The Senior Network Engineer/IPv6 SME shall operate independently as a senior technical advisor, capable of leading architecture discussions, challenging designs when appropriate, identifying risks and dependencies, developing remediation strategies, leading complex troubleshooting, coordinating across teams, mentoring personnel, and briefing senior stakeholders. Experience with enterprise routing/switching and protocols/services such as BGP, OSPF/OSPFv3, EIGRP, IS-IS, IPv4/IPv6, DNS, DHCP/DHCPv6, ICMP/ICMPv6, TCP/IP, and SNMP.