Sr Network Engineer Resume
Wilson, NC
SUMMARY
- CERTIFIED network professional wif 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 knowledge 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 wif 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 wif 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 wif the ability to work independently or as an integral part of a team and committed to highest levels of professional.
- Experience wif Change management process and Project documentation tools like Excel and VISIO.
TECHNICAL SKILLS
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
PROFESSIONAL EXPERIENCE
Confidential, Wilson, NC
Sr Network Engineer
Responsibilities:
- 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 wif 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 wif the Trouble Tickets on F5 Load balancers.
- Switching experience includes Cisco Catalyst switches: CISCO 3750, 4500, 6500 series switches
- Assistance for replacing existing switches wif new Cisco switches.
- Configuring Vlan’s, VTP’s, enabling trunks between switches.
- Configured VLANs wif 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 wif Wan Optimizer ( Cisco WAAS )
- Experience wif 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 wif 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 wif IPSEC & GRE VPN between remote sites.
- Configuring & troubleshooting ASA firewalls ( 5510, 5520, 5550 & 5585 )
- Experience working wif 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.
Confidential
Associate Consultant
Responsibilities:
- 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 wif F5 Big IP load balancer and control traffic of web servers, applications and database for LAN traffic management.
- Experience working wif 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 wif co-ordination of Telco's)
- Capacity management (determining WAN bandwidth & planning as per site requirement & upgrading the link).
Confidential
Network Engineer
Responsibilities:
- Worked on Cisco 2500, 2600, 2800 series routers and 1900, 2900, 3560, 3750,6509 Series switches
- Created VLAN & Inter-VLAN Routing wif 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 wif 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
Confidential
Network Engineer
Responsibilities:
- 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 Whatsup 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.
Confidential
Network Engineer
Responsibilities:
- 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.