Network administrators must be flexible and be abreast of the latest networking and software programs.
In addition to administering the operation of LAN/WAN-related network services, network administrators have to do the following tasks
Coordinating and implementing network software and hardware upgrades
Troubleshooting and resolving LAN/WAN performance, connectivity and related network problems
Administering LAN/WAN security, antivirus and spam control measures
Providing technical oversight of a multi-site enterprise level WAN, including planning, expansion/implementation, maintenance, and troubleshooting
They have configured and maintain computer networks, manage network security tools, such as an anti-virus, intrusion detection systems, firewall, adware, malware, etc., identify, fix, and document network performance issues, install and support telephones, VoIP, and other telecommunication devices that are networked, enhance the network for peak speeds and accessibility, implement, configure, and upgrade network software, including diagnostics programs, deploy and maintain emergency backup and retrieve quickly systems for vital network servers, and regulate user access to classified information to prevent internal security violations.