Computer networks vary in size and design. Some networks link two computers in the same building. Others link computers all over the world.
Computer network administrators manage:
- Local area networks (LANs)
- Wide area networks (WANs)
- Hardware in the network, such as PCs, laptops, mobile devices, switches, and firewalls
- Software and servers
- Cloud technologies
- Internet
- Wireless technologies
A computer network administrator’s role depends on the size and nature of the network. They may assess, select, install, configure, or maintain:
- Networking and operating system software
- Networking hardware such as switches, VPNs, and wireless access points
- Storage devices such as NAS (network attached storage) and SAN (storage area network)
- Computer workstations, connected equipment (such as printers), or mobile devices
- Virtual environments such as the VMware vCenter, and Microsoft Hyper-V
- Cloud-based services
Computer network administrators also:
- Diagnose and solve problems
- Replace faulty hardware and software
- Operate master consoles to monitor system and network performance and coordinate network use
- Keep records and prepare reports on topics such as systems operations
- Oversee the installation of copper and wireless network media
- Implement data, software, and hardware security procedures such as ensuring secure connections for a remote workforce
- Perform data backups and disaster recovery procedures
- Manage backups using tapes, disks, or cloud storage such as infrastructure as a service (IAAS) or offsite backup
Computer technology changes rapidly. Computer network administrators must constantly assess new products and change parts. To stay current, they share information via social media and open-source websites. They attend training courses and conferences and read computer-related articles, journals, and magazines.
