L2/3 capability as related to network design/architecture covering data, voice and storage to support strategy and business requirements for connectivity, capacity, security, resilience, recovery, and access. Must be very comfortable with technical elements of network security and design, to include IPSec VPN (S2S, RA, DMVPN & B2B) TCP/IP, firewalls, IPS/IDS, VoIP, load balancers, routers and switches.