Expert knowledge and 8+ years of experience with firewall and HA technologies using Netscreen (Juniper ISG 2000/SSG 500), Checkpoint VPN-1, EDGE Appliances, Cisco PIX, checkpoint ClusterXL HA, Nokia, VRRP, NSRP, Linux IPtables Extensive experience with Intrusion Detection Systems (IDS). Cisco IDSM-2, Juniper IDS and SNORT including custom signatures with SNORT Proficient with network auditing and ethical hacking techniques including NMAP, NESSUS, Metasploit, Network sniffers (tcpdump, wireshark, snoop etc.) Expert knowledge of Virtual Private Network (VPN), remote access technologies and IPSEC, Linux OpenSWAN, OpenVPN, SSL, PPTP, L2TP with IPSEC. Proficient using Public Key Cryptography (PGP and GPG) Expert on intra-VLAN routing with Cisco routers and layer 3 switches including Catalyst 3750/5000-RSM and Catalyst 65xx/Sup.720, 802.1Q trunking, Private VLANs, QinQ trunking, Spanning tree, EtherChannels, access lists and routing protocols RIP, OSPF Experience with configuring secure