OBJECTIVE

• Looking forward for an opportunity as a challenging Networking Engineering in competitive and progressive environment, where I can utilize all my skills, academic knowledge and 8+ years of experience in contributing effectively towards the success of the organization and where I can improve both my personal and professional skills.

TECHNICAL SKILLS

Routers: Cisco 2600, 3600, 3800, 7200, 7600, MX 80, MX 240, MX 480, MX 960

Switches: Cisco 2960, 3750, 4500, and 6500 and Nexus 2K/5K/7K series

Routing Protocols: RIP V1/V2, EIGRP, OSPF, BGP, Summarization, Route Filtering, Redistribution, Summarization, and Static Routing.

Switching: VLANs, Dot1Q, VTP, STP, RSTP, PVST+, RPVST, VLAN Maps, Inter VLAN routing & Multi - Layer Switching, Ether channels (LACP, PAgP), VSS, vPC, VDC,FabricPath, CEF, DCEF, Port Security

Gateway Redundancy: HSRP, VRRP, GLBP

Network Security: Cisco ASA, Check point, AC, IPSEC

Load balancers: Cisco CSM, Cisco ACE 4710, F5 BIG-IP LTM 6900 series

Protocols: IP, TCP, UDP, ICMP, NAT, DNS, DHCP, SNMP, IPSEC, SSL, HTTP, SSH

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

LAN Technologies: Ethernet Standards, VLAN, Inter-VLAN, VTP, STP, RSTP, SMTP, Ether Channel, Port Fast, ACL.

WAN Technologies: Frame relay, (E1/T1/E3/T3) lines, PPP, HDLC, DS3, OC192

Network Management Tools: Wireshark, Netflow Analyzer,Solarwinds, IBM Netcool

PROFESSIONAL EXPERIENCE

Confidential, Des-Moines, IA

Network Engineer/Network Security Engineer

Responsibilities:

• I was part of Data Center design and build team. As part of data center refresh project, I performed migration from Cat 6513 Switches with Sup 720of version Cisco IOS Release 12.2(33)SXI2 to Nexus 7009 and 7018 Switches with Nexus 7000 Supervisor 2E, F & M line cards of version NX-OS Release 5.2(1), Nexus 5548UP Switch and Nexus 2232TM-E Switches.
• Implemented VPC, VDC and FabricPath on Nexus Switches and also configured FEX
• Worked with the data center planning groups, assisting with network capacity and high availability requirements.
• Responsible for entire LAN and WAN maintenance and troubleshooting of the company network. Involved in the Team of Data Center Level 2 support to perform duties like deployment and troubleshooting of Cisco Routers Switches, Load balancer and Firewalls according to the organization requirements.
• Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, RPVST+, Inter-VLAN routing, and LAN security
• Configured RIP, OSPF and Static routing on JuniperM and MX series Routers.
• Acquired excellent troubleshooting skills on Juniper MX 960 Router, which include working on ticketing system and change management system to provide, troubleshoot support.
• Configured and maintained (2921, 3845, 7204, 6509) and configured OSPF& BGPProtocols.
• Configured and resolved various OSPF multi-area environments, used OSPF as IGP with route filtering and route-redistribution, implemented Stubs/Totally stub areas, implemented features like route summarization and SPF throttling.
• Used BGP for verifying various traffic policies and influencing outgoing, incoming traffic using BGP attributes such as Local Pref., AS Path, Med, Weights.
• Configured ASA 5540 to ensure high-end security on the network with ACLs and Firewall.
• Configured and maintained TACACS+/RADIUS Servers for AAA authentication and User Authentication.
• Involved in providing access to user machines and partners outside our network by SSL and IPSEC VPN tunneling.
• Configured and deployed BIG-IP LTM-6900 for providing application redundancy and load balancing.
• Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs.
• Worked on Riverbed bandwidth optimization to reduce the traffic that runs across a WAN, resulting in a decrease in network bandwidth requirements.
• Used internal network monitoring tools to ensure network connectivity andProtocol analysis tools to assess the network issues causing service disruption.
• Provided high availability by performing fault management and performance management of the network.

