SUMMARY

• 7 years experience in routing, switching, firewall technologies, systems design, administration and troubleshooting
• Experience of routing protocols like EIGRP, OSPF, RIP, and BGP, MPLS/VPN
• Enhanced level of experience with QoS, ATM, T1 - T3 Frame-Relay
• Extensive hands-on experience with complex routed LAN and WAN networks, Cisco routers, and switches
• Hands-on configuration and experience in setting up Cisco one routers to perform functions at the Access, Distribution, and Core layers
• Expertise in deployment of Switches, Hubs, Routers, Firewalls, Server Load Balancers, VPN concentrators
• Experienced in trouble-shooting both connectivity issues and hardware problems on Cisco based networks
• Enhanced level of experience with QoS, ATM, T1-T3 Frame-Relay
• Excellent written and Oral communication

TECHNICAL SKILLS

LAN technologies: Ethernet, Fast Ethernet & Gigabit Ethernet, VLANS, VTP, STP, RSTP, 802.1W

WAN technologies: Frame Relay, ISDN, PPP, ATM, MPLS, leased lines & exposure to PPP, DS1, DS3, OC3, OC12, OC48, T1 /T3 & E1/E3

WLAN technologies: Autonomous AP’s, Lightweight AP’s, WLC, WDS, WLSE, Standards802.11A, 802.11B, 802.11G

Cisco & other vendor equipments: Cisco routers (7200, 3800, 3600, 2800, 2600, 2500, 1800 series), & Cisco Catalyst switches (6500, 4900, 3750, 3500, 2900, series); PIX Firewall 506/515/525/535 , ASA Firewall 5505/5510, CatOS, Cisco IOS 11.x, 12.x, PIX OS 6.x, 7.x; Load Balancers (Cisco)

Network Security: NAT/PAT, Ingress & Egress Firewall Design, VPN Configuration, Internet Content Filtering, Load Balancing, IDS/IPS

Routing Protocols: RIP, IGRP, EIGRP, OSPF, IS-IS, BGP and HSRP

Infrastructure services: DHCP, DNS, SMTP, POP3, FTP, TFTP

Network Management: SNMP, Cisco Works, HP Open View

Microsoft Network Platforms: Configuration, troubleshooting & administration of Windows 2000/2003 networks with Active Directory services; Installation, configuration & administration of MS Exchange 2003/2000

Platforms: LINUX, UNIX, Windows XP, NT, 2000, 2003

Documentation: MS Office, MS Visio

PROFESSIONAL EXPERIENCE

Network Engineer

Confidential, Bellevue, WA

Responsibilities:

• Held Responsible for turning up new sites this includes designing, configuring and coordinating in turning up the new circuits on Routers, switches
• Responsible for the installation, configuration, maintenance and troubleshooting of the company network
• Duties included monitoring network performance using various network tools to ensure the availability, integrity and confidentiality of application and equipment
• Worked on issues related to OSPF, BGP, VLAN Trunking, HSRP and GLBP failovers, related issues
• Configured, troubleshoot Port-Channels and related issues
• Worked on Cisco GSR 12000, 7600 & 7200, 3750, 3600, 2600 series routers and Catalyst 6500 switches
• Worked on hardware, installing new 1G, 10G modules such as WS-X6748-SFP, WS-X GE
• Troubleshooting IOS related bugs based on past history and appropriate release
• In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems
• Migrated network PE routers to CE routers
• Configured new VRF into existing MPLS network for network stability
• Load balancing tasks included configuration and modification of virtual servers, nodes, pools and various profiles
• Configured and deployed MPLS backbone/Infrastructure, QOS and defined class of service (COS) WRED and WFQ for bandwidth management
• BGP features such as load balancing, Route Reflectors, BGP metrics such as MED, AS Path, Local Preference, Communities used
• Responsible for maintaining VISIO network Maps for all Markets

Environment: Confidential infrastructure consisting of Nexus 7K, 9K, 6500, 7609, 7606, Check Point firewalls and F5 load balancers

Network Engineer

Confidential, Dallas, TX

Responsibilities:

• Worked on issues related to VLAN, VLAN Trunking, HSRP failovers, related issues
• Worked on Cisco GSR 12000, 7500 & 7200, 3750, 3600, 2600 series routers and Catalyst 6500 switches
• Worked on hardware issues where PICs and FPCs were needed to replace.
• Troubleshoot multi area OSPF and OSPF scale issues
• Configured RPR, RPR+ mode for SUP-720 redundancy for Cisco Catalyst 6504, 6513. Configured Cisco 12000 series routers as edge routers in a lab environment
• Dealt with many Class of service issues on the edge routers. Used BA classifiers, MF classifiers, Rewrite-rules and schedulers on the Juniper edge routers. Also performed QOS testing on Cisco routers for LLQ, CBWFQ, policing, shaping, WRED etc
• Troubleshoot EBGP and MPBGP and worked with the creation of route policies, route maps and various BGP attributes
• Designed Implemented and configured GLBP and HSRP on different locations on the switched network and managing the entire multilayer switched network
• Configured virtual server, nodes, pools for load balancing
• Designed QoS policies for critical applications based on business requirements and traffic patterns
• Configured Multiprotocol Label Switching (MPLS), MPLS VPNs
• Tested various cards like OC3, OC12, OC48, OC192 for feature and functionality
• Wrote several test plans and executed many test cases to test the performance and features of the routers and switches
• Created and provided testing documentation utilizing Microsoft Visio, Word

Environment: GSR 12000, 7500 & 7200, 3750, 3600, 2600 series routers and Catalyst 6500 switches

Network Engineer

Confidential, Hauppauge, NY

Responsibilities:

• Designing of network, installation of various protocols, configuring the network security using firewall, Maintenance and troubleshooting of the network. Technical support for customers with different vendor equipment for their networks
• Installation, Maintenance and troubleshooting Local and Wide area network (Frame Relay, NAT, DHCP, TCP/IP, Firewall and a variety of routing, hardware and networking issues)
• Configured and implemented Junos software including OSPF, BGP and performing basic firewall filtering
• Routing related tasks included providing Cisco router configuration and change management, providing technical support for Cisco Router configurations and installation for customer
• Experience in using various test sets like adtech and IXIA
• Written various test cases and involved in proper documentation of test results and test documents
• Configuring OSPF and BGP
• Spearheaded meetings & discussions regarding network optimization and regarding BGP issues
• Switching related tasks included implementing VLANS, VTP and configuring on Fast-Ethernet channel between switches
• Design, Implement and configured GLBP (on Core switching and also for VPN redundancy), HSRP on different location of office on the switched Network and Managing the Entire multilayer switched network
• Implemented switching protocols like Spanning Tree Protocol (STP) in the network
• Perform network engineering, design, planning (WAN and LAN), and implementation.
• Troubleshoot IPSec VPN tunnels & implementing QOS
• Resolved extensive EIGRP performance issues and provided troubleshooting
• Migrated from Cisco PIX Firewall to Cisco ASA Firewalls. Also worked with juniper firewalls
• Configured GRE tunnels to pass the multicast OSPF routing updates to remote sites
• Implemented and configured Cisco VPN, Configured security parameters, monitoring and maintenance
• Monitoring and maintaining the network issues using management tools like HP Open view, VPN Concentrator
• Working knowledge of SS7, SONET protocols and MPLS
• Designing of the network and implementing and maintaining different networking protocols
• Worked with network consultants and engineers on numerous projects simultaneously, documented and researched processes and hardware

Environment: Cisco Routers 2500 through 2800, 3600, Catalyst Switches 1900, 2900, and 3500, 6500 series, and Juniper M320 router

Network Engineer

Confidential

Responsibilities:

• Experience through Hand-on Experience with configuring T1.5, Gigabit Ethernet, Channelized T3 and full T3, OCX, ATM, Frame-Relay and VOIP (Voice-Over Internet Protocol)
• Configured and deployed MPLS backbone/Infrastructure, VOIP, QOS and defined class of service (COS) WRED and WFQ for bandwidth management
• Tested authentication in OSPF, LDP and BGP
• Configured firewall filters, routing instances, policy options, on Juniper m320 an d T640
• Migrated some of our routers end routers M320 as RR
• Influencing the routing in the core by setting the value of MED by the CE and via Local Preference value; as set by the PE depending on community set by the CE, Load Balancing for dual homed CE
• Configured and troubleshoot OSPF, BGP, and EIGRP
• Worked on projects like BGP Route Reflectors deployment, Removal of BGP from the core
• Troubleshooting IOS related bugs based on past history and appropriate release notes
• Tested and implemented various BGP attributes such as Local Preference, MED, AS-PATH, Community, Extended community
• Performed and Technically documented various test results on the lab tests conducted
• Planning and configuring the entire IP addressing plan for the clients network
• Created QOS profiles for CBWFQ using LLQ for voice
• Assist the certification team and perform configuration of LAN\WAN technologies such as Ethernet, Fast Ethernet, Gigabit Ethernet
• Routing protocols such as EIGRP & BGP
• Supported EBGP with multiple providers. Propagated default routes from multiple locations
• 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
• Streamlined OSPF costs in the network to account for network delay
• Supported nationwide LAN infrastructure consisting of Cisco 4510 and catalyst 6513
• Deployed the switches in high availability configuration with HSRP
• Configured udld, port-fast, uplink fast and other spanning tree features
• Support various Series of Cisco Routers like 7200/7600/12000 series
• Support Complex 0 Series Switches
• Network Monitoring using tools like Cisco Works 2000, HP Open view

Environment: Optus Infrastructure consist of 2950, 7600, 7200, GSR routers and Juniper M320

Network Engineer

Confidential

Responsibilities:

• Responsible for SNMP Monitoring and Performance Tuning software
• Designed WAN structure to prevent single point of failure in case of link failure
• Maintenance and Troubleshooting of connectivity problems using PING, Trace route
• Planning and Implementation of Subnetting, VLSM to conserve IP addresses
• Configured STP for loop prevention and VTP for Inter-VLAN Routing
• Configuration of Standard and Extended ACLs for Security
• Technical assistance for LAN/WAN management and complex customer issues
• Monitor the operability and reliability of the network
• Held responsible for subnetting the IP addresses
• Provided support for troubleshooting and resolving Customer reported issues
• Maintained the switched multi-layer backbone with catalyst switches utilizing VLANS, Spanning-tree, HSRP, VTP trunking
• Performed IOS upgrades on Catalyst 3550, 2950, 1900 switches, and 3600, 2600 and 2500 routers
• Implemented and configured routing protocols like EIGRP
• Troubleshooting the issues related to routing protocols
• Managing, troubleshooting and monitoring the network using Network Monitoring tool
• Network Security implementation with Cisco IOS Feature Set, NAT, and Simple Network Management Protocol
• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation
• Desktop responsibilities included software & hardware installation, configuration as well as assisting in patch management
• Creating & administering user accounts & their permissions, granting LAN Printer access
• Responsible for managing activities Upgrading IOS, - Upgrading hardware and installing new devices, - Tuning (configuration), make Standardization for the topology and Naming Conventions

Environment: Infrastructure consists of Catalyst 3550, 2950, 1900 switches, and 3600, 2600 and 2500 routers