Home » Working Women » Careers - Media, Advt, Graphics » Network Engineer In this age where the Internet has taken over, networking still remains the brick and mortar of the infrastructure. Designing networks, implementing and maintaining Local Area Networks (LANs), and providing support are all a part of networking. Ports, add-on cards, Ethernet cards, routers, modems and cables are the domain expertise of a network specialist. A thorough knowledge of protocols, drivers, topologies, firewalls and methods of implementation is essential. Knowledge of operating systems and software installation experience is also mandatory.