SUMMARY

• 7 years of IP networking systems architecture, planning and engineering, IP network operations, Multi - vendor IP network design for small, medium and large data-centers, customers and network operation centers.
• IP network design and administration with multi-vendor platforms with TCP/IP, LAN switching, Spanning-Tree and various Cisco IP routing protocols RIP, BGP, EIGRP and OSPF.
• IP route redistribution; static routing configuration for network connectivity.
• Spanning-Tree Protocol and VTP tuning, design and upgrades for large and small customers.
• In-depth knowledge and hands-on experience on IP Addressing, Subnetting, VLSM and ARP, reverse & proxy ARP and Ping Concepts.
• Implemented data center core redundancy contingency counter measures with HSRP and GBLP.
• Strong hands on experience in installing, troubleshooting, configuring of Cisco 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches, Nexus 7K, 5K (5548’s), 6K, 3K (3048’s and 3064’s), 2K (2232, 2248’s).
• Great team player and able to work under pressure.
• Experienced and comfortable in working more than 40 hours per week whenever required.
• Demonstrated success record in: Managing multiple tasks with proven ability to meet deadlines and proactively identifying the problem to solve complex technical issues.
• Highly enthusiastic, creative team player, project implementation, analytical, interpersonal and communication skills.

TECHNICAL SKILLS

LAN Technologies: VLAN, VTP, Inter-VLAN routing, STP, RSTP, PVST, 802.1x.

WAN Technologies: Frame Relay, ISDN, PPP, ATM, MPLS, Channel & Leased lines.

TCP/ IP: Subnetting, VLSM.

Routing Protocols: Static, RIP, IGRP, EIGRP, OSPF, ISIS and BGP.

IP Services management: NAT, DHCP.

Network Security: NAT/PAT, VPN, Filtering, Load Balancing, IPSec, ACL, Switchport port security, Firewalls.

Infrastructure Services: DHCP, DNS, SMTP, POP3, FTP, TFTP.

Administration and troubleshooting: CDP, TELNET, SSH, ICMP, PING and TRACEROUTE, SNMP and SYSLOG, CISCO IOS software and configurations.

Network Analysis Tools: Packet Sniffer, Vitalnet, NetQoS, Net screen Manager(NSM), Wireshark, Netcool Monitoring and Infinistream Mgmt Console.

Operating Systems: Windows server 2003, Windows server 2008, Windows server 2012, Windows 2000/XP/Vista/7/8/8.1, Linux and Unix.

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Network implementation Engineer

Responsibilities:

• Worked on Data Center device deployments all over US and on several remote sites for WAN/LAN upgrades, remote sites include all Walgreens stores.
• Worked on Nexus 3k (3064’s, 3048’s), 5k, 7k and 10k devices, Arista 7050S switches and Citrix Load balancer 8600, 10500, and 13500 series.
• Worked on 2800’s, 2900’s, 3945’s, 3845’s series routers, 4948’s, 6500 series switches.
• Deployed different sets of devices as stamps to accommodate and to increase throughput/redundancy for Walgreens datacenters.
• Worked on several migration projects that involve change in architecture and reconfigurations based on client needs.
• Worked on GRE tunnels from remote sites to several datacenters.
• Worked on VRF lite, routing protocols BGP, OSPF, and layer 2 protocols MST, RSTP, PVST.
• Configured port channels/ether channels between arista and nexus devices for fiber as well as copper connectivity.
• Worked on configuring VRRP/HSRP to support redundancy in datacenters.
• Worked on troubleshooting and configuring layer 1-to-4 issues based on requests raised through Remedy.
• Worked on Visio software to create and design the network diagrams according to the business requirement.
• Hands on experience with ASR9K.
• Configuring ipv6, ipv6 based ACLS, ipv6 supporting configuration for routing protocols, route-maps, prefix-list configurations on end-to-end devices.
• Experienced working with splunk, Solar Winds, Data Mining, Dash boarding
• Day to day responsibilities include configuring network devices from scratch as a part of projects and deliver cloud services to customers with in SLA.
• Experienced working with Netscaler.

Confidential, Dallas, TX

Network/Data Engineer

Responsibilities:

• Provided real time in-depth analysis and trouble resolution of incidents associated with CISCO, Juniper, Iron Proxy, Load balancers, Infoblox, GSS and WAE associated Operations Support Systems and Data Communications Network Technology platforms.
• Experienced with F5 Load balancing and IDS/IPS (SourceFire / IBM).
• Worked with customers on daily operational calls to go over major network outages to remediate/resolve the issue on bounded SLA.
• Worked on Remedy ticketing system and ITSM.
• As part of troubleshooting worked on NSM (Net Screen Manager), for keeping track of traffic and Firewall rules which effect it.
• Hands on experience on Juniper MAG-SM360, 4610.
• Worked on Layer 2 protocols such as VTP, STP, RSTP, PVST, and MST and for VLAN troubleshooting issues.
• Worked with configuring and troubleshooting of Cisco 2900, 3500, 3500X, 3700, 4500, 6500 series switches and Cisco 7K (7010), 5k (5548) series nexus switches.
• Configured VDC’s on nexus 7K for creating multiple logical switches and HSRP and VLAN trunking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Worked on 501 Cisco PIX Firewall and 5500 series Cisco ASA Firewalls, CSM, IPSEC LAN to LAN.
• Design and implement campus switch network with Cisco Layer 3 switches (3750, 4500, 6500 & Nexus 7000, 5000, 2000 series) in multi VLANs environment and inter-VLAN routing, HSRP, 802.1q trunk, ether channel.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Maintain and troubleshoot switch applications and Network connectivity including DNS, DHCP,NTP,ACL, LAN and TCP/IP issues.
• Configured RIP, EIGRP, OSPF and BGP in routers.
• Configured MPLS L3 and L2 VPNs for customers.
• Worked on LDP and TDP
• Experienced in websphere .
• Rack and Stack, Installed and configured new routers and switches.
• Used DHCP to automatically assign reusable IP addresses to DHCP clients.
• DHCP, NTP, HSRP, GLBP, VRRP, ARP, NAT, ACL, GRE Tunneling, LDAP, RADIUS, DIAMETER, TACAS & GRE over IPSEC.
• Upgrade 12K GSR’S running IOS to IOS-XR.
• Upgrade IOS, Flash memory and DRAM on core routers and field routers.
• Configured and maintain VPN tunnels as required by the business and maintain secure firewall routing tables. Also maintained all policies pertaining to the Unified Threat Management suite.
• Build network documentation which includes accurate site inventory, site network diagrams, logical LAN/WAN diagram, network device list (routers/switches), server information sheets, network administration information document.
• Configuring, Maintaining Routers and Switches and Implementation of EIGRP, OSPF, BGP routing protocols and trouble shooting.
• Experienced in cisco WAAS.
• Provided support for incidents with PLS (Port Level Security) by working on platforms Juniper's Infranet Controller, Greatbay's Beacon Profiler/Auth-servers and Beacon Collectors.
• Worked on ACE load balancers 4710 (Standalone series) Ace 20, 30 (Modules) by Configuring and troubleshooting server farms, resource allocation on contexts, and related issues.
• Worked on issues related to TCP optimization on WAE devices.
• Provided in depth analysis using but not limited to Vitalnet, NetQoS, Net screen Manager (NSM), Wireshark, Netcool Monitoring and Infinistream Mgmt Console.
• Provided Tier 2 Support for AT&T client State Street Bank on a 24×7 rotation schedule, providing pager support for critical incidents.
• Worked with concerned Vendor TAC engineers in resolving complex issues.
• Document network problems and changes working in diverse management environments.

Confidential, Pleasanton, CA

Network Support

Responsibilities:

• Managing and trouble shooting of Cisco Nexus 7k and 6500, 4500, 4000, 4300, 3900, 5500 series. Including installation, upgrades, and configuration and management.
• Upgraded distribution Switches 6509 to Nexus 7010 with Sup 1.
• Purchasing, installation, configuration, maintenance and upgrade of network hardware, operating systems and supporting software.
• Providing design, technical support and analysis for network systems and components, LAN/WAN communications. Effectively communicates with all stakeholders.
• Conduct analysis and prepare reports.
• Working knowledge of F5 GTM, LTM.
• Experienced with CRS-1 and Alcatel-Lucent 7750 routers.
• Worked with Linux.
• Experienced with python scripting.
• Involved in Network segmentation, Network Performance Analysis and Capacity Management.
• Worked with service providers in Installing, Troubleshooting T1 and Switched Ethernet Service (SES) circuits. Experience in Configuring Site-to-Site and Remote Site VPNs, NAT/PAT policies
• Worked on Catalyst 6509 series with various line cards such as 24 port Gig E SFP, 48 port Gig E copper cards.
• Experienced with VMware ESX/ESXi.
• Worked on Storage Area Network.
• Experienced with Sonus SBC Gateways.
• Worked on DHCP snooping, dynamic ARP inspection and SOC.
• Experienced with forensics and security investigations.
• Experienced with Honeywell TDC 3000 and DCS.
• Product testing and support for a wide range of products like routers, Layer2/layer3 switches.
• Configuring and Troubleshooting with Cisco PIX/ASA and checkpoint.
• Experienced with IPS/IDS and AAA, Public Key Infrastructure and Payment Card Industry (PCI) 3.0.
• Experienced in spirent tools -Agilent, Ixia, Spirent Test Center.
• Experienced in designing and implementing Call Manager, 6.x, 7.x and 8.x systems.
• Hands on experience with Cisco Unity Voice Mail systems and integration of these systems.
• Worked on IP routing such as BGP and OSPF.
• Responsible for the design and project management of network infrastructure.
• Creates and maintains network documentation.

Confidential

Computer Systems Operator

Responsibilities:

• Assisted in configuration and installation of new servers and Cisco hardware into racks and data closets. Also did cabling runs and installs in the building.
• Provide technical support to clients through phone, ticketing system, and remote access. Include PC/server hardware and software support, and networking LAN/WAN/WLAN configurations.
• Technical support over the phone, remote access, field visits, and with the footprints ticketing system to ensure timely service and response to issues. Includes resolving various hardware, software, network issues, and documenting them.
• Assisted in troubleshooting LAN connectivity and hardware issues in the network.
• Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• Monitor performance of network and servers to identify potential problems and bottlenecks.
• Performed RIP & OSPF routing protocol administration.
• Interacted with support services to reduce the downtime on leased lines.
• Troubleshoot problems on day to day basis; provide solutions to fix the problems.
• Monitor the operability and reliability of the network.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Managed IP address space using subnets and variable length subnet masks (VLSM).
• Worked along with the team in ticketing issues; responsibilities included documentation and support other teams.