 Around 8 years of IT experience in design, development, implementation, troubleshooting and maintenance of complex network systems, Network Security. Moderate knowledge in configuring and troubleshooting Cisco Wireless Networks: LWAPP, WLC, WCS, Standalone APs, Roaming, Wireless Security Basics, UNIX IEEE 802.11 a/b/g/n/ac, RF spectrum Design and configuring of OSPF, BGP on Juniper Routers (MX960) and SRX Firewalls (SRX240) Expertise in network protocols, Firewalls and Communication Network design. Strong knowledge of Cisco and Juniper software (IOS/XR and JunOS) and hardware. Implemented site to site VPN in Juniper SRX as per customer. Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NAT ing, sub-netting, also including DNS, WINS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols Experience with design and implementation of Virtual Switching System (VSS) Expertise in OSI layer model/TCP/IP. In-depth knowledge of Linux Kernel Programming (Module Programming) Experience with F5 load balancers – LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability Experience with deploying and upgrading Cisco Wireless LAN controllers 4400, 5500 and 8500 Series  Experience in monitoring and analyzing the load balancing of network traffic using Wireshark and Solar winds. Experience in Implementing Wireless Controllers, AP’s, Routers, Switches for 802.11 and Wireless Mobility projects. Strong understanding of VMware Networking concepts like creation of vSwitches, different types of port groups, NIC Teaming and VLAN and load balancing, beacon traffic, notification to switches for connectivity problem. Configured, installed and maintained Cisco routers, layer2/3 switches and Cisco ASA, FWSM and Palo Alto firewalls Configured Cisco ISE for Domain Integration and Active Directory Integration Configured Cisco ISE for Wireless and Wired 802.1x Authentication on Cisco Wireless LAN Controllers, Catalyst Switches, and Cisco ASA Firewalls. Experience in Network Management Tools and sniffers like SNMP, HP-Open view, Wire shark and Cisco works to support 24 x 7 Network Operation Center. Good knowledge and understanding of OSI Model, TCP/IP protocol suite.  Strong hands on experience on PIX Firewalls, ASA (5540/5550) Firewalls, Palo Alto Firewalls. Implemented Security Policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS)