SUMMARY

• Cisco Certified Network Engineer with 6+ years of professional experience in Network engineering, performing Network analysis, design, Implementing, capacity planning with focus on performance tuning and support of large Networks.
• Experience in layer - 3 Routing and layer-2 Switching.
• Strong hands on experience in installing, configuring and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 3900, 2500, 1800.
• Have worked on Cisco Catalyst 6500, 4500, 3750, 2950 and 3500 series switches.
• Strong working knowledge of Cisco wireless controllers (WLCs), Cisco 1500, 3702, 3602 and 2600 APs, 4400, 5508 WLCs, Cisco PI.
• Worked on network topologies and configurations, TCP/IP, UDP, DS1/DS3, Frame Relay, Token ring, ATM, bridges, Metro Ethernet, T1/T3, routers, hubs and Switches.
• Good knowledge of OSI Model and TCP/IP networking standards with protocols such as SNMP, FTP, ICMP and IPv6.
• Well Experienced in configuring protocols, VRRP, IGMP, PPP, PAP, CHAP, ACL SNMP, RIP, EIGRP, BGP, OSPF and tunnel Installing.
• Switching tasks including L2/L3 Protocols like VTP, STP, RSTP, PVST, RPVST, ISL, 802.1q, IPSec and GRE Tunneling, VLANs, HSRP, GLBP, Ether Channel, Trunking, Port Security.
• Hand on experience with Cisco catalyst 6509 and implemented VSS along with VDC and VPC on Nexus 5505.
• Managed inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP.
• Experience in monitoring and analyzing the load balancing of network traffic using Wireshark and Solarwinds.
• Experience in Physical cabling, IP addressing, configuring and supporting TCP/IP.
• Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools.

TECHNICAL SKILLS

LAN Technologies: VLAN, VTP, Inter-Vlan routing, STP, RSTP, PVST, 802.1x

WAN Technologies: Frame Relay, ISDN, PPP, ATM, MPLS, Channel & Leased lines

Network Securities: NAT/PAT, VPN, Filtering, ACL’s.

Physical Layer: ISDN, SONET/SDH, DWDM, Dark Fiber, TIA-449, IEEE 802.3

Routing Protocols: RIP, IGRP, EIGRP, OSPF, BGP, IS-IS, HSRP, IPv6

Network Managements: SNMP, SSH, Telnet, ICMP

Network Peripherals: Cisco 5508 and 4404 Wireless LAN Controllers.

Cisco switches: (2900, 2924, 2950, 3550, 3560, 4500, 6506, and 6509)

Cisco routers: (2600, 2800, 3825, 7200, 7204, 7206)

Operating System: Cisco IOS-XR, Cisco Cat OS, Cisco IOS (11.x, 12.x), PIX IOS (6.7.x), CAT-OS, UNIX, LINUX, Windows XP, NT, 2000, 2003

Monitoring tools: Wireshark, Solar winds, and TCP dump.

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

PROFESSIONAL EXPERIENCE

Confidential, Pittsburg, PA

Network Engineer

Environment: Cisco 6506/4948/4510 switches, Cisco 3660/3845/7609 Routers, VLAN, OSPF, BGP, MPLS, HSRP, VRRP, GLBP. Cisco 5508 WLC’s, 3500, 3600 and 3700 AP’s.

Responsibilities:

• Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, maintenance etc.).
• Possess good experience in configuring and troubleshooting WAN technologies like MPLS, T1, T3, DS3 and ISDN.
• Implementing the necessary changes such as adding, moving and changing as per the requirements of business lines in a data center environment.
• Implemented with Cisco Layer 3 switches 3750, 4500, 6500 in multi VLAN environment with the use of inter-VLAN routing, HSRP, ISL trunk, ether channel.
• Configured IP, EIGRP and OSPF in routers.
• Configuring RIP, OSPF and Static routing.
• Build indoor and outdoor Wi-Fi networks using 3702, 3602 and 2600 AP’s with 5508 and 4400 WLC’s
• Configure Flex Connect Access Points for remote office, SSO for AP and client failover.
• Configure and troubleshoot the network using Cisco PI 2.0
• Coordinating with service providers for WAN link outages.
• Checking and configuring Cisco 7600 and 7200 routers at data center for remote sites’ issues.
• Worked on Cisco 6509 and 4507 series switches IOS Upgraded.
• Involved in migration from Frame-Relay/ATM network to MPLS-based VPN for customer’s WAN infrastructure.
• Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF, BGP
• Involved in Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing and LAN security.
• Maintenance of layer 2 switching tasks which advocate VLAN, VTP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.
• Implemented, configured redundancy protocols HSRP, VRRP, GLBP for Default Gateway Redundancy.
• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks
• Performing network monitoring, providing analysis using various tools like Wireshark, Solarwinds and Netscout etc.

Confidential

Network Support Engineer

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/ switches and Cisco 3640/ 0/3845/3600/2800 routers, RIP,OSPF,BGP,EIGRP,LAN,WAN,VPN,HSRP

Responsibilities:

• Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst
• Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel.
• Configured and installed 6500, 4500 in Campus networks.
• Switches Replace branch hardware with new 2851 routers and 2960 switches.
• Worked on converting WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new WAN links and Branch WAN links from TDM circuits to MPLS.
• Design and implementing of the UTP Cabling work-node to rack fixing and patch panel termination
• Involved in Configuration of Access lists (ACL) on ASA firewall for the proper network routing for the
• Troubleshooting and monitoring connectivity issues with routing protocols like EIGRP, OSPF and RIP.
• Configuring and managing Cisco 3825, 2600/2800 routers and 6500, 3750, 2950 switches.
• Configure Voice VLANs and Native VLANs on Cisco 3750 switches for better QOS of voice traffic.
• Configuring IP Access-lists based on the client requirement.
• Running packet sniffing software’s like Ethereal Protocol Analyzer and TCP DUMP to test network health.
• Monitoring network systems operations and conducting system performance evaluations and system diagnostics.
• Preparing BoM (Bill of Material) for the purchase of network equipment.
• Responsible for documenting all the tasks and preparing technical design documents.
• Maintaining the IT infrastructure license and registration.
• Involved in installation, maintenance and support of network equipment (Cisco Routers, Switches and
• Firewalls).
• Analyzing and provide feedback on the Client requirements, existing network setup & infrastructure.
• Worked on projects involving design and implementation of networks for corporate offices.