SUMMARY:

• Experience and knowledge in network design, implementation, configuration, optimization, administration, and network management.
• Experience in Networking, including hands - on experience in IP network design providing network Support, installation and analysis.
• Designing and troubleshooting LAN, WAN, MPLS in Branch, Lab, Campus and Data Center environments.
• Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and Dynamic routing protocols such as RIP, EIGRP, OSPF, BGP; ability to interpret and resolve complex route table problems.
• Configure VLANs, STP, RSTP, MSTP, and inter-VLAN routing in LAN environment for the customers.
• Experienced in installation, configuration and maintenance of Confidential SE 600, 800, 1200 Routers, Cisco 7200, 3900, 2800, 2600, 2500 and 1800 series Router / Cisco Catalyst Cisco 6500, 4500, 3750, 2950 series Switches.
• Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS
• Hands on Experience in testing, Scripts (batch file/Perl, Python).
• Technical Knowledge on Cisco ASA 5500 series firewalls.
• Experience in troubleshoot network issues including boundary protection devices, Cisco Proxy Servers like bluecoat.
• Experience with hardware load balancer administration and support, preferably with F5 and Cisco ACE load balancers.
• Configuring Cisco routers and switches to enable and troubleshoot a variety of features such as Trunk, Vlan, Ether channel, port security, routing protocols including EIGRP, OSPF & BGP and Other related technologies such as multicasting. 
• Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, NOKIA Firewalls
• Nortel VPN Concentrators TCP/IP, NAT, Palo Alto and Checkpoint ESX/GSX firewall.
• Working knowledge of frame relay, MPLS services, IPSecVPN's, OSPF, BGP and EIGRP routing protocols, NAT'ing, sub-netting, also including DNS, WINS, LDAP, DHCP, http, MPLS VRF, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP, ARP, RARP, PROXY ARP & Multicasting protocols.
• Experience in SDN (Software defined networking) and Open flow operations.

TECHNICAL SKILLS:

Cisco Switches: (2900, 3500, 4000, 4500, 5000, 5800, 6500, and 7600 Nexus 2k, 3k, 5k and 7k), MSFC, MSFC2.

Routing Protocol: (BGP, OSPF, EIGRP, ISIS, IGRP, LDAP, IGMP, RIP), Routed Protocol TCP/IP, SIP, Multicasting (PIM).

LAN Protocol: VLAN, PVLAN, VTP, IPX, Inter-VLAN routing, ISL, dot1q(802.1Q), STP, ARP,RARP, PROXY ARP, RSTP, MSTP, IPVST, LACP, HSRP, GLBP, VPC, VDC, Ethernet, Port security.

WAN Technology: Frame Relay, ISDN, ATM, PPP, ICMP, L2VPN, L3VPN,

Network Management: SNMP v2, Syslog, HP Open View NNM, Net flow Analyzer, Packet capture, Sniffer, Wireshark.

AAA Architecture: TACACS+, RADIUS.

Operating systems: Linux, UNIX, DOS, Windows XP/2007/2008, Windows 2003 server and Windows 2008 server

Network Security:  NAT/PAT, Ingress &Egress Firewall Design, VPN Configuration Internet Content Filtering, Knowledge of Firewall, ASA, Palo Alto, IPSEC.

Application Protocols: DHCP, DNS, FTP, HTTP, SMTP, TFTP.

Documentation: Microsoft Office, excel.

PROFESSIONAL EXPERIENCE:

