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Senior Network Engineer Resume

Atlanta, GA

PROFESSIONAL SUMMARY:

  • Over 7 years of Hands on experience. CCNA and CCNP Certified Professional wif experience in routing and switching technologies, system design, implementation and troubleshooting of complex network systems including high - end routers: CISCO GSR, ASR1K, ASR9K, 2600, 2800, 3600, 7200, 12000 Series Routers, and Catalyst 4500, 6500, and 7600 switches.
  • Hands on experience in configuring Cisco Nexus2232, 2248, 5548, 6001 and 7018(Sup 2E) and worked on nexus protocols VPC, VRF, VDC and FEX Links.
  • Managed enterprise grade server/application load balancing using F5 LTM/GTM.
  • Strong hands on experience in installing, configuring and troubleshooting network hardware like Juniper, Cisco and Brocade.
  • Expert Level Knowledge about TCP/IP, Spanning-tree, and OSI models.
  • In-depth noledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
  • Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST.
  • Implementation of HSRP, VRRP for Default Gateway Redundancy
  • Expert noledge in implementing filters on routes using Standard and Extended access-list.
  • Experience in site-to-site and remote access VPN solutions.
  • In depth understanding of IPV4 implementation of Subnetting.
  • Configured security policies including NAT, PAT, and VPN, Route-maps, Prefix lists and Access Control Lists.
  • Extensive experience in WAN Technologies, Switching Technologies along wif Failover Mechanisms and Inter Vlan Routing types.
  • Good noledge wif teh technologies VPN, WLAN and Multicast.
  • Extensive experience in configuring and troubleshooting of protocols RIP v1/v2, EIGRP, OSPF, BGP and MPLS.
  • Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token Ring, ATM, bridges, routers, hubs and switches.
  • Well experienced in configuring HSRP, GLBP, ICMP, PPP, PAP, CHAP and SNMP.
  • Experienced in configuring and deploying CBWFQ, WRED, LFI, QoS technologies.
  • Experience in installing and configuring DNS, DHCP server.
  • Excellent communication skills, enthusiastic, motivated and a team player.
  • A highly organized individual who adopts a systematic approach to problem solving, effectively analyzes results and implements solutions.
  • Highly motivated wif teh 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:

Routing Technology: RIPV1, RIPV2, IGRP, EIGRP, IS-IS, OSPF, BGP.

Network Products: CISCO Routers 1700, 1800, 2500, 2600, 2800. CISCO High End Routers 3600, 3800, 7200, 12010, 12404. CISCO Switches 1900, 2950, 2950, 2960G. CISCO Campus Switches 3550XL, 4948 Core Catalyst 4503, 4507 RE, Catalyst 6500/6503/6507,Nexus 2000, 5000, 7000 series Antivirus & Endpoint protection Cisco CSA, Symantec Enterprise Edition, MacAfee Enterprise Edition.

Hardware: Cisco Nexus 7k,5k,2k Cisco UCS blade Juniper MX960, MX480, EX4500 JuniperNetscreenSSG550, Juniper SRX650,Infoblox DNSF5load balancer 1600,3600

Security & VPN: ASA 5505 Firewall, AIP SSM, CSC SSM, FWSM, Fortigate, Cisco CSM, ACL-Access Control List, IPS/IDS, NAT, PAT, Cisco ACS, Juniper Net Screen firewall, Palo AltoFirewalls, Windows Patch Management (WSUS).

LAN Technology: IEEE 802.11, Token Ring, Workgroup, Domain, HSRP, DNS, Static, VLAN, STP, VTP, Ether Channel, Trunks.

WAN Infrastructure: Leased Line, ISDN/Dial-Up, Frame Relay circuits, Metro Ethernet.

WAN Technologies: HDLC, PPP, ATM, SONET, MPLS, VPN, IPSec-VPN.

Wireless: Canopy Wireless Device (point to point/point to multipoint), DLink Wireless (point to point), DLink Access Point, CISCO 1200 series Access Point, and Linksys Wireless/Wi-Fi Router.

Operating Systems & Tools: Cisco IOS, Windows NT 4.0 (Desktop/Server), Windows 2000/2003/2008 Server, Windows XP/Windows 7/8, LINUX, Solaris, Active Directory, Apache Server, MS Exchange server, VERITAS Volume Manager.

Load Balancers: Cisco CSM, F5 Networks

PROFESSIONAL EXPERIENCE

Confidential, Atlanta, GA

Senior Network Engineer

Responsibilities:

