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Sr. Network Engineer Resume

2.00 Rating

Ashland City, TN

SUMMARY:

  • 7 years of experience as Network Engineer in troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, RIP & BGP, ability to interpret and resolve complex route table problems.
  • Experience in implementing and troubleshooting VLANs, VTP, STP, RSTP, and 802.1Q.
  • Experience in Cisco Routing and Switching using 3600, 3700, 3800, 5300, 6500, 4500, 7200, 7600 Nexus 7k, Nexus 5k, Nexus 2k & ASR 9000, 1000 series routers.
  • Working experience of protocols Frame relay, MPLS, ATM, and PPP.
  • Worked on MPLS - VPN designs for the migration of Frame relay to MPLS system.
  • Expert Level Knowledge about TCP/IP, Spanning-tree, and OSI models.
  • In-depth knowledge and hands-on experience on IP Addressing, Subnetting, VLSM and ARP, Ping Concepts.
  • Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP.
  • Implementation of HSRP, VRRP for Default Gateway Redundancy
  • Expert knowledge in implementing filters on Cisco routes using Standard and Extended access-list.
  • Network monitoring and testing from Operation Center (NOC) from a network management perspective.
  • Responsible for Cisco ASA firewall administration across global networks.
  • Creating Frame-relay in Cisco routers.
  • Installing and configuring of Cisco L2 & L3 Switches.
  • Exposure and hands on experience on Frame Relay, ISDN, Dial T1/E1, Point to Point Protocol, Authentication Authorization and Accounting (AAA) with different platforms of Cisco routers.
  • In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, NAT, GigE circuits, Firewalls.
  • Experience in installing and configuring Cisco Catalyst 2900, 3500, 3700, 4500, 6500, 3750 switches.
  • Routing and Switching: BGP, OSPF to include route summarization, route filtering and route redistribution. Switching to include Spanning Tree and VLAN concepts.
  • Hands on Knowledge/experience on A10, F5 load balancer, its methods, implementation and trouble shooting on LTMs and GTMs.
  • Experience with implementation of DNS and DHCP protocols
  • Configuring firewall devices and configuring Access Control Lists (ACL)
  • Extensive hands-on experience with complex routed LAN and WAN networks.
  • Excellent knowledge and experience on different platforms like Cisco, Juniper and F5 Big-IP LTM load balancers.
  • Extensive experience in handling network failure issues.

TECHNICAL SKILLS:

Cisco Routers: ASR1000, ASR900, 3900, 3800, 3700, 7206VXR, 7500, 1800, 2500, 2600, 3600

Cisco Switches: 6500, 4500, 1900, 2900, 3500, 4510, 3750X, 3550, 3650, 3750G, 2960

Routing Protocols: EIGRP, OSPF, BGP, RIPv2, IGRP, TFTP, FTP, HTTP, SSH, HSRP, VRRP, ISL, CDP, SNMP, PPP, NAT, ICMP, TCP/IP, DNS, DHCP, ACL, VACL, VoIP

Switching Concepts: VLAN, STP, RSTP, VTP, Ether Channel, Port Fast, IP access Control lists, Uplink Fast and Backbone Fast, HSRP, VRRP.

Network Topologies: Frame Relay, ISDN, Gigabit Ethernet, OSI and TCP/IP layered architecture.

LAN: 10/100/1000 & 10 GBPS Ethernet.

WAN: MPLS, Frame Relay, Dialup, VoIP, Cisco Routers and Switches, CSU/DSU.

WLAN: IEEE 802.11, PHY and MAC layer functionality.

Firewall: Cisco ASA5585X, ASA5525, ASA5510, PIX(506E/515E/525)

Switch models of experience: Cat 2800s, 3550s, 3750-E, 3800s, 4500s, 6500s and Nexus 7010

Load Balancer: ACE, F5, A10 Networks (Big-IP LTM & GTM).

Operating Systems: Windows Servers 2003/2008/2012, Windows 7, Windows Vista, Windows XP troubleshooting.

