ITc : Administration - Network or Server Operating System (O/S)(N/w)(Security)

The first thing that runs on the computer is the operating system and the person looking after it is the Operating Systems Administrator. Capacity planning, user administration, backups, performance and tuning and networking connectivity. Installation issues with third party products like databases etc. Does not need to interface to a lot of people all the time. Technical skills are more important. e.g:
UNIX Systems Administrator
Windows Server Administrator (MCSE)
Security Specialists also fall in this category.

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