System Admin Roles

Hello every one

I am Chandu. I was working as a Technical Support Engineer in INDIA for Brigade Corporation as E-Mail and CHAT agent. But it was not my profession. I have completed my MCSA certification and completed some other courses like CCNA, Linux, Exchange Server administration. But now I am in search of a Job as a System Admin.

Can any senior admins can suggest me how to compete the market and …..

1. Roles of a System Administrator
2. Good resume for Sys Admins
3. How to get name as system admin

etc/

Thank you seniors

Bye
Chandu