Summary

• Over 6 years of experience in routing, switching, implementation and troubleshooting of complex network systems.
• Strong hands on experience in installing rack and stack , configuring, CSM and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950, 3500XL series switches and Cisco Nexus switches 5000.
• Extensive experience in configuring and troubleshooting of routing protocols RIP v1/v2, IGRP, EIGRP,OSPF and BGP.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token ring, ATM, bridges, routers, hubs and Switches.
• Switching tasks include VTP, ISL/ 802.1q, VLAN, Ether Channel, STP and RSTP.
• Network security including NAT/PAT, ACL, IDS/IPS, and ASA/PIX Firewalls.
• Strong work experience with the following technologies MPLS, VPN, WLAN and Multicast.
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, PAP, CHAP, and SNMP.
• Good Understanding of Multiple Contexts in ASA firewalls and implemented different failover mechanisms among ASA firewalls.
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps.
• Configured Cisco routers/switches for VOIP including quality of service QOS guarantee of voice and data integrity.
• Experience in testing Cisco routers and switches in laboratory scenarios and then deploy them on site for production.
• Experience in Cisco ACS 4.x and 5.x, CSM, ACE and F5 GSLB load balancers.
• Exceptional skills in IPV4 Subnetting.
• Experience in configuring devices for traffic analyzing.
• Hands on experience on Up-gradation of Cisco IOS Firmware of different Cisco devices modules.
• Provides technical leadership for problem escalation and resolution.
• Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of professional.

Technical Skills

• Network Hardware: Cisco Routers 1800, 2600, 3600, 7200 and 7600 , Cisco L2 L3
• Switches 3560, 3750, 4500, 4900 6500 , Cisco Firewall
• Routing: RIPv1, RIPv2, EIGRP, OSPF BGP, MPLS
• Switching: VLANs, Dot1Q, VTP, STP, RSTP, HSRP, VRRP, GLBP, Port Security
• Protocols: IP, IPv6, TCP, UDP,ARP, ICMP, NAT, DNS, DHCP, SNMP, TELNET, SSH
• Operating Systems: Windows 2000/XP/2003/Vista, Basic Linux/Unix
• LAN/WAN Technologies: Ethernet, Frame Relay
• Network Monitoring: Orion Netflow Traffic Analyzer, Wireshark

Professional Experience:

Confidential

Network Engineer

Responsibilities:

• Hand on experience the configuration and implementation of various Cisco Routers and L2 Switches.
• Extensive experience in configuring and implementing EIGRP, OSPF and BGP.
• Supported core network consisting of Cisco 7200 series routers running multi area OSPF.
• Optimized performance of the WAN network consisting of Cisco 3750/4500/6500 switches by configuring VLANs.
• Configuration of EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution.
• Responsible for service request tickets generated by the helpdesk such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support
• Supporting EIGRP and BGP for problems of L2/L3 in internal teams external customers.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Upgrading Used DHCP to automatically assign reusable IP addresses to DHCP clients.
• Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
• Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
• Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel. Design and implemented network infrastructure and configured the entire network Infrastructure devices including Network Printers and Register.
• Hands-on experience in the network management of circuits using TDM and Frame Relay network, performing configuration and provisioning management, fault management and performance monitoring.

Confidential

Network Engineer

Responsibilities:

• Working on Network design and support, implementation related internal projects for establishing connectivity between the various field offices and data centers.
• Ensure Network, Cloud Computing system and data availability and integrity through preventive maintenance and upgrade.
• Supporting EIGRP and BGP based network by resolving level 2 3 problems of internal teams external customers of all locations.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Configuring HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.
• Configure VRRP GLBP and VLAN Trunking 802.1Q, STP, Port Security on Catalyst 6500 switches.
• Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
• Interface at the appropriate technical level to assist with the definition, design, test, and support of VOIP based services offered over various data networks.
• Administer and troubleshoot Cisco ACS 4.x and 5.x, CSM, ACE and load-balancers F5.
• Worked on intrusion detection, routers, firewalls, VPNs and DMZ for network security.
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
• Completed service requests i.e. IP readdressing, bandwidth upgrades, IOS/platform upgrades, and etc
• Worked on a broad range of topics such as routing and switching, planning and implementation, large-scale high-visibility outages, change management coordination, proactive monitoring and maintenance, disaster recovery exercises, and core network repairs.
• Supported IP QOS and COS implementations in the WAN network
• Performed route redistribution between different routing protocols.
• Lab Implementation of multiple security contexts in ASA firewalls and Checkpoints configures redundancy Active-Active failover and active-standby failover among them.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing, LAN security.
• Network Cabling, dressing, labeling and troubleshooting various network drops onsite.

Confidential

Network Consultant

Responsibilities:

• Assisted in troubleshooting LAN connectivity and hardware issues in the network of 100 hosts.
• Studied and analyzed client requirements to provide solutions for network design, configuration, administration, check-point and security.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• Architect/Design provider based VOIP solutions based upon soft switch platform.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Design, implement, troubleshoot Cisco ACS 4.x and 5.x, CSM and ACE issues for Advance Services.
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed RIP OSPF routing protocol administration.
• Troubleshoot problems on a day to day basis provide solutions that would fix the problems within their Network.
• Monitor the operability and reliability of the network.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Managed the IP address space using subnets and variable length subnet masks VLSM .
• Took part as senior programmer in the project's development as well as maintenance phase.
• Daily responsibilities included monitoring remote site using network management tools, assisted in design guidance for infrastructure upgrade help LAN administrator with backbone connection and connectivity issues
• Other responsibilities included documentation and support other teams.

Confidential

Network Administrator

Responsibilities:

• Provided support and troubleshooting network related problems Monitored network systems operations and conducted systems performance evaluations and system diagnostics
• Proactive monitoring of the health and status of the production network, servers and applications using appropriate tools
• Ensured that every issue received is promptly tracked, controlled and escalated if needed .
• Create, log troubleshoot notes and maintain outage notification logs and follow documented escalation procedure where appropriate.
• Assist network employees in troubleshooting the issues.
• Handled the development of code in the C and C programming languages for various projects assigned to me.
• Maintain documentation of processes, procedures, troubleshooting guides and change management logs.
• Monitored network devices like routers, servers, switches, Cisco PIX Firewall and Firewalls using HP open view network node manager NNM .
• Extensive knowledge on Network Monitoring tools such Tivoli as HP Openview, IBM, and Cisco Works.
• Worked on Packet Analysis tools like Ethereal, Wire shark.

Confidential

Network Engineer

Responsibilities:

• Worked on troubleshooting customer related issues related to router Configuration, Layer 1/Layer 2 issues.
• Worked on Frame Relay switches.
• Worked on OSPF using features like TSA, SA, NSSA and route summarization.
• Configured EBGP/IBGP policies also tested BGP attributes such as Local preference, MED, AS-PATH, Community and Weight.
• Configured EIBGP load balancing and ensured stability of BGP peering interfaces.
• Worked on Route-Reflectors to troubleshoot BGP issues related to customer route prefixes also route filtering using Route-maps.
• Configured Virtual-link between discontiguous backbone areas in the network also established authentication between all OSPF routers using MD5 authentication.
• Worked on WAN Troubleshooting for circuits like DS3, T3, STM-1, BRI, PRI SONET switches.
• Monitor network performance accompanying company service level agreements SLA's using Network management tools such as Cisco works and also provided necessary recommendations to improve network performance.