SUMMARY:

• Senior Network Engineer with around 9 years of experience in designing computer networks, including local area networks (LANs), wide area networks (WANs), Wireless, Internet, intranets.
• Extensive experience on Cisco products and operating systems, adaptability to an ever changing environment, consistent drive for better than on - time project completion.
• Hands-on experience and expertise with Cisco Nexus family of switches, Cisco Catalyst Switches 6xxx, 4xxx, 37xx,38xx,29xx, Cisco Routers, 7600, ISR 4xxx, 37xx, 36xx, 28xx, 19xx.
• Provided remote site support for the integration of network equipment via circuit provisioning and testing
• Designing and implementation of complex network projects to address and resolve business needs.
• Possess Hands-on experience with TCP/IP, LANs, WANs, and WLANs (WiFi)
• Check Point and Palo alto firewall administration.
• Performed network modification projects in relation to Wide Area Network (WAN), enterprise data centers that include routing protocol configuration changes, router/switch configuration, and firewall/VPN configuration.
• Configured Nexus 7010 including NX-OS Virtual Port Channels, Nexus port profiles, Nexus VPC peer links.
• Experience in configuring VDC, VPC and FCOE, upgrading NX-OS for Nexus Family Switches
• Meeting with and collecting data from various locations in the creation of practical network modifications for design, development, testing and eventual implementation in the production environment.
• Providing support for shift engineers and addressing the escalations.
• Providing escalation summaries and involving the right stake holders where necessary.
• Supported day to day operations that include routing, switching, firewalls, wireless and Riverbeds.
• Analyze business requirements to develop technical network solutions and their framework.
• Develop test plans, implementation plans, and project timelines for various projects.
• Perform network troubleshooting to isolate and diagnose common network problems.
• Troubleshooting and implementing GRE, MRGE, DMVPN and GRE over IPSec
• Troubleshooting issues related to Riverbed Steelhead
• Perform hardware testing in LAB as per customers requirement and providing recommendations.
• Troubleshooting of F5 Load balancer
• Cisco Secure Access Control Server (TACACS+/ RADIUS), IPAM.
• Configure SNMP on devices to allow for network management
• Upgrade network hardware and software components as required.
• Design, test, and inspect data communications systems.
• 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.
• Hands on experience with packet sniffer, TCP DUMP, Solar Winds and Wireshark for packet monitoring.
• Perform network modeling, analysis, and planning.
• Manage technology vendors and ISP’s

TECHNICAL SKILLS:

Routers: Cisco 1800, 2600, 2800, 3700, 3800, 3900, 7200, 7600 series, ASR 1k series routers.

Switches: Cisco Catalyst 3550, 3650, 3750, 4500, 6500 series & nexus 7k, 5k, 2k switches

Load Balancer: F5 Networks (BIG-IP)

WAN Optimization: Riverbed, Cisco WAAS

Routing Fundamentals and Protocols:Routed and Routing protocols RIP, EIGRP, IS-IS, OSPF, BGP; MPLS, IPv4 and IPv6 addressing, subnetting, VLSM, Static routing, ICMP, ARP, HSRP, VRRP, Route Filtering, Multicast, 802.11, Policy Based Routing, Redistribution, Port forwarding

Switching: VLAN, VTP, STP, RPVST+, Inter VLAN routing & Multi-Layer Switching Layer 3 Switches, EtherChannels, Transparent Bridging

LAN: Fast Ethernet & Gigabit Ethernet.

WAN: Leased lines 64k - 155Mb (PPP / HDLC), Fiber Optic Circuits, Frame Relay, MPLS, DMVPN

Wireless Technologies: CISCO 1200,1300 series APs(Light weight and Autonomous) and Wireless LAN Controllers 2504 and 5508, Linksys Wireless/Wi-Fi RoutersFirewalls

Cisco ASA, Palo Alto, Check Point: Features & Services

PROFESSIONAL EXPERIENCE:

Confidential, Edison, NJ

Senior Network Engineer

Responsibilities:

• Responsible for technical support of network issues for 3000 clients over more than 15 countries globally.
• Expertise on devices like Cisco switches, Catalyst Switches, Cisco Routers and Cisco Wireless.
• Provide technical assistance to customer’s network, support and manage configuration of client’s Cisco Equipment.
• ImplementedF5 Local Traffic managers (LTM), Global traffic manager (GTM), APM and ASM of series 8900, 6400, 6800, 3400, 5100, 3600.
• Proficient in F5 based profiles, monitors, VIP’s, pools, pool members, iRules for virtual IP’s
• Performed SSL Offloading on LTMs and web accelerators with 2048-bits VeriSign certificates. Also, renewing
• certificates to ensure the security of websites.
• Expert in configuring, implementing and troubleshooting A10 load balancer in the enterprise network.
• Experience with configuring Nexus2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus5000 and Fabric path and OTV in NX-OS
• CISCO ASA firewalls as Standard and Distribution deployment to have the network secure and maintained Site to Site VPN connection through the Firewalls.
• Check Point and Palo Alto firewall administration.
• Provide technical support and resolution to Customer complex network issues in time and in SLA
• Perform staging to simulate production problems and provide root-cause analysis, contributes to the knowledge base, and provides recommendations for continuous improvements to workflow, process, and technology.
• Perform vulnerability assessment for Cisco IOS and provide solutions based on the assessment.
• Designed, supported and implemented corporate LAN/WAN using CISCO routers and L2/3 switches.
• Analyze, troubleshoot and provide resolution to customer related network issue within the time specified in the SLA (Services Level Agreement- Uptime)
• Maintenance of redundant spare equipment’s for critical network devices that don't allow any outage time due to equipment failure.
• Suggesting design changes and Hardware upgrade recommendations for EOL/EOS devices.
• Perform LAB testing for hardware compatibility according to customers requirement.
• Performing IOS upgrades on multiple Cisco platform routers, switches, wireless controllers.
• Working with vendors for hardware/software defects to collectively solve the network issues for client.