Confidential, San Jose, CA

Sr. Network Engineer/ Datacom Engineer

• Performed network engineering, design, planning (WAN & LAN) & implementation. Studied single point failures & designed WAN structure in such a way that there are no failures in network in case of any device or link failure.
• Involved in three major build releases of SEOS (CP8, CP9 and CP10).
• Involved in integration and verification of features related to SEOS.
• Wrote the Python scripts from scratch level for regression teams on new enhancement of SEOS feature.
• As part of migration team, also done the migration of Perl scripts to python with 100% success rate.
• Involved in test management and test tracking activities, technical problem solving, debugging and test process adaption.
• Involved in test plan preparation, test case execution and lab administration and lab designing activities.
• Experienced in Manual and Automation Tools, experience includes System, Functional, Regression, Stress, and User Acceptance Testing (UAT).
• Designed the Test Plan to define the Testing Approach and outline the Testing Strategy and process for performing the testing activities. Revised the Test plan for maximum functionality coverage.
• Designed and executed the Automation Test Scripts using Python. Developed and maintained automated regression test cases.
• Troubleshooting network issues including boundary protection devices, Cisco Proxy Servers like bluecoat
• Monitoring devices in tools like PRTG and Cisco Prime for the proper configuration in the devices
• Worked effectively with Developers, AGILE Team and Project Management to achieve automation, high quality, release deadlines and QA process improvements. Reported the bugs, and sent email notifications to the developers
• Implemented pim snooping route and nexthop handling related changes for the feature.
• Implemented a new scheme of routes to flood and exception the igmp & pim control packets in snooping environment.
• Driven Carrier Ethernet solution using igmp snooping
• Network Configuration and Support for L2 and L3 Multicast Application Connectivity (IGMP, ICMP, PIM)
• Resolved complex system bugs related to hardware, IP stack, Layer 3 routing entry, IP policy, IP/IPX Routing, DVMRP and PIM-SM multicast routing protocol
• Provided technical leadership and project oversight on IGMP snooping development project. Mentored a highly utilized team of professionals, focused on delivering quality projects and optimizing operational workflows.
• Configured and designed LAN networks with Access layer switches such as Confidential and Cisco ASR routers such as ASR 1013, 1009-X, 1006, 1006-X, 1004, SE 600, SE 800, SE 1200 routers.
• Actively involved in Switching Technology Administration including creating and managing VLANS, Port Security-802.1x, Trucking 802.1Q, Inter-VLAN routing and LAN security on Cisco Catalyst Switches and Confidential Routers.
• Setting up VLANS and configuring ISL trunk on Fast-Ethernet channel between Switches for our Lab Administration.
• Checkpoint Cisco ASA, Cisco PIX Firewalls Administration Checkpoint Firewall Deployment, Upgrade and Administration
• Design and Implement Catalyst/ASA Firewall, Palo Alto Service Module for various LAN’s.
• Adding Rules and Monitoring Checkpoint Firewall traffic through smart dashboard and smart view Tracker applications..
• Writing i-Rules and i-Apps on the F5 load Balancer and Renewing the Certificates.
• Deployment of enterprise firewalls (Palo Alto Networks, Cisco ASA, Check Point) in production environments.
• Worked with network services like DNS, DHCP, DDNS, IP4, IP6, IPsec, VPN etc.
• Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS AAA (TACACS+ & RADIUS), and Managed Cisco PIX firewall and Palo Alto for ACL and VPN.
• Support remote access for virtual private networks (VPN), network computing NCD and wireless devices.
• Troubleshoot Remote Access issues.
• Configuring OSPF, MPLS VRF, VLAN, spanning tree, VSTP, SNMP on EX series switches
• Setup and maintained of Virtual Local Area Networks (VLANS) using Cisco routers and multilayer Switches and supporting STP, RSTP, PVST, RPVST along with troubleshooting of inter VLAN routing and VLAN trunking using 802.1q. 
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches
• Design and configuring of OSPF, BGP on Cisco Routers.
• Configured routing policy for BGP. Switching related tasks included implementing VLANs and configuring ISL trunk and 802.1Q on Fast-Ethernet channel between switches
• Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers and Cisco ASR 9K routers, Improve QOS Configurations
• Troubleshooting on network problems with Wire shark, identify problem and fix.
• Redistribution of routing protocols and Frame-Relay configurations.
• Performed the maintenance of Active Directory and replication scheme, DNS/DHCP services and time services; wrote step-by-step procedures for implementing upgrades.
• Configured VLANs on a switch for inter-VLAN communication. Configured VLAN Trunking Protocol (VTP) on Core Switches. Configured various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches for STP, VTP Domain, VLAN, Trunking, Fast Ether Channel configuration.
• Documented all the work done by using Excel & MS word.

Confidential

Sr. Network Engineer/ Datacom Engineer

• Perform extensive testing around the upgrade, migration and configuration functionality of our software SEOS.
• Deploying and decommission of VLANs on core SEs and its downstream devices
• Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair
• Demonstrated topics of CISCO switching & routing to team as per training sessions.
• Implemented configuration scripts and necessary changes on switches & routers as per Confidential .
• Extended support on access layer, distribution layer and core layer device of Confidential as per assigned.
• Experience with moving data center from one location to another location, from Cisco 6500 based data center to both Cisco 6500 & Nexus based data center.
• Switching tasks include VTP, ISL/ 802.1q, IPSec and GRE Tunneling, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
• Involved in design and deploying various network security & High availability products like Cisco ASA and other security products.
• Configuration of LAN/WAN/WLAN links using ATM, Frame Relay, PPP, HDLC, IEEE 802.1q, VLAN, NAT, DHCP, 802.1Q-in-Q protocols and cross connections
• Setup and maintained of Virtual Local Area Networks (VLANS) using Cisco routers and multilayer Switches and supporting STP, RSTP, PVST, RPVST along with troubleshooting of inter VLAN routing and VLAN Trunking using 802.1q
• Migration of existing IPSEC VPN tunnels from Pre-Shared key to Certificate Authority for purpose of scaling
• Extending end to end network support on L2 and L3 switches.
• Network Redesign for Small Office/Campus Locations. This includes changes to both the voice and data environment.
• Configured EBGP/IBGP policies also tested BGP attributes such as Local preference, MED, AS-PATH, Community and Weight.
• Configured EBGP load balancing and ensured stability of BGP peering interfaces.
• Worked on Route-Reflectors to troubleshoot BGP issues related to customer route prefixes also route filtering using Route-maps.
• Configured Virtual-link between discontinuous backbone areas in the network also established authentication between all OSPF routers using MD5 authentication.
• Involved in effective communication with vendors, peers and clients in resolution of problems, equipment RMA’s and provided 24x7 support.
• Monitor network performance accompanying company service level agreements (SLA’s) using Network management tools such as Cisco works and also provided necessary recommendations to improve network performance.
• Installation and trouble-shooting of LAN, WAN & Multi-Layer Switching.
• Act as first point of contact to diagnose an issue and drive it to closure Troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
• Experience with communicating with different customers, IT teams in gathering the details for the project
• Implement changes in configuration as per task assigned within scheduled change window and ensure backups of device before and after the change.
• Co-ordinates with Vendors to replace the faulty hardware like power supply, fans, modules, cables, sfp, access points & laps.

