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Sr Network Engineer Resume

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Wilson, NC


  • CERTIFIED network professional with over 12+ years of experience in experience in network implementation, and support.
  • Routing, switching, implementation and troubleshooting of complex network systems.
  • Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, ATM, bridges, routers, hubs and switches.
  • Experience in configuring and Troubleshooting BIG - IP F5 load balancer LTM
  • Creating Virtual Servers, Nodes, Pools on BIG-IP F5 in LTM module
  • Worked on Cisco Load Balancer ( ACE ) in troubleshooting Server farms, Rservers and upgrading certificates
  • Experienced working on network Sniffer tools like, Wireshark, OPNET, OBSERVER.
  • In-depth noledge and experience in WAN technologies including OC3, E3/T3, E1/T1, Point to Point, MPLS and Frame Relay.
  • Experience in Configuring and implementing VLAN, VTP domains, LAN switching and STP/RSTP
  • Experience on Wide area application services (Cisco WAAS).
  • Experience in QOS.
  • Proficiency in configuration of VLAN setup on various CISCO Routers and Switches.
  • Extensive hand on experience with complex routed LAN networks, CISCO Routers and Switches.
  • Working configuration of new VLANs and extension of existing VLANs on/to the necessary equipment to have connectivity between two different data centers.
  • Hands-on configuration and experience in setting up Cisco routers to perform functions at the Access, Distribution, and Core layers.
  • In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
  • Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP.
  • Experience through Hand-on Experience with configuring T1.5, Gigabit Ethernet, Channelized T3 and full T3, OCX, ATM, Frame-Relay Aggregating switch links using LACP and PAGP protocols.
  • Implementation and Troubleshooting of WAN authentication protocols- PPP, CHAP and PAP.
  • Experience in site-to-site and remote access VPN solutions.
  • Experience working on ASA firewall.
  • Extensive experience in configuring and troubleshooting of protocols OSPF, BGP
  • Well experienced in configuring HSRP, VRRP & GLBP.
  • Excellent communication skills, enthusiastic, motivated and a team player.
  • A highly organized individual who adopts a systematic approach to problem solving, TEMPeffectively analyzes results and implements solutions.
  • Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professional.
  • Experience with Change management process and Project documentation tools like Excel and VISIO.


Routers: Cisco 2800,2900, 3800,3900,7200 series

Switches: Catalyst 2950,3700, 5500, 6500, Nexus

Sniffers: Wireshark, Opnet, Observer

Load Balancers: Cisco ACE & F5

Wireless: Cisco 5508 controllers, Access points

Switching Techniques: STP,RSTP, MSTP

Routing Protocols: RIP, OSPF, BGP

WAN Protocols: Frame Relay, HDLC, PPP

Monitoring Tools: MTAAS, HPOV, NETQOS

Ticketing Tools: Remedy, Service Now, HPNAS

WAN Optimizer: Cisco WAAS (WAVE-594- K9).

Firewall: IPSEC & SSL VPN, ASA( 5510,5520,5550 & 5585 )

Redundancy Protocol: HSRP, VRRP, GLBP


Confidential, Wilson, NC

Sr Network Engineer


  • Serve astechnicalnetwork administrator managing10000+Cisco devices (3550, 3750, 4506, 5505,and 6509/6513) at centraloffice andover 200 remote locations.
  • Worked on route redundancy for core and management routers using HSRP, VRRP
  • Responsible for maintaining the entire Routing and switching domain across the campus / Branch to head office and also the Layer-2 campus network across the remote branches which included configuring VLANs and Trunks, Spanning Tree protocol, Port-Security, VLAN-MAPs and DOT1X for switches and Wireless.
  • Monitored network traffic and developed capacity planning initiatives, making necessary recommendations additional resources or hardware.
  • Actively involved in five Conversion projects (External Network infrastructure is merged with client infrastructure) which includes configuring, code upgrades, troubleshooting application slowness issues & Network Compliance.
  • Responsible for creating network documents and Visio drawings for smooth and efficient network operations.
  • Troubleshoot issues related to VLAN, VLAN Trunking, HSRP failovers and related issues.
  • Planning for upgrade of IOS on devices and performing the upgrade.
  • Assisted in the architecture, evaluation and recommendations related to purchasing and installing hardware, software related to IP Networking.
  • Possess a good experience working with the Trouble Tickets on F5 Load balancers.
  • Switching experience includes Cisco Catalyst switches: CISCO 3750, 4500, 6500 series switches
  • Assistance for replacing existing switches with new Cisco switches.
  • Configuring Vlan’s, VTP’s, enabling trunks between switches.
  • Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
  • Configuring routing protocols OSPF,BGP
  • Actively involved in Data Center Migrations and its operations
  • Equipment RMAs, and support requests
  • Perform Certificate Upgrades on Cisco Load balancers (ACE), removing servers from Load Balancing, troubleshoot Rservers and server farms.
  • Worked on F5 load balancers (5250 & 3600) to maintain pools for different applications
  • Creating Virtual Servers, Nodes, Pools on BIG-IP F5 in LTM module
  • Experience with Wan Optimizer ( Cisco WAAS )
  • Experience with Sniffer tools Wireshark, Opnet & Observer
  • Experience Working on Cisco Wireless Controllers & Access points.
  • Working Knowledge on Qos
  • Worked on DMZ, Intranet, and Extranet & Core Infrastructure environment.
  • Responsible for all T1 Backup links Migration.
  • Preparing project status reports for WAN links Utilization( IT Planning )
  • Assist Engineering with low level design for Branch sites.
  • Validating the Equipment’s in the new implemented sites and ensure the Operations are running normal.
  • Working on compliance issues reported for all Network devices.
  • Experience with IPSEC & GRE VPN between remote sites.
  • Configuring & troubleshooting ASA firewalls ( 5510, 5520, 5550 & 5585 )
  • Experience working with Nexus5000 series to provide a Flexible Access Solution for a datacenter access architecture
  • My responsibilities also include writing and executing Test Plan, Desk level procedures and Test Case documents smooth network operations.
  • Involved in performing pro-active Health check’s on the infrastructure to provide a stable environment.


