SUMMARY

• 8.5 years of experience in routing, switching, system design, implementation and troubleshooting of complex network systems as well as understanding on firewall technologies.
• Switching tasks include VTP, ISL/ 802.1q, IPSec VPN Tunneling, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
• Experience working with Nexus 7010, 5020, 2148, 2248 devices.
• Network security including NAT/PAT, ACL, and ASA/PIX Firewalls.
• Good knowledge with the technologies VPN, WLAN and Multicast.
• Well Experienced in configuring protocols HSRP, GLBP, ICMP, IGMP, PPP, PAP, CHAP, and SNMP.
• Experience in configuring Site - to-site and remote access VPN solutions.
• Strong hands on experience in installing, configuring, and troubleshooting of Cisco ASR9K, ASR1004, 7600, 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches and also on Nexus series switches
• Extensive experience in configuring and troubleshooting of routing protocols RIP v1/v2, EIGRP, OSPF and BGP.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token ring, ATM, bridges, routers, hubs and Switches.
• Involved in design and deploying various network security & High availability products like Cisco ASA and other security products.
• Understanding the JUNOS platform and worked with OS upgrade of Juniper devices
• Excellent communication skills, Enthusiastic, motivated and a team player
• Experience with Change management process and Project documentation tools like Excel and VISIO
• Played various customer interaction roles in various capacities, across projects in different areas.
• A highly organized individual who adopts a systematic approach to problem solving, effectively analyzes results and implements solutions
• Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of professional.
• Knowledge on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.
• In depth understanding of IPV4 and implementation of Subnetting.
• Configured Security policies including NAT, PAT, VPN, Route-maps, prefix lists and Access Control Lists.
• Extensive Experience in WAN Technologies, Switching Technologies along with Failover Mechanisms & Inter VLAN Routing types.

TECHNICAL SKILLS

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet, Ten Gigabit Ethernet, LAN Emulation

WAN: Leased lines (PPP / HDLC), channelized links (E1/T1/E3/T3/DS1/DS3)Fiber Optic Circuits (OC3), Frame Relay, ISDN, Load Balancing.

Routing: OSPF, EIGRP, BGP, RIP-2, PBR, Route Filtering, RedistributionSummarization, Static Routing.

Switching: VLANs, VTP, STP, RSTP Inter VLAN routing & Multi-Layer SwitchingLayer 3 Switches, Ether channels, Dot1Q, HSRP, GLBP, CEF, DCEF, Port Security

Various Features & Services: IOS and Features, NAT, SNMP, SYSLOG, DHCP, CDP, DNS, TFP & FTP Mgmt

AAA Architecture: TACACS+, RADIUS

Tools: Splunk, Wireshark, CACTI, NNMi

PROFESSIONAL EXPERIENCE

Sr. Network Engineer

Confidential, WA

Responsibilities:

• Configuring EIGRP, OSPF and Static Routing on Cisco Routers
• Design implementation and support of Networks using TCP/IP
• Upgraded SMUs (Software Maintenance Units) on ASR9K routers.
• Replaced EOL cisco 6509 with cisco 7609 under LDOS Project
• Configured BGP, MPLS, OSPF on 7609 router
• Configured various protocols on E911 routers
• Worked on E911 routers for various regions
• Swapped Cisco 7206VXR with Cisco ASR1004
• Upgraded IOS code on cisco 4900 boxes to newer code
• Upgraded Nexus-OS on Nexus7000 series routers and as well as Nexus 5000 series routers
• Upgraded SUP cards on Nexus 7000 routers
• Have written MOPs and tech-reviewed the MOPs for various platforms
• Worked as On-Call Engineer in the team

Sr. Network Engineer

Confidential, Warren, NJ

Responsibilities:

• Worked in configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
• Design and implementation of Networks using TCP/IP
• Configuring RIP, OSPF and Static routing on JuniperM and MX series Routers
• Experience configuring Virtual Device Context in Nexus 7010
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
• Worked on HP open view map for Network Management System and Ticketing.
• Worked on a broad range of topics such as routing and switching, dedicated voice access, planning and implementation, large-scale high-visibility outages, change management coordination, proactive monitoring and maintenance, disaster recovery exercises, and core network repairs.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing, LAN security.
• Supporting EIGRP and BGP based company network by resolving level 2 &3 problems of internal teams & external customers of all locations.
• Responsible for Cisco ASA firewall administration across our global networks.
• Establishing VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
• Implementation of MPLS VPN Networks.
• Experience working on Network design and support, implementation related internal projects for establishing connectivity in various field offices and Datacenters
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• 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
• Worked on the security levels with RADIUS, TACACS+.
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Hands on Experience testing iRules using Browser (IE), HTTP watch.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Upgrading WAN link using PPP Multilink and by implementing Cisco WAAS
• Configuring HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.
• ConfigureGLBP, VLANTrunking802.1Q, STP, Port Security on Catalyst 6500 switches.
• Experience working with Cisco Nexus2148 Fabric Extender and Nexus5000 series to provide a Flexible Access Solution for a datacenter access architecture

