In IBM Daksh, we were supporting various international clients based in US, Canada and Australia for QuickBooks, Quicken, Turbo-Tax applications.In Computer Gallery, involved in various campus networking projects. In Convergys India Services Pvt. Ltd. we were supporting Dell customers based in US and Canada.In HCL Technologies we were supporting IT-Infrastructure services for European clients. Roles in Capgemini as Cisco TAC - Network Engineer: >Assisting Clients in deploying and managing the Cisco Content Security appliances (Physical/Virtual): Web Security Appliances (WSA -Web Proxy) S195, S395, S690, S695 etc. Email Security Appliances (ESA) C100v, C300v, C600v, C690, C190, Cloud ESA (CES)etc.Security Management Appliance (SMA) M390, M395, M690, M695 etc>Integration of SMA with WSA and ESA appliances, centralized management of security appliances in SMA, publishing policies to appliances, configuring HA of WSAs, configuring ESAs in cluster etc. >Assisted Customer integrating WSA with Cisco ASA, Router, Firewall for WCCP redirection (deployment).>Performed shell troubleshooting on WSA via Tunnels regarding AsyncOS issues, finding RCA, analyze historical logs etc.>Analyzed Logs and Packet captures to identify the traffic flow, single-site web server access issue, proxy down etc. >Worked on SSL certificate generation, signing the CSR, installing it on appliances for HTTPS Decryption, GUI certificate for managing the appliance securely, for enforcing TLS on Inbound/Outgoing listeners for secure emails communications etc.>Worked on authentication related issues with WSA and AD servers, LDAP using different schemes like Basic, Kerberos & NTLMSSP etc. >Worked on protocols, TLS, WCCP, TELNET, SSH, DHCP, DNS, SMTP, SNMP, HTTP, HTTPS, FTP, SCP. Syslog, VLAN, Trunking, VTP, STP, routing protocols like RIP, EIGRP, OSPF, BGP etc. > Configuring and Troubleshooting IPSEC SITE TO SITE VPN.> Configuring and troubleshooting Remote Access VPN.> SSLVPN- Anyconnect and WEBVPN on ASA.> Certificate installation on Routers and ASA, configuring Routers and ASA's as CA and PKI.> Configuring VPN For high availability.> GRE over IPSEC configuration and troubleshooting on Cisco IOS/IOS-XE.> Designing and providing recommendations for VPN.> Static VTI and Dynamic VTI implementation on Routers.> Configuring and Troubleshooting NAT on Cisco ASA and Cisco IOS/IOS-XE.> Implementation of Routing protocols like OSPF, EIGRP and BGP.> Troubleshooting performance based issue for TCP based protocols.