Provided technical expertise in functions such as vendor support services, network designing and planning.• Conducted product evaluation, cost analysis and feasibility studies for proposed projects and network designs. • Resolved issues relating to operational and design activities by data analysis and identification of problems. • Suggested capacity planning techniques for optimal performance of network services. • Evaluated network performance and activities to make necessary modifications to systems. • Coordinated with internal technical groups for delivery of telecommunication services and network infrastructure. • Hands on Experience working with ADTRAN Switches and Routers. • Configured, implemented and troubleshooted different business policies in Velocloud SDWAN • Assisted in research of existing industrial technologies for enhancement of network security and reliability. • Developed project plans and related documentation in coordination with project managers. • Assisted in effective operation and maintenance of enterprise-based network solutions and applications. • Implemented procedures for configuration and management of routers, switches and firewall at local and remote sites. • Experience on working with different ISP Carrier nationally as well as Internationally. • Upgraded network equipment’s, software and hardware components and system configuration parts. • Maintained technical detailed documentation of LAN and WAN systems and applications. • Conducted analysis, designing and testing of converged network technologies and methods. • Hands on Experience working with different Wireless controllers’ platform and AP’s like Aruba and Cisco. Environment: Cisco Routers, Cisco Switches, Juniper switches, Routing protocols, Palo Alto, F5, Load Balancer HSRP, VRRP, IPSEC VPN, VPN, QOS, ASA firewall, Load balancer, MPLS, VLANS, VTP, RSTP, ACL, NAT, IDS/IPS, RTP, RADIUS, TACACS+, Juniper SRX, Juniper M, MX, ASR 9000, Catalyst 6500.

Planning, installing, configurating and troubleshooting of networking infrastructure including routers, switches, and configuring all necessary LAN / WAN protocols in support of wireless infrastructure. • Responsible for upgrading, swapping and installation of new juniper EX 4300 as well as Cisco 3850 to form a stack as well as adding new device in to existing stack. • Network Cabling, designing, labeling and troubleshooting various network drops onsite. • Configuring ISIS, OSPF and Static routing on Juniper EX and MX series Routers • Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches • Designed, deployed and maintained enterprise networks and datacenters • Configured, maintained, and troubleshot routers ranging from the 1720 series to 7200 series and Switches from the 2900 series through the 6500 series in a highly redundant dual-homed environment • Supporting OSPF and BGP based network by resolving level two and level three problems of internal teams & external customers of different locations • Worked on multiple projects related to Branch networks, Campus networks, external clients and Data Center Environments involving data center migrations. • Hands on experience on Cisco prime infrastructure and Cisco stealth-watch • Worked on the Migration project for security levels with AAA, TACACS+. • Worked on Mojo Rogue sensor project connecting it to the POE 3850 Cisco switch • Working on Network design and support, implementation related internal projects for establishing connectivity between the various field offices and data centers • Involved in troubleshooting of DNS, DHCP and other IP conflict problems • Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support. • Involved in deployment of Cisco 6500 switches.

• Involved in Integration, configuration and maintenance of Cisco Router, Catalyst Switches and Firewalls.• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers.• Responsible for all routing, switching, VPN, network security, and server load balancing.• Implemented various EX, SRX & J series Juniper devices• Have created lot of site to site IPSEC VPN tunnel with Checkpoint, Juniper Netscreen firewalls and Cisco PIX/ASA firewalls. Completed a project to update the patch HFA50 across all the firewall to overcome the bugs in the existing version of R65.• Responsible for 6500, 3500, Nexus 5500-7009 switching, ASA, FWSM Firewalls, CSS and F5 load balancers, Riverbed WAN accelerators, IronPort Proxy, and Linux/Bind DNS servers.• Configuring various advanced features (Profiles, monitors, iRules, Redundancy, SSL Termination, Persistence, SNATs, HA on F5 BIGIP appliances SSL termination and initiation, Persistence, Digital Certificates, Executed various migration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM.• Configured PPP, HDLC, BGPv4, EIGRP, MPLS and OSPF routing.• Configured CIDR, IP, RIP, PPP, BGP and OSPF routing• Configured Juniper MX480s, EX8200s, EX4500s, EX4200s, from scratch to match design.• Worked with the Trouble Tickets on F5 Load balancers on LTM module• Provided technical support for full setup, debugged the problems of OSPF, switching and HSRP.• Implemented and used SDM to configure Cisco IOS security features and network connection.• Network Segmentation-application migrations for enterprise Private Data Firewall and data behind ASA 5585-Xs• Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls for stable VPNs.• Configured Object Grouping, Protocol Handling and Code up gradation on ASA Firewalls.• Switching related tasks included implementing VLANs, VTP