PROFESSIONAL EXPERIENCE:

Confidential, Ashland city, TN

Sr. Network Engineer

Responsibilities:

  • Configuration and Administration of Cisco and Juniper Routers and Switches.
  • Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and service.
  • Involved in configuring and troubleshooting Cisco ASA firewalls.
  • Troubleshooting hardware and network related problems.
  • Coordinating with Vendors for creating and modifying firewall and NAT rules and Maintaining Site to Site and SSL VPN.
  • Experience working with F5 load balancer, its methods, implementation and troubleshooting on LTMs and GTMs.
  • Manage and support all F5 LTM’s in pre-production and production environments.
  • Migration Load balancer as part of web to virtual servers in F5.
  • Designing and deploying F5 LTM load balancer infrastructure.
  • A10 knowledge in troubleshooting and implementing.
  • Configuring F5 GTM solutions, which include WideIp pool load balancing methods.
  • Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, and maintenance)
  • Configuration and troubleshooting WAN connections.
  • Configuring/Troubleshooting LAN Switching VLAN, STP and Ether Channel.
  • Load balancing technology including algorithms and health check options.
  • Experience indeploying EIGRP/BGPredistribution and the changing the metrics for the primary and backup paths for the packet prioritization.
  • Planning, designing, Installing and Configuring of Cisco Routers (7600,7200, 3800, 3600, 2800, 2600, 2500, 1800 series) and Switches Cisco (6500, 4500, 3750, 3500, 2900, series)
  • Configuring VLANs and implementing inter VLAN routing.
  • Upgrading and troubleshooting Cisco IOS to the Cisco Switches and routers.
  • Configuring STP, RSTP, VLAN, VTP, SPAN port and Port Binding Configuring Site to Site to VPN connectivity.
  • Implementation of HSRP, IPsec, Static Route, IPSEC over GRE, Dynamic routing, DHCP, DNS, FTP, TFTP.

Confidential, Lake Buena Vista, FL

Sr. Network Engineer

Responsibilities:

  • Configuration, Management, Troubleshooting of Network devices. (Routers, Switches, Firewalls, Servers, etc.)
  • Worked on Routers Cisco 2620, Cisco 3750 and Cisco 2950 Switches & wireless access points.
  • Maintained complex LAN/WAN networks with several VLANS and provided support for routing Protocols. OSPF, RIP, RIPv2, Static and default route.
  • Managed IP addressing and implemented IP Access Lists.
  • Configured and troubleshoot VLAN, VTP, STP, RSTP and Trunks.
  • Documented the design, implementation and troubleshooting procedures.
  • Switching related tasks included implementing VLANS and Ether-channels configuring 802.1Q Trunks.
  • Experience in Physical cabling, IP addressing, Wide Area Network configurations for Cisco Switches and routers.
  • Performed troubleshooting, while maintaining trouble ticket tracking, following Internal/external escalation procedures and customer notifications. Configured Cisco Routers for OSPF, RIP, IGRP, RIPv2, EIGRP, Static and default route
  • Worked on HSRP and GLBP for first hop redundancy and load balancing
  • Implemented SNMP on Cisco routes to allow for network management. Completed the installation and Configuration of CSU/DSU, T1, T3 & OC3 circuits
  • Experienced network planning and design engineer with expertise in TCP/IP data optimizationand F5 BigIP network load balancers
  • Designing, configuring and troubleshooting ASA failover for the customer network.
  • Troubleshoot TCP/IP problems; troubleshoot connectivity issues.
  • Performed Network Security Assessment and implemented security improvements such as network filtering, SSH, AAA, SNMP access lists, VTY access lists, EIGRP MD5 authentication, and HSRP authentication.
  • Responsibilities also include technical documentation of all upgrades done.
  • Documented firewall changes and request forms to respective vendors.
  • Migration to new Global Network infrastructure. High Bandwidth MPLS WAN links, OSPF Redistribution to BGP, Replaced legacy Layer 2 Network with a fast converging layer 3 network.
  • Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token Ring, ATM, bridges, routers, hubs and switches
  • Hands-on experience with WAN (ATM/Frame Relay), Routers, Switches, TCP/IP, Routing Protocols (BGP/OSPF), and IP addressing.
  • Responsible for network performance, monitoring/analysis, proactive troubleshooting and capacity analysis of network and proposing improvements and design changes beneficial to the business.

