A system administrator is a professional who is held accountable for network setup, annual server maintenance such as mail servers and file servers, and much more. Based upon an organization’s requirements and other IT-related infrastructure, a system administrator is tasked with providing a reliable work environment, particularly whereby multi-user computers are associated with the LAN network.
System Administrator requirements include an in-depth understanding of computer software, hardware, and networks. The IT System Administrator has to design, organize, modify and support the organization’s computer systems. These professionals have to upgrade and manage the software and hardware. The IT System Administrator should handle any issues related to Local Area Networks (LAN), Wide Area Networks, and Network segments. It is the System Administrator who maintains operating systems, business applications, security tools, web-servers, email, laptop, and desktop PCs.