Network Engineer

Confidential, Seattle, WA

Responsibilities:

• Worked along with the team in ticketing issues.
• Assisted in troubleshooting LAN & WAN connectivity and hardware issues in the network of 10000 hosts.
• Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
• Troubleshoot problems on a day to day basis & provide solutions that would fix the problems within their Network.
• Support customer with the configuration and maintenance of PIX and ASA firewall systems.
• Assisted with various duties that will arise including: implementation, configuration, management, rules definition, problem solving, design advice, troubleshooting, updating, maintenance, etc.
• Maintenance and Troubleshooting of LAN connectivity problems using Ping, Trace route.
• Managed the IP address space using subnets and variable length subnet masks (VLSM).
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• Experience with configuring BGP, OSPF on 7609 router.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed RIP & OSPF routing protocol administration.
• Interacted with support services to reduce the downtime on leased lines.
• Dealt with creating VIP (virtual servers), pools, nodes and applying Irules for virtual servers like cookie persistency, redirection of the URL.
• Daily responsibilities included monitoring remote site using network management tools, assisted in design guidance for infrastructure upgrade & help LAN administrator with backbone connection and connectivity issues

Network Engineer

Confidential, Parsippany NJ

Responsibilities:

• Designing solutions for corporate requirements using Cisco Routers and Switches.
• Deploying the network infrastructure to meet the requirements
• Created VLAN and Inter-Vlan routing with Multilayer Switching.
• Completed service requests (i.e. - IP readdressing, bandwidth upgrades, IOS/platform upgrades, and etc)
• Providing technical consultancy for better application response using QoS
• Performed RIP, OSPF, BGP EIGRP routing protocol administration.
• Installed wireless access points (WAP) at various locations in the company.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Migration of RIP V2 to OSPF, BGP routing protocols.
• Configured EIGRP for Lab Environment.
• Implemented ISL and 802.1Q for communicating through VTP.
• Working with Client teams to find out requirements for their Network Requirements
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Real time monitoring and network management using Cisco Works LMS.
• Provided technical support on hardware and software related issues to remote production sites.
• Other responsibilities included documentation and support other teams

Cisco Network Engineer

Confidential

Responsibilities:

• Responsible for configuring GLBP between multilayered switch networks
• Installed and configured Cisco ASA 5500 series firewall and configured remote access IPSEC VPN on Cisco ASA 5500 series
• Responsible for Configuring SITE TO SITE VPN on Cisco ASA 5500 series firewall between Head office and Branch office
• Hands on Experience working with security issue like applying ACL’s, configuring NAT and VPN
• Documenting and Log analyzing the Cisco ASA 5500 series firewall
• 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
• Managed network connectivity and network security, between Head offices and Branch office
• Worked on Cisco routers 7200, 3800, 2800 and Cisco switches 4900, 2900
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include
• Routing protocols OSPF, RIP & BGP
• Configured BGP for CE to PE route advertisement inside the lab environment
• Spearheaded meetings & discussions with team members regarding network optimization and regarding BGP issues
• Implemented the concept of Route Redistribution between different routing protocols
• Switching related tasks included implementing VLANS, VTP, STP and configuring on Fast Ethernet
• Channel between switches
• Configured AAA with TACACS+ server
• Configured Remote Access Servers with Frame Relay, Leased Line circuits
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems. Implementation of name resolution using WINS & DNS in TCP/IP environment
• Administration of Cisco 11.x and 12.1 versions and higher
• Monitored all Cisco equipment using Cisco Works
• Involved in SNMP Network management. Worked on various scanning and Sniffing tools like Ethereal
• Upgrades and backups of Cisco router configuration files to a TFTP server
• Implementing and maintaining backup schedules as per the company policy

Network Support Engineer

Confidential

Environment: Large branch office environment with Cisco routers 2900, 3600, switches 2900, 2800, 1900 firewall, and VPN concentrator

Responsibilities:

• Configured Firewall logging, DMZs & related security policies & monitoring
• Creating Private VLANs & preventing VLAN hopping attacks & mitigating spoofing with snooping & IP source guard
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Implementation of name resolution using WINS & DNS in TCP/IP environment
• 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
• Responsible for the installation, configuration, maintenance and troubleshooting of the company network. Duties included monitoring network performance using various network tools to ensure the availability, integrity and confidentiality of application and equipment
• Installation & configuration of Cisco VPN concentrator 3060 for VPN tunnel with Cisco VPN hardware & software client and PIX firewall
• Configured FTP server for inside/outside users & vendors
• Implemented the security architecture for highly complex transport and application architectures addressing well known vulnerabilities and using access control lists that would serve as their primary security on their core & failover firewalls
• Used various scanning and sniffing tools like Wire-shark
• Enabled STP Enhancements to speed up the network convergence that include Port-fast, Uplink-fast and Backbone-fast
• Configured network access servers and routers for AAA Security (RADIUS/ TACACS+)
• Other responsibilities included documentation and change control