Requirements to claim points for skilled employment (Category A)
A relevant recognised qualification which is at, or above, the qualification level on the New Zealand Qualifications Framework.
The qualification must correspond to the skill level indicated for that occupation in the Australian New Zealand Standard Classification of Occupations (ANZSCO)
OR
The relevant work experience that the ANZSCO indicates may substitute the required qualification
OR
The relevant requirements specified in the Long Term Skill Shortage List (LTSSL) for your occupation (if your occupation is included in the LTSSL)
OR
Five years of relevant work experience.
(my bolding)
http://skillshortages.immigration.go...administrator/
So then look at ANZSCO for your job.
http://www.abs.gov.au/ausstats/abs@....rt+Technicians
Most occupations in this unit group have a level of skill commensurate with the qualifications and experience outlined below.
In Australia:
AQF Associate Degree, Advanced Diploma or Diploma (ANZSCO Skill Level 2)
In New Zealand:
NZ Register Diploma (ANZSCO Skill Level 2)
At least three years of relevant experience and/or relevant vendor certification may substitute for the formal qualifications listed above. In some instances relevant experience may be required in addition to the formal qualification.
This looks as if you have what is necessary.