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Sr. Network Engineer Resume

New York, NY

SUMMARY

Proven ability in the development of complex multi-site data networks and security environments. Strong problem analysis and troubleshooting skills in enterprise environments with great attention to detail. Proven ability in Pre-Sales knowledge working with potential new clients to design a thorough network solution which meets not only their IT and network technology requirements, but attention to furthering business development needs and a long term technology growth plan.

  • Strong experience in Networking, including hands-on experience in providing network support, installation and analysis for a broad range of LAN/WAN/MAN communication systems
  • Sound knowledge of Routing and Switching concepts and MPLS design.
  • Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS
  • Configured and deployed QOS and defined class of service (COS) WRED and WFQ for bandwidth management.
  • Primary responsibility is to design and deploy various network security & High Availability products lick Cisco ASA other security products
  • Worked extensively in Configuring, Monitoring and Troubleshooting Cisco\'s ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
  • Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series,
  • Experience with convert PIX rules over to the Cisco ASA solution.
  • 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
  • Experience working with Cisco Nexus2148 Fabric Extender and Nexus5000 series to provide a Flexible Access Solution for a datacenter access architecture
  • Experience configuring Virtual Device Context in Nexus 7010
  • In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 Sonet POS OCX / GigE circuits, Firewalls.
  • Responsible for CheckPoint and Cisco ASA firewall administration across global networks
  • Experienced with SPLAT and Nokia platforms, Cisco Pix, Concentrator, ASA
  • Excellent interpersonal, communication and organizational skills with the ability to interact effectively with employees at all levels within the organization.

ACADEMICS

B Computer Science
MBA - International Business

CERTIFICATES

  • Cisco Certified Network Professional (CCNP)
  • Cisco Certified Network Associate(CCNA)

PROFESSIONAL EXPERIENCE

Confidential, New York, NY September 2010 to Present
Sr. Network Engineer

Key Responsibilities

  • Experience working in 24x7 NOC team monitoring and support various client system infrastructures, network devices and IPT network using Spectrum, Nimsoft and silverback.
  • Lead Engineer for Network refresh project for Multinational insurance company. Providing remote assistance for replacing exiting switches with new Cisco switches.
  • Configuring routing protocols OSPF, EIGRP,RIP, MPBGP, LDP and BGPV4
  • Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst
  • Build Logical design and Implementation of Wireless Solution
  • Configuring and installing 6500, 4500 in Campus networks.
  • Experience with WCS predictive maps and RF Engineering Planning.
  • Switches Replace branch hardware with new 2851 routers and 2960 switches.
  • Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.
  • Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.
  • Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
  • Involved in iRule management like loading rules, writing iRule syntax using TCL language
  • Identify, design and implement flexible, responsive, and secure technology services
  • Experience with Firewall Administration, Rule Analysis, Rule Modification
  • Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
  • Primary responsibility is to design and deploy various network security & High Availability products like Cisco ASA other security products
  • Worked extensively in Configuring, Monitoring and Troubleshooting Cisco\'s ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls per design
  • Responsible for Cisco ASA firewall administration across our global networks
  • Support customer with the configuration and maintenance of PIX and ASA firewall systems
  • Assist with various duties that will arise including: implementation, configuration, management, rules definition, problem solving, design advice, troubleshooting, updating, maintenance, etc
  • Experience working with JUNOS OS on JuniperRouters and Switches.
  • Experience working Juniper T-Series, M-Series, MX-Series, J-Series Routers
  • Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540)
  • Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience
  • Setup simplified and traditional VPN communities, and Cisco Anyconnect
  • Support customer with the configuration and maintenance of PIX and ASA firewall systems
  • Built site-to-site IPSec VPNs over Frame-relay & MPLS circuits on various models of Cisco routers to facilitate adding new business partners to new and existing infrastructures.
  • Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
  • Analyzed customer application and bandwidth requirements, ordered hardware and circuits, and built cost effective network solutions to accommodate customer requirements and project scope.
  • Configured routers and coordinated with LD Carriers and LECs to turn-up new WAN circuits.
  • Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience
  • Responsible for Cisco ASA firewall administration across our global networks
  • Experience with migration Hybrid based Cisco CatOS and Native Cisco IOS on 6500 switches.
  • Configured various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
  • Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550.
  • Converting CatOS to Cisco IOS Config Conversion on distribution layer switches
  • Configured various Router interfaces like ATM interface, T3 & Channelized T1 interfaces
  • Configuring and troubleshooting CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640, Cisco GSR 12416,21418(with PRP and RPR processors)
  • Excellent Troubleshooting Skills and Customer Centric approach.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/120007200/3845/3600/2800 routers,Cisco ASA5510, Checkpoint