  • Worked wif Cisco Layer 3 switches 3750, 4500, 6500; Cisco Nexus 2248, 5548, 6001 and 7018 in multi VLAN environment wif teh use of inter-VLAN routing, 802.1Q trunk, ether channel.
  • Working wif data center deployment group for data center refresh project
  • Implementation and upgrading core and distribution layer including multiple server farms silos wif Nexus 5K and 7K.
  • Involved in teh deployment of Cisco Nexus 7k, 5k and 2K along wif ASR 9K, 6509s (Sup 720), Cisco 4900, 3750, 2960 switches.
  • Experience configuring VDC,VPC in Nexus 7010
  • Deployed Nexus switches 2248, 5548, 7018 and implemented features like FEX Links, VPC, VRF, VDC, and OTV, Fabric Path.
  • Performed corporate data center refresh project by replacing existing Catalyst based legacy switches to Nexus 7000s, 7100s, 5000s, 2000s & Nexus 6000. Worked on latest QSFP+ 40 GE interfaces which were used for Access layer fabric aggregation. Very good understanding on Nexus 7K architecture including F series and M series modules, teh Crossbar fabric modules and Supervisor 2E.
  • Performed Nexus-OS ISSU and EPLD upgrade.
  • Configuration of routing protocols OSPF, BGP and policy based routing
  • Providing support for teh Layer 2 and Layer 3 devices in teh Network.
  • Perform IOS upgrades in Cisco Routers and Switches including Nexus 3K and 5K.
  • Design OSPF Areas for reliable Access Distribution and for Core IP Routing.
  • Configured HSRP and VLAN trunking 802.1Q, VLAN routing on catalyst 6500 switches.
  • Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
  • Study single point failures & design WAN structure in such a way that their are no failures in network in case of any device or link failure
  • Setting up VLANS and configuring inter-VLAN routing, Trucking, STP, RSTP, port aggregation & link negotiation on Ethernet channel between switches
  • Implementing, Monitoring, Troubleshooting and Convergence in Frame-Mode MPLS in teh core.
  • Worked on GTM, LTM 3600 load balancers to configure Nodes, Pools and VIP’s on a need basis.
  • Implemented and maintained Big-IP F5 load balancing solution (LTM and GTM) across multiple datacenters using OTV.
  • Created security policy according to user’srequirement in Cisco ASA-5580, Juniper-SRX-5800&ISG-1000 fire-wall using CLI & GUI
  • Configuration and set up of Juniper SRX firewalls for policy mgmt. and VPN's
  • Provided firewall policy configuration and services wif Juniper SRX 240 & 650 service gateways
  • Understanding teh JUNOS platform and worked wif JUNOS upgrade of Juniper devices
  • Troubleshoot and Worked wif Security issues related to Cisco ASA, andIDS/IPS firewalls
  • Perform Wireless Administration and troubleshooting for teh corporate Wireless infrastructure.
  • Build Logical design and Implementation of Wireless Solution
  • Working on various 802.11x technologies for additional regulatory domains, Quality of Service, Inter Access Point Protocol etc.
  • Performed day to day network operations using Remedy and HP Service Manager Tool for ticketing system and change management.
  • Policy provisioning, access to specific segments of teh networks through Cisco ISE.
  • Engineered, configured and deployed routers using Cisco ISE.
  • Installed 3502 Wireless Access Points WAPs at various locations in teh company

Confidential, Chicago, IL

Senior Network Engineer

Responsibilities:

  • Installation & configuration of enterprise network connectivity between multiple branches
  • Involved in configuring Cisco routers and switch administration wif enterprise level Cisco Routers such as Cisco ASR1004, 7200 series, 3800 series, 3700 series, 2800series, and Cisco catalyst series switches like 6500, 3750 and 4500.
  • Configuring and troubleshooting of routing protocols such as OSPF, MP-BGP, EIGRP, and BGP v4.
  • Configuration and Installation of Cisco ASR1002, 3845 routers for teh migration of branches to new MPLS cloud rollout.
  • Deployed F5 solutions for various applications.
  • Based on security recommendations, implemented a solution which utilizes mutual certificate based trust between multiple layers of F5s utilizing teh SSL offloading feature of teh LTMs
  • Hands on experience in configuring f5 GTM
  • Implemented HA pair on devices wif Juniper SRX, F5 and Cisco devices
  • Building up teh infrastructure in new data center such as F5, Juniper SRX and Cisco Switches.
  • Migration of network connections from unsecured connections to secured connections. Such as Internet VPN to MPLS networks as main connections to teh MPLS network.
  • Provisioning and troubleshooting Ethernet services, Gigabit networks and Connectivity issues wif WAN circuits connecting branches.
  • Configuring site to site to VPN connectivity
  • Designed VLAN’s, access lists (ACL), troubleshooting IP addressing issues and Updating IOS images and other hardware installations
  • Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
  • Configuration of Access lists (ACL) for teh proper network routing for teh B2B network connectivity.
  • Responsible forCheckpointand Cisco ASA firewall administration across global networks
  • Experience working wif Juniper EX-Series Ethernet Switches
  • Experience working wif Juniper SRX Series.
  • Dealt wif NAT configuration and troubleshooting issues related access lists and DNS/DHCP issues wifin teh LAN network.
  • Managing and configuring Cisco Switches and Firewalls independently.
  • Monitoring Network infrastructure using SNMP tools like HP Open view.
  • Dealt wif teh escalation problems from Leve1, Leve2 & level 3 for routing, switching and WAN connectivity issues.
  • Worked wif Operations in troubleshooting issues related to connectivity, STP, VLANs, Inter VLAN routing, VTP, Ether channels, Layer 2/3 switching, log messages.
  • Possess excellent verbal and written communication skills and experience developing and maintaining technical procedure and documentation