Confidential

Network Engineer

• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security
• Configured, installed, & managed DHCP, DNS, & WINS servers
• Configuration & maintenance of Cisco2600 series routers with OSPF.
• Design and setting up the Automation test bed for functional and system test cases.
• Reviewing and modifying the regression test cases for execution.
• Installed and tested multiple protocols on Cisco routers and switches.
• Experienced in generating and analyzing different packets using traffic generators.
• Troubleshooting issues and outages on Trunks and Router interfaces extensively.
• Test case Document review. Reviewing Test plans and other test documents for DHCP and OSPFv2.
• Executed Test cases for CDP, IP SUBNET OSPFv2, BGPv4, VLAN, and STP.
• Raising bugs and supporting development team in fixing those bugs.
• Reporting Test results for various builds daily builds, weekly builds .
• Used MRV switch and Lab Manager for utilizing resources effectively.
• Monitor the operability and reliability of network.
• Involved in running the automation scripts on different builds and products and debugging the issues.
• Worked with the development team in resolving and debugging the network and protocol issues.
• Managed a TACACS server for VPN user authentication and network devices authentication
• Upgrading the network by translating protocols like EIGRP to OSPF.
• Monitor, evaluate & report on health of both Wide & Local Area (WAN/LAN) Networks.
• Maintaining the whole network and troubleshooting the network issues for efficient performance.
• Team member of Configuration of Cisco 7206 router and Configuration of Catalyst switches.
• Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
• Installed and configured F5 Load balancers and firewalls with LAN/WAN configuration.
• Worked on various Nexus Products 7010, 7009, 2248.
• Create and test Cisco routers and switching operations using OSPF routing protocol.
• Experience working with Layer 1-7 switching, TCP/IP, OSPF and load balancing (Cisco L2/L3 switches, firewalls, load balancers.
• Worked extensively on Controlling the Traffic, creating the groups SSL of load and SSL certification on citrix load balancer
• Installed and configured Cisco ASA 5500 series firewall and configured remote access IPSEC VPN on Cisco ASA 5500 series
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls per design.
• Worked with security issue like applying ACL's, configuring NAT and VPN
• Experience in configuring routing protocols like EIGRP, RIP v2, OSPF & BGP and Cisco ACS protocols like RADIUS and TACACS.
• Troubleshoot issues related to connectivity, STP, VLANs, Trunking, VTP, Layer 2/3switching, Ether Channels, Inter-VLAN routing, log messages, high CPU utilization and parameters that can degrade Performance of the network.
• Tested BGP features such as as-override, Local pre, EBGP load balancing
• Maintained complex LAN/WAN networks with several VLANS and provided support for routing protocols and also providing secure sessions over internet using IPSec and SSL encryption.
• Configured Multicasting protocol for IPTV and Multicast over GRE tunnels.

Confidential

Network Automation Engineer

• Involved in Regression Testing of L2/L3 features on BSR 64k Switches.
• Built test setup for running daily and weekly regressions.
• Setting up Regression framework and environment for running regressions, installing NATS on UNIX machine, installing IXIA (traffic generator) on MRV switches.
• Debugging the Regression scripts failures, filing bugs and helping development team in reproducing the bugs, getting fixes for bugs.
• Helping team members in debugging scripts and training team on technical topics such as RIP, OSPF and VLAN.
• Involved in lab designing for OSPFv2 topologies and setting-up the Test bed for Network Monitoring application testing.
• Executed Test cases for IP SUBNET, OSPFv2, VLAN and STP.
• Updating Test cases results on tracking system.
• Raising bugs in defect tracking system with proper severity, priority and reproducing steps, verifying the defects once the fix is available.
• Co-coordinating with development team in resolving defects by providing all the required information for fixing the defects and verifying their fix in private builds.
• Helping other team members in setting up there topology & resolving topology related issues.
• Worked on troubleshooting customer related issues related to router Configuration, Layer 1/Layer 2 issues.
• Worked on Frame Relay switches.