• Successfully migrated the cisco legacy environment which consist of 6500, 4500 to Cisco Nexus 7k/5k/2k.• Migrated old Nokia firewalls to standard HP hardware’s.• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls. • Security policy review and configuration in Palo Alto and Juniper SRX Firewall in US offices and Datacenter.• Configuring & managing around 500+ Network &Security Devices that includes Cisco Routers & Switches, Nexus Switches, Juniper and Palo Alto Firewalls, F5 BigIP Load balancers, Blue Coat Proxies and Riverbed WAN Optimizers.• Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500 ,7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Palo Alto Firewalls, BlueCoat Proxy and Riverbed Steelhead appliances• Configuring various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.• Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals.• Worked extensively in Configuring, Monitoring and Troubleshooting Juniper security appliance, Failover DMZ zoning & configuring VLANs/routing/NATTing with the firewalls as per the design.• Converting CatOS to Cisco IOS Config Conversion on distribution layer switches• Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to Get VPN.• Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.• Planning, Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.• Involved in Configuration of Access lists (ACL) on Juniper and Palo Alto.

• Involved in configuring Site-to-site and remote access VPN solutions.• Installed and configured Cisco 7200 series router and Cisco 2950, 4500, 6500 Series switches.• Configured network using routing protocols such as RIP, OSPF, and BGP and troubleshooting L2/L3 issues. • Worked on multiple projects related to Branch networks, Campus networks, extranet clients and Data Center Environments involving in data center migrations from one data center to another.• Provided estimated bandwidth requirements for data replication, to best determine adequate timing for migration service levels• Created data migration strategies to help with completion of migration of data center from one point to another. • Configuration of Cisco 6500 (sup 720), 4500 (SUP 6) & 3750 Catalyst Switches for network access. • Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches• Time to time upgrade network connectivity between branch office and regional office with multiple link paths and routers running HRSRP, EIGRP in unequal cost load balancing to build resilient network.• Design and implement Catalyst/ASA Firewall Service Module for various LAN’s.• Key contribution includes troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF, & BGP.• Troubleshoots in Cisco Aironet 2700 and 600 series.• Configured Client VPN and RSA Token ID technologies including Cisco’s VPN client via IPSEC.• Configuring ACL to allow only authorized users to access the servers.• Participated in on call support in troubleshooting the configuration and installation issues.• Installation, maintenance, troubleshooting local and Wide Areas Network (ISDN, Frame relay, DDR, NAT, DHCP, TCP/IP).

Responsible for monitoring the Network performance based on company’s Service Level Agreement (SLA).• Documented the company’s design, implementation and troubleshooting procedures.• Configured VLANs with 802.1Q Tagging according to the Server team’s requirements.• Tested the new zone for failover capabilities and redundancy. Connected the Distribution routers to the Core routersvia OSPF Areas.• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.• Performed IOS upgrades on various catalyst series switches and maintained latest IOS versions according tocompany’s policy.• Responsible for cabling and labeling based on day to day requirement and Racking & Stacking of various networkequipment and made sure that there are no connectivity issues using ping and tracer.• Provided Helpdesk support that involved identifying and escalating the tickets to specific groups.• Responsible for level 2 support of existing network technologies /services& integration of new network technologies/ services.• Configured VSS on Cisco Catalyst 6509 switches in order to have redundancy. Worked on T1/E1/T3 technologies anddifferent LAN & WAN technologies.• Supported various LAN environments consisting of Cisco 6500 switches with Sup-720.• Designed and implemented Cisco 7500, 7200, 6500, 3600, 2600 Series routers in lab environment to reproducevarious issues and test fixes for them.• Troubleshooting complex LAN /WAN infrastructure that include routing protocols EIGRP, OSPF.• Configured Access-lists, Distribution-lists, Offset-lists and Route Redistribution.• Involved in configuration of OSPF Summarization (Summarizing internal and external routes).• Scalability of OSPF by Filtering of Intra, Inter and External OSPF routes• Used various BGP Attributes and various Route-filters such as named Access-lists, Prefix lists, Route-maps to permitor deny routes and to change various attribute