Successful network engineers are confident communicators

As a network engineer you'll have responsibility for setting up, developing and maintaining computer networks within an organisation or between organisations. You'll offer support to users, who can be staff, clients, customers and suppliers, and troubleshoot any problems that arise. You may, in some cases, also be involved in designing new networks.
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Your aim is to ensure the integrity of high availability network infrastructure to provide maximum performance for your users. Networks can include:

computer
voice
firewall.
Network engineers may work internally as part of an organisation's IT support team, or externally as part of an outsourced IT networking consultancy firm working with a number of clients.

Other job titles used for this area of work include:

network/helpdesk support
support/security/systems engineer
IT/systems support engineer
network administrator
first/second-line support
network architect
VoIP/Cisco engineer.
Types of network
You could work with a variety of network types, such as:

LANs - local area networks, linking a limited area such as a home, office or a small group of buildings
MANs - metropolitan area networks, linking a large area such as a campus
WANs - wide area networks, which link nationally or internationally
WLAN - wireless local area network
GANs - global area networks, combining all of the above with satellite mobile communication technologies
SAN - storage/system/server/small area network
CAN - campus/controller/cluster area network
PAN - personal area network
DAN - desk area network
VoIP - voice over internet protocol network.

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