SUMMARY:

• IT professional more than 9 years of experience in Network Operations, Network Engineering, System Administrator and Internetworking. Monitoring and Troubleshooting onNetworkdevices using Wireshark, Sniffer, CCP,SDM, Cisco works and various other tools.
• Worked on Cisco 2900, 3500,4500, 5500, 6500, Cat 6509 series switches, Cisco 7200, 3800, 3600, 2800, 2600 series Router.
• Have Extensive knowledge of OSI and various network protocols (DNS, DHCP, TCP/IP, FTP, TFTP, UDP, ICMP, IPv4/IPv6, NFS, HTTP, SMTP etc.).
• Proficient hands on experience in configuring Cisco Catalyst 2900,2960, 3560, 3750, 4500, 4900, 6500 series switches
• Hands On experience Cisco IOS/IOS - XR/NX-OS, Juniper JUNOS for configuration & troubleshooting of routing protocols: OSPF, EIGRP, RIP, BGP v4, MPLS.
• Experience in the setup of Access-Lists, and OSPF, EIGRP. Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Hands-on configuration and experience in setting up Cisco routers to perform functions at the Access, Distribution, and Core layers.
• Experience in implementation, support and troubleshooting of VLAN’s including operational knowledge of spanning tree protocol (STP), VLAN trunking, inter VLAN routing and ISL/802.1q.
• Extensive and In-depth knowledge in Security, including VPN IPSEC and GRE
• Experience in Network Management Tools and sniffers like SNMP, HP-Open view, Wireshark and Cisco works to support 24 x 7 Network Operation Center.
• Knowledge of network security protocols such as IPSEC tunnels, GRE tunnels, NAT (Configuring static NAT, dynamic NAT) ACLs and VPN.
• Having knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.

TECHNICAL SKILLS:

Protocols: TCP/IP, EIGRP, BGP, HSRP, Multicast, dot1q, STP, VLANS, DMVPN, VTP,WLAN, DNS, DHCP, ARP,GRE

Routers & Switches: Cisco 3900, 3800, 3600, 2900, 2800, 2600, 2500 Cisco Catalyst 6500, 3500, 2900 & 1900.

Routing Protocols: OSPF, EIGRP, BGP, RIP, GRE

Operating Systems: Microsoft Windows OS, Windows Server NT 4.0/2000/2003 , Linux, Cisco IOS Advance Bundle 12.2 & 15.1, CAT OS

Firewalls: Watch Guard FBII, FB/FB X 1000/700/500 , Cisco PIX UR 515E, IPsec, Site to Site VPN, Remote Access VPN, IPS, IDS,802.1q, L2Switch, Microsoft ISA Server

GUI Software: &CCP, SDM, NMS, SNMP, AAA, CSM, ASDM, NTP, TACACS+, RADIUS, KIWI Application

PROFESSIONAL EXPERIENCE:

Network Engineer

Confidential

Responsibilities:

• Performed switching technology administration including VLANs, Inter-VLAN routing, Trunking, port aggregation in the LAN environment.
• Implemented Redundancy using HSRP Protocol on Core and distribution switches.
• Configuring and troubleshooting of Layer 3 routing protocols such as EIGRP and OSPF.
• Worked with system, network, security, and storage engineering teams to prepare and configure new servers for the environment.
• Manipulated routing Protocols such as EIGRP and RIPv2.
• Troubleshot ticket resolution and repairs of all routing/switching, LAN/WAN issues
• Overlooked network related issues such as Spanning Tree loops and Layer 2 connectivity issues.
• Troubleshoot network issues related to application access and performance
• Configuring and troubleshooting inter VLAN routing with 802.1Q trunking and L3 switches, VTP, Spanning tree,
• Configuring, maintaining and troubleshooting Cisco layer 3/ layer 2 switches.
• Configuring IP RIPv2, OSPF and BGP in routers. Routing related tasks includes, providing Cisco router configuration and troubleshooting the configuration and installation issues.
• Monitoring and maintaining LAN/WAN networks using sniffer trace.
• Responsible for troubleshooting day-to-day support issues and Performance related issues.