Confidential, Dallas, TX

Network Support Engineer/L2

Responsibilities:

• Played responsible role for implementing, engineering, & level 2 support of existing network technologies / services & integration of new network technologies / services
• Worked on 3750, 4500, 6500 series Cisco Catalyst Layer 3 switches, in multi VLAN environment for the implementation of inter-VLAN routing, 802.1Qtrunking, VLAN Trunking between various access-switches and EtherChannel. Provided Layer - 3 redundancy by implementing HSRP in the network.
• Worked on 2600, 3500, 7613 Router, implemented OSPF and BGP and performed route filtering and route manipulation by applying distribute-lists, route-maps & offset lists. Majorly was involved in improving OSPF convergence by controlling SPF algorithm and LSA/SPF throttling in the WAN infrastructure.
• Involved in Network Designing, Routing, DNS, IP Subnetting, TCP/IP protocol.
• Part of a team in establishing the WAN network that has primary Leased Line and ISDN as backup source.
• Worked on Security issues, VPN, IPSec, NAT, Configuration Standard and Extended Access Control Lists (ACLs) on Checkpoint Firewalls.
• Configured the site to site and remote user access VPN connections.
• Configured IPSec VPN tunneling for client machines to access organization's network.
• Involved in troubleshooting Layer-2 & Layer-3 issues on daily basis.
• Used Load Balancers CSM and load balancing techniques for optimum efficiency of Cisco 6500 switches and 7600 routers
• Configured and provisioned multiple ONS 15454 s in a large SONET CO network. Provided pre sales engineering for Johns Hopkin s SONET and fiber networking initiative.
• Replaced the Dark Fiber services and eliminated the need of repeaters between the service end-point by Optimizing DWDM Networks and introducing new lambdas to provided point-to-point DWDM services.
• Configured Cisco IOS Feature Set, NAT and Simple Network Management Protocol (SNMP) for Network Security implementation.

Confidential, Wilmington, DE

Junior Network Engineer

Responsibilities:

• Converted networks with multiple routing protocols RIP, IGRP, EIGRP into a single OSPF domain, thus providing for future network scalability.
• Design and implementation of the LAN IP infrastructure using Layer 2 / Layer 3 switching, VLAN, VTP, STP, Gigabit Ethernet and Trunking / channeling technologies.
• Used Load balancer ACE and load balancing techniques for efficient performance and to increase reliability through redundancy.
• Accomplished in the usage of all tools in the TCP/IP protocol suite used with NT Server: DNS, DHCP, WINS, etc.
• Provide daily Help Desk support resolving trouble tickets.
• Configured, installed software applications, anti-viruses, drivers and security software on user devices, maintained and troubleshoot desktop, laptop and peripheral equipment.
• Perform hardware and software diagnostics, fault isolation and coordinate repairs and/or replacement of faulty equipment.
• Maintain logs of network and bandwidth utilization of servers and network devices and create utilization report based on the logs
• Design network and create physical and logical network layout diagrams
• Write and maintain technical documents describing implemented technologies and architecture
• Provided consultation services to clients for installing and configuring Cisco routers and switches
• Co-ordinate with other internal team and vendors for creating test labs for network environments
• Manage backup of all infrastructure and file server and do the recovery procedure when necessary
• Troubleshoot TCP/IP problems; troubleshoot connectivity issues in Ethernet networks

Confidential

Jr. Network Support Engineer

Responsibilities:

• Provided technical assistance in upgrading IOS on Cisco Routers and Switches.
• Configured Access Control Lists to allow only authorized users to access certain applications and block others.
• Involved in switching related tasks implementing VLANs.
• Assisting senior engineers in troubleshooting TCP/IP issues and connectivity issues in multi-protocol environment.
• Installing, repairing and upgrading desktop computers, which include software installation and imaging, and final configuration and testing. Perform planning, testing, and evaluate new devices and troubleshooting.
• Provided support to user's software, hardware & wireless issues and escalate to second level.
• Prepared the Technical specifications in operation manuals.
• Involved in installing and configuring DNS, DHCP and other services on Windows Server 2003.