Cisco IOS, CatOS, NxOS, filtering and access control, CiscoWorks, TACACS+, ASA, FWSM, HP OpenView, Cisco routers and switches, F5/Cisco load balancers, InfiniBand, Juniper, Fibre Channel SAN, and IPsec VPN. Datacenter network design and architecture experience, including installation and configuration of Cisco routers, switches, firewalls, and IPsec virtual private networks.