• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network-administrator during any major changes and implementation• Worked with Complex Routed IP networks, routers, layer 2/3 switches, firewalls, LAN/WAN networking hardware and protocols.• Comprehensive elementary configurations on the F5 Big-IP LTMs load balancer on prevailing network to divide traffic on web-servers.• Security Operations and implementation, integration & operation of SIEM via QRadar, ArcSight and Splunk• Analyze QRadar and Sourcefire events for security analysis security events• Partnered with field teams to execute NFV and SDN Proof of Concepts demonstrating software abstraction and componentization, service onboarding, service chaining, and service provisioning• Implemented flow installation in SDN enabled switches for Cisco and Bigswitch using REST• Also doing feasibility study of now virtualization will impact LTE RAN and Packet Core side (vEPC andvIMS). Hands on experience in Configuring overlay networks, troubleshooting networking issues related to software-defined networking (SDN) with Open vSwitch (OVS), vRouter OpenContrail, Load Balancers, Firewalls, Switches and Routers• Provided Tier III level support for Verisign IDS/IPS and Host Log Monitoring offerings with enterprisesecurity devices Including but not limited to Sourcefire, Snort, ISS, Juniper, Cisco IDS/IPS, McAfee NSM,Enterasys, Tipping Point and Cisco ASA for the past few years.• Provide recommendations on IPS and IDS placement and configuration in conjunction with best practice and current network design/standards• Design security system using Fortinet appliances• Design and deployed F5 LTM and GTM load balancer infrastructure per business needs from the ground up approach• Configuring Access list rules Fortinet 100 firewall

• Connected switches using trunk links and Ether Channel• Converted network with multiple routing protocols RIP, IGRP, EIGRP into a single OSPF domain, thus providing for future network scalability• Configuring of IP Allocation and sub netting for all applications and servers and other needs throughout company using FLSM, VLSM addressing• Configuration changes automation with Ansible• Implemented redundant Load balancing technique with Internet applications for switches and routers• Configured Cisco IOS Feature Set, NAT and Simple Network Management Protocol (SNMP) for NetworkSecurity implementation• Addition and removal of services from virtual server configuration on Citrix Netscalar load-balancer• Maintaining SSL certificate on Citrix Netscalar load balancer and managing the virtual servers• SIEM monitoring and investigation of any alerts using tools like Arcsight ESM, Arcsight Logger, HBSS,NetScout, Site Protector IDS, and Wireshark Protocol Analyzer.• Functional Management of the Azure Network in customer as well as production perspective.• Cloud design: Participate in Amazon AWS / Microsoft Azure network design and implementation• Documenting and Log analyzing the Cisco ASA 5500 series firewalls• Used Network Monitoring tool to manage, monitor and troubleshoot the network• Experience in HSRP standby troubleshooting & Experience in configuring & upgrading of Cisco IOS.• Received inbound calls of technical nature, independently resolved customer complaints, concerns and inquiries regarding their Internet connection.• Troubleshoot a wide range of technical support issues and connectivity problems such as authentication, connection speed, e-mail configuration, and loss of synchronization.• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.• Experience in new employee mentoring, training and coaching