SUMMARY:

• 8 years of experience in Cisco devices (Routing, Switching, Security, Wireless)
• Experience in Network Administration, Engineering, Operation center, Change Approver, Sr. IT consultant
• Worked in a large enterprise level data center supporting more than 800 network devices
• Worked on WAN Redesign Project (Upgrade hardware, Technology Upgrade)
• Worked on Firewall Replacement Project (PIX to ASA)
• Worked on Datacenter Migration and redesign Project
• Major network Migrations MPLS implementation, VPN implementation
• Migration of servers from Catalyst VSS to Nexus vDC/vPC Platform
• Implementation of Nexus (2k, 3k, 5k,6k,7k) in major datacenters
• QOS implementation for Latency Queueing issues
• Implemented Sourcefire IDS/IPS in New datacenter
• Implemented Layer 3 layer 2 Site to site connectivity and VPN tunnel Connectivity between Datacenters
• Integrated Active directory to ISE authencation
• Implemented TACACS, Radius, AD, ISE authentication for Wired and Wireless devices
• Datacenter hardware and technology upgrade from 4500,6500, PIX, to Nexus 7000,5000,2000 series Switches, and ASA firewall
• Datacenter Decommission Project
• Identified and fixed security and network loop holes in datacenter environment
• Replaced 6506 series switches with 4500 - X series in Access and Distribution environment
• Replaced 6509 series switches with 4500-X,6506 series in Access and Distribution environment
• New policies implemented in ASR, ISR routers, ASA firewalls, Nexus Switches, Sourcefire IDS/ IPS devices
• Identified and removed unnecessary configuration Cleanup on network devices and ASA firewall with Tufin-Network security management tool
• NTP server, logging server, NMS servers upgrade in 500 network devices
• Good knowledge on Palo alto (PAN upgrade, ACL, NAT file analyze,), Checkpoint (VPN, ACL, NAT) firewalls and Citrix NetScaler, F5 load balancer (VIP, MIP creation, Pool Members, License, Objects, Health verification, algorithm)
• Prepared drawings (High level and Low level design), detail documentation (network checklist, network documentation, configuration templates) of Datacenter migration, Sourcefire, WLC and ISE implementation
• IOS and NXOS upgrade on Cisco devices ( Routers, Switches, firewalls, IDS/IPS, WLC)

PROFESSIONAL SUMMARY:

Confidential, Phoenix, AZ

Sr. Network Consultant

Responsibilities:

• Configuring devices and preparing drawings for new site
• Remote site network design, implement and troubleshoot in various network environments
• Configuring CISCO devices 2900, 3550, 4500, 6509, 4510, 4948, 4507 switches Nexus 7K/5K/2K/3K switches, ASR, ISR, 2600, 2900 Routers, ASA 5585 firewall.
• Configured ISE, WLC, Sourcefire, ACS servers
• High level and Low level design, Datacenter design, discussions with Architect Team
• Implemented Static, BGP, EIGRP, vDC, vPC, FCOE, Fabric path, FEX, VSS, QOS, site to site VPN on production environment
• Participated in “on call” rotation and provided network support for new application releases
• Worked on Cisco IronPort web Proxy and configured cisco, Aruba wireless controllers and access points
• Experience on Citrix NetScaler Load balancer
• Worked on Hitachi VSP, Quantum, Whiptail Backup servers, HP and Dell Media servers
• Provide 24/7 technical support for managed security services, security engineering, infrastructure
• Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems
• Experience on configuring and maintaining stability of datacenter devices (servers, firewall, Switches, Routers) consist of various vendors Cisco, Brocade, Dell and Hitachi devices.
• Worked with Internet Service Providers and business partner vendors on activation of new WAN links
• Worked on various WAN technologies like E1/T1/E3/T3,HDLC,MPLS
• IntegratedTufinproducts into complex security environments with all Cisco Firewalls, SIEM (IDS/IPS), switches, routers and other security tools
• Performed racking, un-racking of network devices on datacenter racks
• Configure Access list, NAT policies on ASA firewalls.
• Configuring QOS to support low latency for SQL and Backup servers
• Configured and Troubleshoot DNS/DHCP servers and issues within the LAN network
• Support Citrix (XenApp, XenDesktop and XenServers)
• Palo Alto Rule changes PA-2000/PA-4000, templates, object creation, planning, configuration changes, OS upgrades, CLI troubleshooting, audits all single managed.
• IOS and NXOS upgrade on production devices as per company standards
• Create and get approval of change request by attending CAB (Change Advisory Board) meetings
• Attended meeting with other teams to get downtime for cutover project

Confidential, New York City, NY

Sr. Network Consultant

Responsibilities:

• Extensively worked on Cisco catalyst 6509, 6506 and implemented VSS on it. Also implemented VDC and VPC on the Nexus 5505, 7009 switches.
• Provided technical support to the entire organization on software, hardware andnetwork
• Configuring Static, IGRP, EIGRP, and OSPF Routing Protocols on Cisco 1600, 2600, 2800, 3600, 7300 series Routers
• Configured and implemented MPLS with BGP protocol
• Configured of GRE tunneling, SSL, Site to Site IPsec VPN tunnels for datacenter connectivity using Cisco ASA 5500 series firewalls.
• Configuring and implementing Prefix-lists, Route-maps, and Ether-channels as per need.
• Configured Nexus 7000, 5000, 2000, Cisco 6500 series multilayer switches, Cisco 2960s series switches and Cisco 3560/3750s switches as per design specifications
• As part of server migration project, deployed Cisco Nexus switches and implemented features like FEX Links, VPC, VDC, OTV Fabric Path.
• Configuration and testing various networking equipment for production rollout
• Responsible for creating, modifying, removing VLAN, Private VLAN’s configurations as per the need experienced in working with F5 LTM
• Knowledge of and experience with various system, network, and security practices. (F5, ASA, Palo Alto
• Upgrade IOS/NXOS on Cisco 6500, 3750, 2960s, Nexus 5000, Nexus 2000, Nexus 7000 switches
• Implement STP, RSTP, PVST, RPVST, HSRP, VRRP, GLBP, LACP redundancy on layer 2 and Layer 3 level
• Migrated Servers from 6500 VSS Platform to Nexus 7000 without any application outage
• Good knowledge and hand on experience of implemented firewall policies on Palo Alto PA-4060, PA-4050 and Secure Platforms

Confidential, Wilson, NC

Network Engineer

Responsibilities:

• Configured Nexus 5K, 7K, Cisco 3900, ASR 1K routers and 2960, 3750, 6500 switches as part of the day to day activities
• Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.
• Configured EBGP load balancing and Ensured stability of BGP peering interfaces
• Configured various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Supporting EIGRP and BGP by resolving level 2 &3 problems of internal teams & external customers of all locations
• Worked on Route-Reflectors to troubleshoot BGP issues related to customer route prefixes also route filtering using Route-maps
• Design next generation LAN and WAN architecture for high performance, availability and redundancy
• Performed F5 appliance (LTM, GTM, APM, and ASM) maintenance and system upgrades including hot fixes and security configurations
• Built and maintained national MPLS and VPLSnetworksacross multiple carriers
• 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

Confidential, NJ

Network Engineer

Responsibilities:

• Responsible for implementing, supporting, and maintaining 24x7 network services.
• Configured and troubleshooting HSRP, BGP, OSPF, EIGRP, MPLS WAN, QoS and Route Maps.
• Troubleshoot connectivity issues involving VLAN's, MPLS, DMVPN, PFR, VDC, VPC OSPF, QoS etc.
• Experience with configuring Nexus 5000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 7000..
• Configure SNMP, SSH, Syslog, AAA, IP flow on network devices
• Configuration and troubleshooting of Cisco catalyst 6509, 7613 with supervisor cards.
• Managed various teams involved in site surveys, cabling specifications, Network equipment installation and configuration.
• Deployed 7613 as PE and CE router and configured and troubleshoot the Edge Routers.
• Excellent troubleshooting knowledge on T1, T3, OC-3 and OC-12.
• Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
• Configured ESX server 3 virtual switching at port level
• Assigning and configuring the IP address and VLANs for VM servers
• Experience in NIC teaming.

Confidential, Reston, VA

Network Administrator

Responsibilities:

• Provide Tier 3 network support on core, distribution and Access layer for new application release
• Identify EOL and EOS on hardware in network and upgrade the latest hardware as per company standards
• Identify and fix network related issues across the company network
• Configure devices in network management tool like Solar winds and ISE
• Perform IOS upgrades on cisco catalyst switches and ASA firewalls
• Participate in meetings with engineering team and work to improve security of network
• Troubleshoot issues with Routers, Switches, Firewalls and Wireless Access point
• Configure Ether channel, port security, VLAN, VTP, SNMP, Net flow, on Cisco devices
• Create Objects, Temporary Access list policies and routing implementation in Cisco ASA firewall
• Configure routing protocols like BGP, EIGRP based on client requirement and standard document

Confidential

NOC Engineer

Responsibilities:

• Configuring and troubleshooting multi-customer ISP network environment.
• Involved in network monitoring, alarm notification and acknowledgement.
• Implementing new/changing existing data networks for various projects as per the requirement.
• Troubleshooting complex networks layer 1, 2(frame relay, ATM, Point to Point, ISDN) to layer 3 (routing with MPLS, BGP, EIGRP, OSPF and RIP protocols) technical issues.
• Used Wireshark for network packet capture.
• Providing support to networks containing more than 2000 Cisco devices.
• Performing troubleshooting for IOS related bugs by analyzing past history and related notes.
• Sought out new peering relationships, at both public exchange points as well as via private interconnects.
• Carrying out documentation for tracking network issue symptoms and large scale technical escalations.
• Managing the service request tickets within the phases of troubleshooting, maintenance, upgrades, fixes, patches and providing all-round technical support.
• Commissioning and Decommissioning of the MPLS circuits for various field offices.
• Preparing feasibility report for various upgrades and installations.
• Installation and maintenance of new network connections for the customers.
• Installing new equipment to RADIUS and worked with MPLS-VPN and TACACS configurations.
• RF Design, Network Planning, and Optimization Experience of Leading Mobile Network Operator Airtel.
• Installing and maintaining local as well as network printers.
• Installing and maintaining Windows NT Workstations and Windows NT Server.
• Providing technical support to LAN & WAN systems.
• Monitoring Memory/CPU on various low-end routers in a network.