Which Occupation SC I fall to?

[auz]

I work as an APP Support Analyst Responsible in

a) Updating Application, corecting them ,supporting them

b) Using DB TO Serve Customer Request and Complains Regarding App

c) Using Linux to do scripting regarding updating of Application

WHich Occupation I fall to.

My boss asked me to look up for something suitable.

I couldnt find exact match but think ' System Admin' with 28k is closest match.

Any body with same situation? Can you help