Associate Consultant


  • Implementation &Trouble shooting Cisco Catalyst switches( 3750, 6509, Nexus 5K) & Routers ( 2800,3845, 7200 )
  • Upgraded the IOS images of switches and routers using TFTP sever depending upon the necessity of the environment
  • Resolving routing and switching related real time performance issues
  • Administration of FWSM firewalls in the DMZ Controlled/ restricted access.
  • Configure F5 Big IP load balancer.
  • Creating Pools, virtual servers and health monitors in F5.
  • Experience with F5 Big IP load balancer and control traffic of web servers, applications and database for LAN traffic management.
  • Experience working with Nortel routers and switches.
  • Configuring & Implementing DHCP Servers (creating new scopes and sub scopes).
  • Experience working on Cisco 340 & 350 access points.
  • Configuring & troubleshooting of Aruba access points.
  • Worked on Marconi ATM switches.
  • Test services following Methods and Procedures
  • Applying and troubleshooting access list as per user requirement in FWSM
  • Provided Layer-3 redundancy by implementing HSRP Troubleshooting STP.
  • Performed RIP, OSPF, EIGRP routing protocol administration
  • Involved in monitoring the performance of the network, theirby identifying the bottlenecks in the network, troubleshooting the connectivity problems using Ping, Trace route, and Telnet.
  • Experience working on WAN links (intrusive & non-intrusive testing with co-ordination of Telco's)
  • Capacity management (determining WAN bandwidth & planning as per site requirement & upgrading the link).


Network Engineer


  • Worked on Cisco 2500, 2600, 2800 series routers and 1900, 2900, 3560, 3750,6509 Series switches
  • Created VLAN & Inter-VLAN Routing with Multilayer Switching.
  • Upgraded the IOS images of switches and routers using TFTP sever depending upon the necessity of the environment.
  • Assisted in Troubleshooting LAN connectivity and hardware issues.
  • Resolving routing and switching related real time performance issues
  • Maintained Redundancy on Cisco 2600, 2800 and 3600 routers with HSRP.
  • Performed RIP, OSPF, EIGRP routing protocol administration.
  • Performed replacements of failed hardware and upgraded software
  • Configure F5 Big IP load balancer.
  • Creating Pools, virtual servers and health monitors in F5.
  • Performed replacements of failed hardware and upgraded software
  • Monitoring of Database servers, Web logic servers, SMS servers, Billing servers, IVR Servers, partner interfaces.
  • Monitoring of Bandwidth through Solar winds.
  • Monitor and escalate network and server outages using monitoring tools (HP Open View, Netcool, BEA, etc.)
  • Monitor and track Change Requests
  • Test services following Methods and Procedures
  • Maintain Shift Turnover Reports
  • Review and update Method and Procedures
  • Escalate Voice\Voicemail Issues to Sprint and Telcordia.
  • TEMPEffectively communicate issues and symptoms to appropriate teams
  • Assist IT Operations groups and partners in troubleshooting efforts


Network Engineer


  • Managing Cisco Layer2, Layer3 switches & Routers on the network.
  • Configuration & Implementation of Cisco 3750, 2950 & Dlink 3226.
  • Configuration & Implementation of STP on Cisco 2950 switches in Ring Topology
  • Configuring and Tweaking Cisco 2950 switches for Broadcast Related Issues.
  • Understanding and configuration of routing concepts like OSPF.
  • Installation & Configuration of networking software Products like Cisco Network Registrar and Public Ethernet Manager.
  • Monitoring of Bandwidth through MRTG.
  • Configuration and Management of Network monitoring tools like Watsup GOLD and Netcool.
  • Configuration and Installation of DSLAMS like Ericsson & Lucent.
  • Thorough understanding in configuration of LAN /WAN, communication network operating system, h/w peripherals, OSI layer application.
  • Troubleshooting and maintenance of lease lines between nodes.
  • Design and configuration of E1 converters to give Internet and E1 connectivity on lease lines.


Network Engineer


  • Implementing, Managing, Administering and Troubleshooting Internal Network.
  • Configuring SMC Router & linkys Routers, and to provide networking solution.
  • Working over various Nating devices.
  • Configuring various cable modems & troubleshooting of cable modems.

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