Design and deploy functional networks (LAN, WLAN, WAN, VPN).
Configure and install network devices and services (e.g., routers, switches, firewalls, load balancers, DNS, DHCP).
Perform network maintenance and system upgrades including service packs, patches, hotfixes, and security configurations.
Monitor network performance and ensure system availability and reliability.
Troubleshoot and resolve hardware and software issues related to networking.
Secure network systems by establishing and enforcing policies, and defining and monitoring access
