TCP/IP, Routing, DNS, DDNS, DHCP, F5 LTM, GTM, SSH, VPNs, IP routing protocols including RIP, BGP, OSPF, IP Multicast, MPLS, etc. IPv4 and IPv6 experience is must and Strong understanding of network infrastructure, IP addressing, IP traffic management, DNS/DHCP, NTP, Security and Network Monitoring tools.