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.
Your aim is to ensure the integrity of high availability network infrastructure to provide maximum performance for your users. Networks can include
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.
Your role will depend to a certain extent on the sector you work in and the size of your organisation. For example, in a large investment bank you may have specific responsibility for one area of the system, whereas in a small company you may need to troubleshoot for any IT-related problem that arises.