Confidential-Washington, D.C.

Technical Specialist - Network

Responsibilities:

• Part of L3 Network Engineering team managing Confidential Network globally.
• Installation & Configuration of Cisco Routers, Switches and Palo Alto Firewalls (F5/Palo Alto/Cisco)
• Participates in the designs and development of LAN/WAN/WLAN Environments
• Managing WAN, LAN, Wireless and F5 Load balancers.
• Managing applications related to SharePoint farm and other business critical applications on F5 Viprion load balancers.
• Migrated 6500 Switches to Nexus 5596 and 2k Switches.
• Testing Network hardware for deployements.
• Experience with moving CC infrastructure from one location to another location, cleaning up VLAN’s and moving the PROD, NON-PROD and DMZ VLAN’s on the Nexus 5K to the New DC.
• Performed NX-OS upgrades on the 5596.
• Planning for Bandwidth upgrades/downgrades by doing bandwidth usage analysis.
• Upgraded 32 branch routers with new 3945E and ASR 1002-X routers
• Replaced all 4500 switches with 3850 Stack switches across all the branches.
• Planning, scripting and implementing changes as and when required with approvals from CAB.
• Implemented DMVPN setup for middle east sites.
• Managed and administered Check Point firewalls.
• Handling P1/P2 incidents and providing break fix by doing emergency change with approvals.
• Preparing Daily/Weekly and Monthly reports of network performance, P1/P2 tickets and Changes.
• Working with Hardware vendors and ISP for permanent resolutions of recurring problems and providing RCA and CA’s.
• Managing Riverbed CMC and troubleshooting.
• Managing monitoring tools and Configure SNMP on devices to allow for network management
• Implemented 802.1x across the organization.
• Deploying network monitoring on Solarwinds server.
• Manage and troubleshoot wireless controllers along with their corresponding access points, WLANs, and SSIDs.
• Design heat maps for new wireless installs through Cisco Prime.
• Managing IPAM and infoblox server.
• Providing On call support during Off business hours.
• Migrated Infoblox (IPAM) to Windows DHCP server.
• Creating and updating the Visio Diagram for Data center, Lan/WAN and floor wise diagrams.
• Worked on Cisco 5508 wireless LAN controller which controls more than 800 LWAP’s in different remote locations. Migrated AP’s to new controllers using Cisco Prime.
• Configure and manage wireless access points via wireless controllers.
• Upgrade Wireless controllers.
• Day-to-day network monitoring using SolarWinds NCM,NPM and Entuity Eye of The Storm
• Upgraded Solarwinds Server and installed various components like Netflow analyzer.
• Deploying and decommissioning Cisco switches/Firewalls and their respective software upgrades.
• Participate in all phases, from planning to implementation, of network infrastructure solutions in support of current and future business requirements.
• Establish and maintain strong working relationships with both internal and external stake holders
• Conducting Business Process Simulations and User Acceptance Testing.

Confidential, Stamford, CT

Senior Administrator - Network

Responsibilities:

• Part of Global Network Team (Operation Management Centre) which is responsible for remotely managing networks of Confidential global Sites through the 24x7x365 Global Network Operations Centre
• Managed routers, switches,F5’s and WAN connectivity between different businesses of Confidential
• Responsible for overall secure enterprise design of the worldwide internal infrastructure
• Configured, maintained and troubleshoot MPLS, IPSec VPN lines
• Remote administration of LAN/WAN devices and Wireless infrastructure
• Responsible for Handling high severity 0/1/2 issues
• Prepared Knowledge Base articles and updated them on regular basis when required
• Prepared daily & weekly reports
• Interacted with various vendors and make emergency changes in the network to ensure uninterrupted services
• Diagnosed, configured and fixed technical faults of various severities as defined by the business on layer 3 protocols and WAN Technologies, within the client network consisting of Technology Infrastructure, Energy, Capital, Healthcare, Money, NBC Universal and Home & Business Solutions
• Carried out joint operations call and discussing on permanent fix for frequent issues.
• Managed large networks and troubleshoot the issues within the network to provide full scalability and robustness to entire businesses which include critical businesses such as Healthcare, Money, Aviation and many others
• Guided the team on all technical aspects that are related to Incidents and giving training to them to meet the expectations