A system administrator (SA) is responsible for managing, overseeing and maintaining a multiuser computing environment, such as a local area network (LAN). SA responsibilities vary, depending on an organization's requirements. SAs should possess strong technical knowledge and skills, as well as expertise in personnel management.
A SA is also known as a systems administrator, sys admin or sysadmin. A small organization may have only one SA on staff, while an enterprise usually has a full SA team.
In information technology (IT), a system administrator (sysadmin) is a person who supports a multi-user computing environment and ensures continuous, optimal performance of IT services and support systems.
System administrator job responsibilities vary greatly among employers. In a large enterprise, the title system administrator may be used to describe any administrator who is responsible for a specialized IT system such the one that supports servers.
Depending upon the specialty, the systems administrator may also be known as a data center administrator, a network operations center (NOC) administrator, a virtualization administrator, a server administrator or a database administrator.
System Administrator is not necessary an software engineering he is may be an system analyst.
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