Hi Riya,
There is no need of contacting any one go through this web site
Department of Immigration and Citizenship u will get all the information u need n more.
it true at least with me.... :P
Before searching a job u must have a Proper Visa in ur hand..
if ur applying for job before then no employer will ever see ur profile.
go through the website for more information.
if u already have a visa then there is no need of even searching for a job, cuz u will be given good job options before u come here by Aussi govt..