NETWORK, COMMUNICATIONS AND INFRASTRUCTURE MANAGER Network managers manage a company’s network team at a company and support every aspect of network systems and subsystems. They design, implement, and manage network infrastructure, including components including switches, routers, and the installation of additional servers. They work in strategic planning for medium and long-term timelines based on company objectives to keep it in line with new developments in the space. They administer firewalls and internal network security, maintain existing anti-spam and antivirus systems, and set new anti-spam policies.