Confidential, Dallas, TX

Senior Network Engineer

Responsibilities:

  • Designed and Deployed LAN networks wif Access/Distro/Core layer switches such as Cisco 4510, 3750, Switches
  • Configured and deployed Application based load balancing using F5 LTMs & site level load balancing on F5 GTMs using 3900 & 6900 BIG-IP appliances.
  • Design OSPF Areas for reliable Access Distribution and for Core IP Routing and Using BGP as a WAN routing protocol
  • Implementing, Monitoring, Troubleshooting and Convergence in Frame-Mode MPLS inside teh core.
  • Designed, validated and implemented LAN, WLAN & WAN solution to client’s requirements
  • Experience working wif Cisco ASA 5585-X firewalls wif Firewall rules, IPSEC VPN, NAT, Active-Standby Failover, OSPF and Any Connect VPN technologies
  • Experience working wif data center migration project wif converting 6500 Based environment to Cisco Nexus based data center.
  • Experience working wif Nexus 7k, 5K, 2K wif VPC, VDC, ISSU Software upgrades
  • Implement ATM/Frame Relay between data centers utilizing Cisco routers & switches.
  • Experience working wif Juniper Routers (MX960, MX480, M320) and Switches (EX2400, QFX Virtual Chassis Switches) wif BGP, OSPF, VSTP, MST layer 2 and layer 3 Technologies
  • Configurations of Cisco Routers and Switches. Participated in a rotating 24x7 support schedule for teh Network operation Center.
  • Deployed a large-scale HSRP solution to improve teh uptime of collocation customers, in teh event a core router became unreachable.
  • Troubleshooting and monitored routing protocols such OSPF, EIGRP & BGP.
  • Designing and Implementation of (LAN) VLANs, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel.
  • Provided Load Balancing towards access layer from core layer using F5 Network Load Balancers.
  • Managed teh F5 BigIP GTM/LTM appliances to include writing IRules, SSL offload and everyday task of creating WIP and VIPs.
  • Configured ACL & NAT through CLI.
  • Working wif Juniper JUNOS operating system and working on M/ MX/ series routers. And SRX devices
  • Implemented TCP/IP and related services like DHCP/DNS/WINS.
  • Configured and troubleshooting of HSRP on Cisco routers.
  • Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
  • Implemented SNMP on Cisco routes to allow for network management.

Confidential, Murrysville, PA

Network Engineer

Responsibilities:

  • Creating a ruleon teh checkpoint firewall for a NAT (used ACLs to block unauthorized users) to teh VLAN IP and allowing teh IPSec traffic.
  • Implement Cisco Works 2000 & ALTERPOINT device to manage Cisco routers, switches, firewall, Access Points, Concentrators.
  • Configured JuniperM320routers andT640routers.
  • Redistributed static routes intoOSPFusingJuniper M320.
  • Plan and implement Juniper Netscreen 204.
  • Configured and maintained juniperSRX210,220,240,650routers.
  • Installing and configuring Checkpoint NG R55 & NGX R60
  • Monitoring and maintaining LAN/WAN networks using Snort and sniffer trace.
  • Design and Implement Remote access VPN server using Checkpoint NGX R60 and NG R 55 & Cisco ASA.
  • Big IPF5Load Balance experience; setting up, monitoring and configuringF5load balancer.
  • Configuring IP, RIP, EIGRP, OSPF and BGP in routers.
  • Time to time upgrade network connectivity between branch office and regional office wif multiple link paths and routers running HSRP, EIGRP in unequal cost load balancing to build resilient network.
  • Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers.
  • Used DHCP to automatically assign reusable IP addresses to DHCP clients.
  • Implement ACLs and autanticate (EIGRP, BGP) to ensure high security on teh network.
  • Time to time upgrade network connectivity between branch office and regional office wif multiple link paths and routers running HSRP, EIGRP in unequal cost load balancing to build resilient network.
  • Used Protocol analysis tools to assess and pinpoint networking issues causing service disruption

Confidential

Network Engineer

Responsibilities:

  • Develop and implement strategies to support teh current and future needs of teh company.
  • ConfiguredCisco Routers 2600series usingRIP, OSPF,and EIGRP.
  • ConfiguredCisco Switches 2900.
  • Troubleshot Cisco hardware: Inspected devices, Read device LEDs, loose connections, interior IOS upgrade, switch port configuration, port monitoring, watch overFlooding Control/Network port.
  • Worked on configuration and installation of new desktops for users usingGHOST, EZ copy andDist-to-Disk copy
  • Installed andconfigured DHCP, DNS Server.
  • Identifying technical problems anddebugged hardware andsoftware related toLANs/ WANs.
  • Switching related tasks includedimplementing VLANS, VTPandconfiguring ISL trunkon Fast - Ethernet channelbetween switches.
  • Strategies include operating systems, virus protection, mail systems and Internet services.
  • Updated theanti-virus, spam blockers, and other security softwareso that teh systems are always secured
  • Resolved all computer related problems, monitored and maintained system functionality and reliability by identifying ways to prevent system failures.

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