F/S - Link 16 expertise
- Senior Intelligence Specialists (Sintels) LAC - F/S
- Armourers - Cpl
- Avionics - LAC - SGT
- Engineer Officers Flt Lt (Software expertise preferred)
- Physical Training Instructors (Force Protection) CPL - F/S
- Operations NCOs (Base Operations) - F/S
- Mission Briefing Officers SGT - F/S