Strong understanding of networking protocols and technologies : AAA/TACACS, ACL, ARP, BGP, DHCP, Ethernet, ICMP, IGMP, IPv4/IPv6, LACP, LLDP, MPLS, NAT, OSPF, PIM, QoS, RIP, SNMP, STP/RSTP/MST, VLAN, VRF, and other related technologies. Experience using troubleshooting tools such as tcpdump, Wireshark, and IXIA.Strong Linux command-line and scripting familiarity (Python, shell, etc.).Excellent verbal and written communication skills, especially for high-security or compliance-driven environments.