Network Engineer

Confidential, Forthworth Texas

Responsibilities:

• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.
• Involved in configuring IP Quality of service (QoS).
• Worked using routing protocols EIGRP and BGP based company network for resolving level 2 and 3 issues.
• Extensive working experience of VLANs, Ether channels, Spanning tree protocol and HSRP.
• WAN Infrastructure running OSPF & BGP as core routing protocol.
• Understanding & Implementation of IPSEC & GRE tunnels in VPN technology.
• Extensive and In-depth knowledge in security including VPN, ASA.
• Tested authentication in OSPF and BGP.
• Configuring Spanning tree, VSTP, VLAN, SNMP on EX series switches.
• Good knowledge and experience in Installation, Configuration and Administration of Windows 2000/2003, HTTP,FTP,DNS,NTP,DHCP servers under various LAN and WAN environments.
• Configured and troubleshoot OSPF and EIGRP.
• Configured and resolved various OSPF issues in an OSPF multi area environment.

Network Engineer

Confidential

Responsibilities:

• Daily administration of Microsoft Network including system backup and maintenance, user account and access control, problem solving, email server issues.
• Configuring Cisco Core L2 and L3 Switches and Routers models 3750/3560 Series and Managing VLANs.
• Inspection & commissioning of network installation patch panels EIA/TIA 568b type Cabling, length/wire map and manifesting structured cabling for computer.
• Maintaining of system patches up to date and system up gradation. End user support and .
• Setting up DSL, PPPoE, internet connection sharing, DHCP, Router/access points/adaptors.

Sr. Network Engineer

Confidential

Responsibilities:

• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Performed IOS and Hardware upgrades on Core routers and field routers.
• Worked on ASR routers like 1k, 9K series as a core and configured HSRP for active-active redundancy.
• Troubleshooting static/dynamic routing problems, spanning-tree issues and problems with VPN disconnects and successfully remedying those issues.
• Implemented TCP/IP, TFTP and related services like DHCP/DNS/WINS
• Design network layouts Monitoring and Troubleshooting LAN Switched networks.

Network Administrator

Confidential

Responsibilities:

• Configures Cisco routers (1800, 2600, and 2800 series) andCiscoIOS switches (2950, 2960, 3550, and 3560 series) in small branch networks.
• Configures and troubleshoots Layer 2 technologies (STP, RSTP, 802.1Q, PVST, Ether Channel) and Layer 3 technologies (IP routing and IP access lists).
• Configures routing protocols such as RIP, EIGRP and OSPF. IPsec VPN and other entities.
• Responsible for set-up and installation of network servers, operating system, backup systems
• Troubleshooting static/dynamic routing problems, spanning-tree issues and problems with VPN disconnects and successfully remedying those issues.
• IPsec VPN between two branch offices and also SSL VPN for users connecting.

System Administrator

Confidential

Responsibilities:

• Interface with other internal departments as required defining requirements and ensuring that new implementations and/or upgrade are made in a timely. Controlled manner with minimal business impact.
• Monitoring of billing software i.e. Radius Authentication, Accounting and Authorization, Authentication on Radius Server from system password file through Netcent billing software and Advance Billing software.
• Managed a team of Engineers for the technical support to the clients.
• Took special Responsibility for client's satisfaction by providing them a quality service and backup support.
• Creating of Manuals for the configuration of TCP/IP setting for Internet Access via Windows server/workstations, Proxy Manuals for Corporate Clients.

Senior Technical Engineer

Confidential

Responsibilities:

• Manage team of engineers to help with the installation & configuration of LAN/WAN connectivity including internet. Provide maintenance support on different products such as Routers, Switches, Bridges and Hubs also included OS patches and software upgrades.

Technical Support Engineer

Confidential

Responsibilities:

• Software installation for Internet Connection on site, configuration of TCP/IP protocols on Windows machines. Troubleshooting any software or hardware issues, assist and advice Field Engineers during system installation.