WS Certified 9+ years of experience as a Cloud Network Engineer/Network Security Engineer specializing in AWS cloud, GCP, Cisco devices, Network security, Firewalls and VPNs, Cisco Routers, LAN/WAN connectivity, TCP/IP Windows XP, Windows Vista, NT/2000 /2003 System administration.Enterprise experience and knowledge of CheckPoint, Cisco ASA, f5, PaloAlto and Bluecoat.Providing support for Checkpoint R77. 30 with GAiA and SPLAT.Experience in risk analysis, security policy, rules creation and modification of Check Point Firewall VPN-1 FW-1 NGX R65, R70 & R75 Provider-1/MDM/MDS. Experience with network security design implementation Assessment, evaluation, design, and implementation of solutions related to following security areas: Large corporate firewall extranets, mail, Internet, internal enclave, PCI, SOC and Industrial control systems.Experience with F5 LTM and GTM load balancer, Citrix Netscaler load balancer administration, management and upgrades to support 24x7 operationsMigration with both Checkpoint and Cisco ASA VPN experience.Knowledge of Intrusion Detection, DMZ, encryption, IPsec, proxy services, Site to Site VPN tunnels, MPLS/VPN, SSL/VPNExtensive experience in Layer 3 routing and Layer 2 switching and dealt with router configurations like 7200, 3800, 2800 and switches 6500, 4500, 3700, 3750, 3900, 2900, 2960 and 3500XL, 3950 switch series.Proficient with Cisco routing and switching products, UNIX, Linux, shell scripting and routing protocols. Experience in tools like SNMP, AAA, RADIUS and designed VPN with IPSEC security layer. Implementation of IPSEC & SSL tunnels in VPN using Cisco IOS and checkpoint firewall. Hands on experience using diagnosis tools like splunk, TCPDUMP, Wireshark, Snoop, FW Monitor for analyzing the real time statistics during the packet flow.Proficient in configuration of routing protocols like RIP, IGRP, EIGRP, OSPF and BGP.Involved in designing L2VPN services and encryption system and other VPN with IPSEC based services.Involved in troubleshooting of IP conflict problems and worked on Gigabit Ethernet and Fast Ethernet connection and applied QoS for the bandwidth delay.Extensive experience taking copy of Cisco IOS on TFTP server and loading it back on routers.Hands on experience in NAT configurations and it’s analysis on troubleshooting issues related access lists (ACL).Involved in monitoring network traffic and its diagnosis using performance tools like Snort, Snortsnarf, ping tools, and packet player.