SUMMARY

• Over 7 years of experience in design, installation, configuration, administration and troubleshooting of LAN/WAN infrastructure and security using Cisco devices in large network infrastructure environment.
• Excessive work experience configuring and troubleshooting RIP, EIGRP, OSPF and BGP and Enterprise LAN switching.
• Excessive work experience in configuring and troubleshooting LAN Routing Protocols (HSRP,VRRP, GLBP)
• Experienced in configuring and troubleshooting MPLS, building MPLS - VPN and Multicast support.
• Proficiency in configuration of Virtual Local Area Networks (VLANS) using Cisco routers and multi-layer Switches and supporting STP, RSTP, PVST along with troubleshooting inter VLAN routing and VLAN Trunking using 802.1q.
• Expertise in physical infrastructure like structured cabling, IP address management, racking, stacking and Data Center concepts.
• Deploying and decommissioning the VLANs on core Nexus 7K, 5K and its downstream devices
• Worked on Cisco Nexus switches, 7000's, 5000's 2000's and Configured VDC's /VRF’s and vPC’s.
• Hands on experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2K series, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches.
• Network security skills include NAT/PAT, ACLs and ASA firewall.
• Familiar with Cisco firewalls ASA 5500 series.
• Experienced in implementing, routers, and switches, building VPNs, Wireless Networks, and VLANs, ASA and security policies in highly secured and redundant networks.
• Exceptional skills in IPV4 Subnetting.
• Experience in configuring span session on network devices for data captures.
• Hands on experience on Up-gradation of Cisco IOS & Firmware of different Cisco devices & modules.
• Good knowledge of Big IP/F5 load balancer.
• Provided Teir-3 technical support for LAN/WAN issues and on-call for technical escalation on a rotational basis.
• Worked in the Network Operations team to support a 24 x 7 critical operational environment.
• Excellent Verbal, written communication skills and Interpersonal skills with ability to work with large teams as well as independently with minimum supervision & Team Player.
• Experience with Project documentation tools & implementing and maintaining network monitoring systems and experience with developing network design documentation and presentations using VISIO

TECHNICAL SKILLS

Cisco Router Platforms: 7200, 3900, 3800, 2900, 2800, 2500, 1900, 1800 series.

Cisco Switch Platforms: NEXUS 7000, 6500,4900, 4500, 3850, 3750, 3500 series

Firewall: Cisco ASA 5505, 5510,5520

Load Balancer: F5 Load Balancers.

Routing Protocols: RIP, EIGRP, OSPF, and BGP.

L2 Protocols: VTP, STP, RSTP, MSTP, ISL, 802.1q.

Switching: VLANs, Private VLANs, and Port-Channel.

Redundancy Protocols: HSRP, GLBP and VRRP.

Cisco Firewalls: Cisco ASA (5505, 5510, 5550).

Network Management: Cisco Network Compliance Manager, Zenoss Monitoring tool, nGenius

Documentation: MS office, MS Visio.

PROFESSIONAL EXPERIENCE

Confidential, RI

Network Engineer

Responsibilities:

• Good Experience working for various projects as well as a member of Network Operations Team in the 24 X 7 to support critical bank production environments.
• Installation, configuration and troubleshoot the bank’s network Infrastructure including routers & switches (3750,2960,2921,2811,ASR1002-X,6509,3560,2851 etc.), ASA 5500 series Firewalls, F5 Load Balancers ( LTM and GTM)
• Worked on Branch Network Resiliency wherein we deployed Cisco819 model router establishing secondary circuit out of more than 1200 branches.
• Worked on Cisco End of Life project wherein we did the code upgrades to various EOL network devices across the infrastructure and the configuration standardization was rolled out.
• Deployed nexus 7K, 5K and 2K infrastructure on a DR site for the bank. Worked on creating VDCs and VPCs in this environment.
• Worked on Cisco ASA firewalls (5500 series) to open ports, Create DMZs and troubleshoot various production issues.
• Worked on multiple security projects Creating IPSEC site to site VPNs from client data center to various vendors.
• Worked on F5 LTMs to create Virtual servers (VIPs), Configure nodes into a Pool for load balancing traffic to the high end bank applications.
• Configuration of NAT/PAT on various Cisco routers and ASA firewalls.
• Substantial lab testing & validation prior to implementation of Nexus 7K, 5K & 2K connecting to blade servers.
• Configured Cisco Routers for OSPF, EIGRP, Static and default routes across the network.
• Worked on HSRP and GLBP for first hop redundancy and load balancing.
• Mutual redistribution between OSPF and BGP in internal networks with specific requirements of client with on - demand routing.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, and port aggregation
• Dealt with NAT configuration and troubleshooting issues related access lists and DNS/DHCP issues within the LAN network.
• Worked on network transitioning project wherein we provided access to the vendor by rolling out ACL, SNMP and VTY session settings on the entire bank network for a successful migration.
• Conducted Knowledge transfer sessions with the vendors to explain the production readiness process for the bank environment.

