Prashanth V

Experience

• 

  Dimension Data

  Nov 2010 - Sept 2012

  Network Engineer

  • Installation, Configuration, Troubleshooting & Hardware replacement in Cisco Firewalls (ASA / PIX).• Installation, Configuration, Troubleshooting & Hardware replacement in Cisco Routers (1800, 2800, 3800, 3900, 7206, ASR Series).• Installation, Configuration, Troubleshooting & Hardware replacement in Cisco Switches (4500, 6500, 3600, 2900 Series).• Co-ordinated with Cisco TAC for solving critical issues.• Attended Third Party Maintainer (TPM) Call for Cisco.• Password Recovery & IOS Up gradation for Cisco Firewall, Routers & Switches.• Power Supply , Fan Tray Replacement in Cisco Firewall, Routers & Switches• Site Survey for various Clients for Firewall, Router Installation. Show less

• 

  Cognizant

  Oct 2012 - now

  Technical Lead

  • Configuring and troubleshooting of VLAN, VTP, Trunking , Inter-vlan routing.• Configuring and troubleshooting MSTP to load balance End user traffic in LAN environment.• Implementation and troubleshooting Gateway Redundancy Protocol (HSRP).• Implementation of secure switched environment, which includes enabling port security and enable VACL between VLAN’s.• Implementation & Troubleshooting IPSec Site to Site VPN & Remote Access VPN.• Phase1 & Phase 2 Policy Consolidation on VPN Routers for IPSEC Site to Site VPN Connectivity.• Configuring and Troubleshooting NAT (overlapping client IP address and internet access), Access List, DHCP in Firewalls.• Configuring and Troubleshooting FWSM, Context Firewalls.• Configuring and Troubleshooting VSS in Switches.• Conducting BCP for all offshore development centers to ensure high availability to client network by enabling access rules in Firewalls.• Taking part in Quarterly / Half yearly based MPLS / Internet Failover Test across Global Locations & Power shutdown Activities, where backing up the devices and Post Device Status Checkup Needed.• Access-Lists Classification and Consolidation on Corporate Firewalls (Wan/Internet)• Performing Device Hardening procedures and documenting them for 100% Compliance.• Coordinating with Customer NOC team to troubleshoot information about security & network related investigations & new connectivity establishment.• Coordinated with Internal and Customer Information Security Teams on investigation, remediation of the rules and policy in Firewalls• Using Wireshark & TCP Ping tool for network layer troubleshooting and Packet Tracer & Packet Capture tool for firewall troubleshooting.• Involved in Change Management Team & Firewall Team for executing the changes and access rules in the Change Window.• Documenting Network related issues and updating KEDB for future reference. • Participating Client Audits for their respective projects. Show less