Confidential, Raymond, OH

Network Engineer

Responsibilities:

  • Configuring, managing and troubleshooting networks using routing protocols like BGP, RIP, EIGRP and OSPF (Single Area and Multi Area).
  • High availability - HSRP, VRRP, ether channel creation on Cisco, switches and routers.
  • Install and manage CiscoASA firewall, ASR routers as part of new circuit deployment.
  • Primary responsibilities include but not limited to design, implementation and troubleshooting of all LAN/WAN solutions offered by LAN/WAN Professional
  • Involved in migration from Frame-Relay/ATM network to MPLS-based VPN for customer’s WAN infrastructure.
  • Configured Frame-relay and PPP encapsulation in various configurations and authentications.
  • Configured and resolved various OSPF issues in an OSPF multi area environment.
  • Troubleshoot latency and throughput issues on MPLS and Dedicated Internet Access circuits.
  • Responsible for procurement and installation of Hardware, network drives and other IT infrastructure. Documented the design, implementation and troubleshooting procedures with Method of Procedure (MOPS).
  • Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
  • Implemented Hot Standby Router Protocol (HSRP) by tuning parameters like preemption.
  • Experience on HSRP for load balancing.
  • Experience of Load Balancing using F5 Networks Big IP.
  • Working experience in Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.
  • Involved in the removal of EIGRP from all devices and making OSPF the primary routing protocol.
  • Implemented and troubleshot security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, NAT using CLI.

Confidential, Boston, MA

Network Engineer

Responsibilities:

  • Worked on Cisco 7500, 7200, GSR 12000, series routers and Catalyst switches like 4500, 6500, 7600.
  • Configured various routing protocols including EIGRP and OSPF, BGP, analyzing throughput of WAN link.
  • Worked onCiscoLayer 2 switches (spanning tree, VLAN).
  • WAN Infrastructure running OSPF & EIGRP as core routing protocol.
  • Support various Routers like 2600/3600/7200 series routers.
  • Tested authentication in OSPF and EIGRP.
  • Configured and troubleshoot OSPF and EIGRP.
  • Work on different connection medium like Fiber and Copper Connectivity.
  • In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
  • Planning and configuring the routing protocols such as OSPF, RIP, EIGRP and Static Routing on the routers.
  • Performed and technically documented various test results on the lab tests conducted.
  • Planning and configuring the entire IP addressing plan for the clients'network.
  • Assist the team and perform configuration of LAN\WAN technologies such as Ethernet, Fast Ethernet, and Gigabit Ethernet.
  • Supported networks, which are comprised of 2000+Ciscodevices.
  • In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
  • WAN Infrastructure running OSPF as a core routing protocol.
  • Follow process & procedures for change & configuration management.
  • Supported nationwide LAN infrastructure consisting ofCisco4510 and catalyst 6513.
  • Deployed the switches in high availability configuration with HSRP.
  • Support various Series ofCiscoRouters like 7200/7600 series.
  • Support Complex 0 Series Switches.
  • NetworkMonitoring-using tools likeCiscoWorks 2000.
  • Troubleshootnetworkproblems using Packet Analysis tools like Ethereal.

Confidential

Network Engineer

Responsibilities:

  • Troubleshooting using various command tools on CISCO routers and network segments at various OSI layers. Maintenance of Cisco 2500, 4000, 6500 series routers.
  • Configuration of HSRP for hot standby routing, on dual redundant CISCO 7206 routers.
  • Installing & Configuring Serial Link, Frame Relay and ISDN. Working Hands on Cisco 800, 1700, 1800, 2500, 2600, 2800, 3800 series Routers, Cisco 1900, 2900, 3500, 3700 and 4500 Catalysts.
  • Implement IPsec VPN’s for different client locations and make sure the connectivity is up and running.
  • Implement LAN/WAN for Market Data utilizing Cisco 6500s/4006s, (EIGRP and OSPF)
  • Administration of CISCO IOS (11.0, 12.0 and 12.1) on routers (2500, 4000, 4700, 6500,). Configuration of interfaces for T3, T1, Ethernet and NAT, Access Lists, RIP, OSPF.
  • Maintained complex LAN/WAN networks with several VLANS and provided support for routing protocols and also providing secure sessions over internet using IPsec and SSL encryption.
  • Worked with the basic communication protocols like TCP/IP
  • Working knowledge in IP Subnetting for Class A, B, and C networks.
  • Understanding of routing protocols such as OSPF, RIP, BGP, EIGRP.
  • Analyzed and understood the issues related to DNS, DHCP and other IP conflicts.
  • Configured and troubleshoot VLAN, VPN, VTP, STP and Trunks.
  • Managed IP addressing and implemented IP Access Lists.
  • Implemented and configured Cisco routers and switches in a simulated enterprise network comprised of several separate locations utilizing 10+ routers and switches.
  • Worked on console and remote configuration of Ethernet/serial interfaces, implementation of RIP and EIGRP routing protocols, authoring access lists, configuring VLANs, and initiating Telnet sessions, and implementing password security.
  • Configuration of Cisco switches (3750) for VLAN and VTP.

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