Confidential, Montvale, NJ

Network Engineer

Responsibilities:

• Duties included monitoring network performance using various network tools to ensure the availability, integrity and confidentiality of application and equipment and to provide support for Cisco network infrastructure.
• Installed and configured Cisco ASR 1000, 4000-X, 3845, 3945and 2911series routers and Cisco 2960, 3750, 4500, 4948, 6500 Series switches.
• Configured network using routing protocols such as EIGRP, OSPF and BGP along with troubleshooting L2/L3 issues.
• Experience configuring VDC (Virtual Device Context) in Nexus 7000 series and VPC (Virtual Port Channel) in Cisco Nexus 5K’s.
• Responsible for Configuring SITE TO SITE VPN on Cisco ASA 5500 series firewall between Client and Vendors.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Designed and installed new Branch network systems. Resolved network issues, ran test scripts and prepared network documentation.
• Designed and Implemented Cisco ASA5550 firewall’s interfaces with FTP, DNS, HTTP servers on DMZ with different security levels.
• Implemented and maintained Big-IP F5 load balancing solution across multiple datacenters.
• Management tools, SNMP, Sniffer, and Wireshark.
• Provided on call supports 24/7 and worked in NOC (Network operations center) involving in management team.

Confidential, New York City, NY

Enterprise Network Engineer

Responsibilities:

• Configured, Maintained the Routers and Switches and Implementation of EIGRP, OSPF, BGP routing protocols and trouble shooting.
• Worked on several remote sites for WAN/LAN/Wireless upgrades.
• Implementation and Troubleshooting on high end Cisco devices including but not limited to Nexus 7k, 5k, 2k, Catalyst 6500, 4500, 3850 and 3560's.
• Administration of DHCP, DNS, HTTP, Active Directory and FTP.
• Internal and External DNS and IP Management using Solar Winds IPAM for over 7,000 owned public IP’s.
• Involved in IOS upgrades for different switches in the environment.
• Experienced in Configuring Site-to-Site and Remote Site VPNs, NAT/PAT policies
• Worked on Layer 2 protocols such as VTP, STP, RSTP, PVST, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment.
• Configured, Maintained the Routers and Switches and Implementation of EIGRP, OSPF, BGP routing protocols and trouble shooting.
• Implemented a backup for the existing WAN connection using site to site IPSec VPN tunnels.
• Responsible for client’s new branches turn up and managing the network environment.
• Day to day responsibilities include tasks like configuring and troubleshooting Wireless Access Points, Switches and Routers to third parties.
• Implementation of Access Control Lists (ACL’s) & QOS.
• Did the Bill of materials for branch sites.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches, fixes, and all around technical support.
• Worked on Visio software to create and design the network diagrams according to the business requirement.

Confidential

Systems Engineer, Networking

Responsibilities:

• Configured, Maintained the Routers and Switches and Implementation of RIP, EIGRP, OSPF, BGP routing protocols and trouble shooting.
• Responsible for implementing, engineering, & level 2 support of existing network technologies / services & integration of new network technologies / services
• Key contributions include troubleshooting of complex LAN /WAN infrastructure that includes routing protocols EIGRP, OSPF and BPG.
• Configured and managed Cisco access layer routers and switches.
• Support Network Technicians as they require & support for problem resolution including performing diagnostics, & configuring network devices
• Recommended Security considerations for the Intranet data center, integrating security, providing solution design details and configuration details
• Designed WAN structure to prevent single point of failure in case of link failure.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Planning and Implementation of Subnetting, VLSM to conserve IP addresses.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Troubleshooting issues and outages on Trunks and Router interfaces extensively.
• Technical assistance for LAN/WAN management and complex customer issues.
• Provided support for troubleshooting and resolving Customer reported issues.
• Performed route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance.
• Involved in providing the documentation support such as Diagrams, Configurations, Host name and IP changes, Circuit Orders, Bill of Materials, for both planned and expedited changed.
• Delivered costing details on new project work. Update (redline) network drawings as needed. Attend project implementation meetings as required.
• Implemented the firewall rules on Checkpoint according to the Business Requirement and verification like building new connections to third parties and doing server moves and changes within the DMZ as are requested.
• Maintained work relationships with customer technology groups to ensure compatibility between implanted solution and emerging business requirements.

Confidential

Jr. Network Engineer

Responsibilities:

• Configured RIP and EIGRP on 2600, 2900 and 3600 series Cisco routers.
• Worked on Cisco Layer 2 switches (spanning tree, VLAN, QoS)
• Configured and troubleshoot OSPF, BGP, and EIGRP
• Troubleshoot IOS related bugs based on past history and appropriate release note.
• Planned and configured the routing protocols such as OSPF, RIP, and Static Routing on the routers.
• Implemented VTP and Trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches
• Performed on-call support for installation and troubleshooting of the configuration issues.
• Worked on installation, maintenance, and troubleshooting of LAN/WAN ( Frame relay, NAT, DHCP, TCP/IP)
• Configured Access List (Standard, Extended, and Named) to allow users all over the company to access different applications and blocking others
• Configured STP for loop prevention and VTP for Inter-VLAN Routing
• Performed maintenance and troubleshooting of connectivity problems using PING, and Trace route
• Provided Network and Security Architecture and Operations support services for Windows 2008 based web, application and database servers
• Provided Technical support for improvement, up gradation, and expansion of the existing network architecture
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment