SUMMARY:

• Certified Network Engineer with 8 years of experience in configuring and maintain the cisco routers, catalyst switches and nexus switches.
• Worked in a large enterprise level data center supporting more than 800 network devices
• Implementing IP addressing schemes, LAN/WAN protocols, IP Services, to meet network requirements in different environments.
• Hands on experience in configuring Cisco Catalyst 2960, 3750, 4500, 6500 and Nexus 3000, 5000, 6000, 7000 series switches and Cisco 2600, 2800, 3600, 3800, 7200, 7600 series routers.
• Extensively worked on Cisco catalyst 6509 and implemented VSS along with VDC and VPC on Nexus 5505, 7009 switches.
• Comprehensive expertise in the implementation of optimization, analysis, troubleshooting and documentation of LAN/WAN networking systems.
• Expertise in Configuration of Virtual Local Area Networks (VLANS) using Cisco routers and multi - layer Switches and supporting STP, RSTP, PVST, RPVST along with trouble shooting of inter-VLAN routing and VLAN Trunking using 802.1Q.
• Implemented redundancy with HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP) etc.
• Proficiently implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list.
• Hands on experience in deployment of GRE tunneling, SSL, Site-Site IPSEC VPN and DMVPN.
• Managed inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.
• Knowledge in OTV, Virtual Device context, Fabric path, Virtual Port channel and VSS cluster.
• Expertise in OSI layer model/TCP/IP and Checkpoints.
• Hands on experience on Nexus 7000, Nexus 5000 and Nexus 2000 switches.
• Extensive knowledge and experience of routing and switching protocols RIP, OSPF, EIGRP, BGP and VLAN.
• Good Knowledge in troubleshooting issues on NAT. Good knowledge on Azure.
• Expertise in IP subnetting and worked on various designing and allocating various classes of IP address to the domain
• Extensive hands-on experience in working with complex routed LAN and WAN networks, and preparing technical documentation. Server and Break-fix.
• Involved in troubleshooting network traffic and its diagnosis using tools like ping, traceroute, WireShark, TCP dump and Linux operating system servers.
• Sound knowledge of Routing and Switching concepts and MPLS design.
• Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS and also in ELP.
• Worked extensively 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 Python.
• Experience configuring Virtual Device Context in Nexus 7010, 7009.
• In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 GigE circuits, Firewalls.
• Worked on ASR 1000 series routers.
• Experience with checkpoint and Cisco ASA environment and Checkpoints and also worked with ELP.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
• Experience in Cisco security: Telnet, SDM, NAT/ACLs, AAA, Layer 2 Security, Layer 3 Security, IPS/IDS, Cisco (ASA, PIX) 5510, Cryptography, VPN, IPsec.
• Cisco Identity Services (ISE) Security

TECHNICAL SKILLS:

Cisco Routers: 2600, 2900, 3600, 3800, 7200 and 7600

Cisco L2 & L3 Switches: 2900, 3560, 3750, 4500, 4900, 6500, Nexus 5K/7K

LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet, SMTP, VLAN, Inter-VLAN Routing, VTP, STP, RSTP, Light weight access point, WLC.

WAN Technologies: PPP, HDLC, (E1/T1/E3T3), DS3, OC192, MPLS, VPN

Network Security: Cisco ASA 5585, ACL, IPSEC, SSL, VPN, IP-SEC VPN

OS products/Services: DNS, DHCP, Windows (2000/2003/2008 , XP), UNIX, LINUX.

Routing Protocols: RIP v1/v2, OSPF, EIGRP, IS: IS, BGP, PBR, Route Filtering, Redistribution, Summarization, and Static Routing,RSVP.

Gateway Load Balancing: HSRP, VRRP, GLBP

Various Features / Services: IOS and Features, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP and FTP.

Network: Wireshark, Netflow Analyzer, Cisco Works, Ethereal, SNMP, HP open view, Ethereal, OSI, TCP/IP, Routing Algorithms, Congestion Control (RSVP, QoS), MPLS, Web Caching, Wireless Networking, Network Applications, Python Scrpting (DNS, WINS, SMTP, FTP, HTTP, DHCP

Security Server Protocols: TACACS+, RADIUS

Load Balancers: Cisco CSM, F5 Networks (Big-IP) LTM 8900, Cisco ACE 4710.

Operating Systems: Windows (98, ME, 2000, XP, Server 2003/2008, Vista, Windows 7), Linux

NMS: Cisco ASANAM, Solar winds

PROFESSIONAL EXPERIENCE:

Confidential, Warren, NJ

Sr. Network Engineer

Responsibilities:

• Installing, Maintaining and Troubleshooting of Cisco ASR 1K, 7200, 3925E and 2951E Routers and Cisco 6500, 4510, 4500-X, 4948, 3560X, 3750X and 2960S Switches for deployment on production network.
• Maintain, upgrade and commission of branch and campus sites connectivity into data centers and create a seamless network hardware standard across all North American branches.
• Installing and configuring new Cisco equipment including Cisco catalyst switches 6500, Nexus 7010, Nexus 5548 and Nexus 2k as per the requirement of the Organization.
• Installation and deployment of new Server farms in multiple silos.
• Design, Install and consolidation of local server farms in multiple branch locations with Cisco 4500-X at distribution and 4948's replacing the 3750's at access level.
• Worked as a part of data center deployment where we converted from Cisco 6500 to Nexus.
• Experience configuring VPC (Virtual Port Channel), VDC (Virtual Device Context) in Nexus 7010/7018
• Experience with configuring FCOE using Cisco nexus 5548
• Configured Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000 to connect servers and storage devices.
• Worked primarily as a part of the security team and daily tasks included firewall rule analysis, rule modification and administration.
• Implementation of L3 MPLS-VPN and Migration of branches to the new MPLS cloud.4
• Managing and providing support to various project teams with regards to the addition of new equipment such as routers switches and firewalls to the DMZs.
• Configuring Static, BGP and OSPF Routing Protocols on Cisco Routers.
• Configured Site-to-Site IPsec VPN tunnels to peer with different clients and each of client having different specifications of Phase 1 and Phase 2 policies using Cisco ASA 5500 series firewalls.
• Working on as security devices ASA, juniper, Palo Alto firewalls, routers, switches
• Configured Easy VPN server and SSL VPN to facilitate various employees' access internal servers and resources with access restrictions
• Configured inside ACL, outside ACL, inside, outside interfaces.
• Configured NAT and PAT policies.
• Configuration and troubleshooting of EIGRP, OSPF, BGP.
• Configuration and troubleshooting of CSM, integration with ASA devices.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500.
• Experience in migration of VLANS.
• Implementation of Access Lists for allowing/blocking desired traffic.
• Configuring VLANs/routing/Netting with the firewalls as per the network design.
• 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.
• Worked on F5 BIG IP LTM 3600 load balancers to configure Nodes, Pools and VIP's on a need basis.
• Designed and implemented DMZ for Web, Mail & FTP Servers using Cisco ASA5500 Firewalls.
• Worked extensively on Cisco ASA 5500(5510/5540) and experience with deploying rules to the Cisco ASA solution.
• Building the VPN tunnel and VPN encryption.
• Mapped, Network Diagrams and physical identification in MS Visio.
• Updated documentation as necessary and worked with ELP and C.heckpoints
• Preformed IOS upgrades on Cisco routers and switches
• Worked with engineering team to resolve tickets and troubleshoot L3/L2 problems efficiently.
• Propose network redesign based on client hardware guidelines, network policies and individual site's unique characteristics.

Confidential, Warren, NJ

Sr. Network Engineer

Responsibilities:

• Configuring Static, IGRP, EIGRP, and OSPF Routing Protocols on Cisco 1600, 2600, 2800, 3600, 7300 series Routers.
• Configured Site to Site IPsec VPN tunnels to peer with different clients and each of client having different specifications of Phase 1 and Phase 2 policies using Cisco ASA 5500 series firewalls.
• Worked extensively with Nexus 7000, 5000, 2000, Cisco 6500 series multilayer switches, Cisco 2960s series switches and Cisco 3560/3750s switches
• Set up VSS cluster, ether channel, VLAN trunking, VTP and inter-VLAN routing on 6506.
• Configure VDC, OTV and VPC on Nexus 7000 and Nexus 5000
• Configure various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches and Access layer switches such as Cisco 4510, 4948, 4507 switches for VLAN, Fast Ether Channel configuration
• Responsible for creating, modifying, removing VLAN Private VLAN’s configs as per the need
• Engaged in Network Cutover for multiple sites
• Upgrade Cisco 6500, 3750, 2960s, Nexus 5000, Nexus 2000, Nexus 7000 switch IOS software
• Support after hours cut-over issues, Opening trouble tickets with NOC for special support Responsible for entire company network infrastructure that includes Cisco Switches, Routers, Firewalls, Access Points, Servers and PBX.
• Migrated Servers from 6500 Platform to Nexus without any application outage
• Configured inside ACL, outside ACL, inside, outside interfaces.
• Configured NAT and PAT policies and worked on azure.
• Configuration and troubleshooting of EIGRP, OSPF, BGP.
• Configuration and troubleshooting of CSM, integration with ASA devices.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500.
• Experience in migration of VLANS.
• Implementation of Access Lists for allowing/blocking desired traffic.
• Configuring VLANs/routing/NATing with the firewalls as per the network design.
• 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.
• Provided proactive threat defense with ASA that stops attacks before they spread through the network.
• Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.
• Worked extensively on Cisco ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.
• Worked on migration of existing PIX firewall to ASA firewall, PIX OS upgrade from 6.3 to 7.0.
• Design and Implement DMZ for FTP, Web and Mail Servers with CISCO PIX 506, PIX515
• Worked extensively on Cisco ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.
• Building the VPN tunnel and VPN encryption.
• Mapped, Network Diagrams and physical identification in MS Visio.
• Updated documentation as necessary.
• Preformed IOS upgrades on cisco routers and switches
• Worked with engineering team to resolve tickets and troubleshoot L3/L2 problems efficiently.
• Configured Cisco 2800, 3800 routers and 3750, 4500, 6500 switches as part of the implementation plan.
• Propose network redesign based on client hardware guidelines, network policies and individual site’s unique characteristics.
• Preformed installation, cabling and cable testing.
• To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/ switches and Cisco 3640/1200/ 7200/3845/3600/2800 routers, Cisco Nexus 7K/5K/2K, Cisco ASA 500, Checkpoint, windows server 2003/2008: RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP

Confidential, Washington, DC

Network Engineer

Responsibilities:

• Troubleshooting the TCP/IP networks for connectivity, outages and slow network issues and recommended appropriate and cost-effective solutions for the congestion.
• Network consists of Heavy Cisco equipment such as:
• Cisco 2924 switches, Cisco 5500 series Layer 3 switches, Cisco 7200 series routers, 500 series and Wireless Access points Cisco 1230.
• Set up HSRP, VLAN trunking 802.1Q, ether channel, VTP and inter-VLAN routing on catalyst 6509 and 6513
• Lead Engineer for Network refresh project for Multinational insurance company. Providing remote assistance for replacing exiting switches with new Cisco switches.
• Manager Suite, DNS Servers, DHCP Servers, NTP Server, TFTP Server, HP Blade systems.
• Configuring routing protocols OSPF, EIGRP,RIP, MPBGP, LDP and BGPV4
• Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst
• Build Logical design and Implementation of Wireless Solution and worked on Azure.
• Technologies supported (but not limited to) include dial up connections, ISDN, T1/E1,MPLS, HSRP, NAT, Quality of Service, Voice over IP,WLAN, Redistribution
• Experience working on Voice Based Networks
• Implemented, configured redundancy protocols HSRP, VRRP, GLBP for Default Gateway Redundancy.
• Responsible for Cisco ASA firewall administration across our global networks
• Experience with migration Hybrid based Cisco CatOS and Native Cisco IOS on 6500 switches.
• Configured various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550.
• Converting CatOS to Cisco IOS Config Conversion on distribution layer switches
• Configured various Router interfaces like T3 & Channelized T1 interfaces
• Configuring and troubleshooting CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640, Cisco GSR 12416,21418(with PRP and RPR processors)
• Excellent Troubleshooting Skills and Customer Centric approach.
• Worked on Firewall Administration, Rule Analysis, and Rule Modification.
• Configuring and implementing F5 BIG-IP,LTM,GTM load balancers to maintain global and local traffic
• Extensive layer 1 and 2 troubleshooting support on IOS, IOS-XR.
• In-depth Cisco IOS experience in High Availability environment.
• Hands on experience with ASR 1K routers.
• Responsible for Check Point and Cisco ASA firewall administration across global.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
• Upgraded Cisco ASA 5510 firewalls using 6500/7600 catalyst modules for enhanced performance, security and reliability. Security policy review and configuration in Palo Alto and Juniper SRX Firewall in Datacenter. Troubleshooting of CISCO routers like ping, trace route and basic issues.

Environment: Cisco 3560/2950/2924/6509/6513/5500 switches, Cisco 3825/3640/7200 routers, VPN, BGP, OSPF, RIP, EIGRP, F5 BIG-IP, LTM, GTM, Nexus Switches 2K/5K/7K, VLAN, VTP, Checkpoint, HP Blade systems.

Confidential, Reston, VA

Network Engineer

Responsibilities:

• Responsible for implementing, supporting, and maintaining 24x7 network services.
• Coordinated efforts with Engineer's to ensure all network devices conformed to defined network standards.
• Configured and troubleshooting HSRP, BGP, OSPF, EIGRP, MPLS WAN, QoS and Route Maps.
• Configured and maintaining Cisco 7200, 4400, 5000 and 6500 platforms.
• Troubleshoot connectivity issues involving VLAN's, OSPF, QoS etc.
• Support, monitor and manage the IP network.
• Experience with configuring Nexus 5000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 7000. .
• Hands-on experience with Routers, Switches, TCP/IP, Routing Protocols (BGP/OSPF), and IP addressing.
• Installed different software on the systems. Install and managing network devices including Hubs, Switches.
• Layer 2 switching technology architecture, implementation and operations including L2 and L3 switching and related functionality. This includes the use of VLANS, STP, VTP and their functions as they relate to networking infrastructure requirements including internal and external treatment, configuration and security.
• Configuration and troubleshooting of Cisco catalyst 6509, 7613 with supervisor cards.
• Estimated Project costs and created documentation for project funding approvals.
• Managed various teams involved in site surveys, cabling specifications, Network equipment installation and configuration.
• Planned resources and presented project status to higher management.
• Deployed 7613 as PE and CE router and configured and troubleshooted the Edge Routers.
• Excellent troubleshooting knowledge on T1, T3, OC-3 and OC-12.
• Created and delivered internal trainings for BGP.
• Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
• Ability to analyze, configure and troubleshoot networks.
• Designed and implemented Cisco VoIP infrastructure for a large enterprise and multi-unit office environment. Met aggressive schedule to ensure a Multi-office reconfiguration project which was successfully delivered
• 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
• Supporting EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations
• Configured ESX server 3 virtual switching at port level
• Assigning and configuring the IP address and VLANs for VM servers
• Extensive experience with setting up Web Security Gateway including configuration of exceptions, tunneling and SSL decrypt bypass. Data Security module for DLP including rules and policy setup and E-mail Security including configuration as an in-bound/out- bound external e-mail gateway with services such as proof point.

Environment: Net Flow,TACACS,EIGRP,RIP,OSPF,BGP,VPN,MPLS,CSM,SUP720, Ether Channels, Cisco 7200/3845/3600/2800 routers, Fluke and Sniffer, Cisco 6509/ 3750/3550/3500/2950 switches, Checkpoint firewalls(SPLAT).

Confidential, Chicago, IL

Network Engineer

Responsibilities:

• Connected switches using trunk links and Ether Channel.
• Responsible for maintenance and utilization of VLANs, Spanning-tree, HSRP, VTP of the switched multi-layer backbone with catalyst switches.
• Implemented redundant Load balancing technique with Internet applications for switches and routers.
• Support Network Technicians as they require training & support for problem resolution including performing diagnostics, & configuring network devices
• Used Network Monitoring tool to manage, monitor and troubleshoot the network.
• Configured Cisco IOS Feature Set, NAT and Simple Network Management Protocol (SNMP) for Network Security implementation.
• Provided Level 1 Support for Broadband Connection to Virgin Media customer
• Worked As a Technical Support Executive under Virgin Media.
• Performed extensive traffic engineering to best utilize upstream transit providers and peering relationships. Resulting in significant fiscal saving.
• Responsible for turning up new Netaxs BGP peering and customer sessions, as well as debugging BGP routing problems.
• Received inbound calls of technical nature, independently resolved customer complaints, concerns and inquiries regarding their Internet connection.
• Set up Home Network and provided troubleshooting and full support on virgin- media security Software (PC-guard).
• Troubleshoot a wide range of technical support issues and connectivity problems such as authentication, connection speed, e-mail configuration, and loss of synchronization.
• Experience in new employee mentoring, training and coaching.
• Configured Firewall logging, DMZs& related security policies & monitoring.
• Provide consultancy services to customers on a variety of network security products including firewalls, VPNs, authentication, load-balancing F5, data loss prevention, security information and event management.

Confidential, Madison, WI

Network Engineer

Responsibilities:

• Experience in Cisco 7200, 7600 routers, Cisco series switches: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay and ATM).
• Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications. Configured Cisco Routers for OSPF, RIP, IGRP RIPv2, EIGRP, Static and default route.
• Configured the Cisco router as IP Firewall and for Natting.
• Worked with the Help Desk for circuit troubleshooting to give Support to the Tech persons at the site.
• Configuring routers and sending it to Technical Consultants for new site activations and giving online support at the time of activation.
• Supporting Development team for the access to corporate network and outside world. Providing access to specific IP, Port filter and port access.
• Switching (Ethernet) related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
• Installed and configured PIX 520, 525, 535 series firewalls, configured standard and extended access-lists and policy- based filters.
• Configured ASA 5510 appliance and VPN.
• Responsible for implementing QOS prioritizing voice traffic over a data.
• Implemented SNMP on Cisco routes to allow for network management. Completed the installation and configuration of T1, T3 & OC3 circuits.
• Troubleshoot TCP/IP problems and troubleshoot connectivity issues.