Confidential, Reston VA March 2009 to August 2010
Network Engineer

Key Responsibilities

  • Configured IP RIP, PPP, BGP and OSPF routing
  • Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.
  • Experience with Checkpoint Firewall policy provisioning
  • Identify, design and implement flexible, responsive, and secure technology services
  • Experience with Firewall Administration, Rule Analysis, Rule Modification
  • Troubleshoot traffic passing managed firewalls via logs and packet captures
  • Configured and resolved various OSPF issues in an OSPF multi area environment.
  • Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team. The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core
  • Experience working with EX-Series Ethernet Switches
  • Experience configuring and deployment of ERX310
  • Experience with Installation on PIM modules on J-Series routers
  • Configuring RIP, OSPF and Static routing on JuniperRouters
  • Configuration and troubleshooting of Cisco catalyst 6509,7613 with supervisor cards
  • Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
  • Estimated Project costs and created documentation for project funding approvals.
  • Managed various teams involved in site surveys, cabling specifications, Network equipment installation and configuration.
  • Planned resources and presented project status to higher management.
  • Deployed 7613 as PE andCE router and Configured and troubleshooted the Edge Routers.
  • Excellent troubleshooting knowledge on T1, T3, OC-3 and OC-12.
  • Configured egress and ingress queues for ISP facing routers using CBWFQ.
  • Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
  • Ability to analyze, configure and troubleshoot networks

Environment: Cisco 6509/ 3750/3550/3500/2950 switches, Cisco 7200/3845/3600/2800 routers, Net Flow,TACACS,EIGRP,RIP,OSPF,BGP,VPN,MPLS,CSM,SUP720, Ether Channels, Fluke and Sniffer.

Confidential, Hyderabad November 2008 to January 2009
Network Engineer

Key Responsibilities

  • Deployment of MPLS based VPNs across 34 sites in India and 22 sites across ASIA, US and Europe. Created and managed BGP policies at the internet peering points.
  • Managed LDP label limit constraints on smaller routers such as 7500 by deploying LDP filters.
  • Worked on engine 3 line cards such as E3 16 port OC3, E3 OC48c and Channelized E3OC48.
  • Engaged Network Operations on troubleshooting and root cause analysis on Minor, Major network problems
  • Implemented BGP capabilities like ORF, Route refresh and Extended communities, for various customers.
  • Configured OSPF on CISCO devices with multiple routing processes and redistributed them. Tested and hands on experience in multi area OSPF topologies.
  • Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP and OSPF (Single Area and Multi Area).
  • Assisted with troubleshooting all network issues with routers and switches when necessary and consulted with on call tech as needed for client.
  • Monitor, troubleshoot, test and resolve Frame Relay, ATM, MLPPP, PPP, and Dial-up.
  • Configuring/Troubleshoot issues with the following types of routers Cisco (7200, 6500, 4500, 1700, 2600 and 3500 series), to include: bridging, switching, routing, Ethernet, NAT, and DHCP, as well as assisting with customer LAN /MAN, router/firewalls.
  • Worked on various point to point SONET links such as OC3, OC12, STM-1.
  • Worked on Channelized T1/T3 & PRI links.

Confidential, Hyderabad March 2007 to August 2008
Network Technician (Intern)

  • Maintained and installed new internet connections for customers.
  • Responsible for LAN and internet connection file and print server.
  • Configured all devices for remote sites/plants, vendors and added new equipment to RADIUS and worked with MPLS-VPN and TACACS configurations.
  • Created load balancing policies using BGP attributes such as Local Preference, AS-Path, MED, Community etc.
  • Validate existing infrastructure and recommend new network designs.
  • Created scripts to monitor CPU/Memory on various low end routers in the network.
  • Installed and maintained local printer as well as network printers.
  • Handled installation of Windows NT Server and Windows NT Workstations.
  • Handled Tech Support as it relates to LAN & WAN systems

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