A server administrator or admin has the comprehensive control over the server. This usually can be understood in the context of a business or organization, where a server admin manages the performance and condition of multiple servers in the business. Furthermore, it can be defined in context of a single person running a game server.
The major responsibility of a server administrator includes, design, administer, install and optimize company servers and related components. Server admin helps to gain high performance of the various business operations associated with the servers. Such business operations involve ensuring the availability of client/server applications, development of process and procedures, configuring all new implementations, and support the ongoing management of the server infrastructure. A server admin person will support in supervising the physical security, safety and integrity of the data center.