PROFESSIONAL SUMMARY:

• Over 8+ years of experience in configuring, troubleshooting, designing and implementing enterprise network by using multiple vendor routers, switches, firewalls. Looking for an opportunity where I can use my skills to design and implement network with data and voice applications.
• Experience in configuring and troubleshooting various routing protocols like RIP, OSPF, EIGRP and BGP
• Expert Level Knowledge about TCP/IP, Spanning - tree, and OSI models.
• In-depth knowledge and hands-on experience on IP Addressing, Sub netting and Ping Concepts.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MSTP.
• Good Knowledge in integration and configuration of Cisco based VPN networks
• Demonstrated high quality testing skills while certifying Cisco IOS for VPN
• Implementation of HSRP, VRRP and GLBP for Default Gateway Redundancy
• Expert knowledge in implementing filters on Cisco routes using Standard and Extended access-list.
• Excellent in troubleshooting issues on NAT configuration and DNS/DHCP issues within the LAN network.
• Vast experience in implementing various networking services including SNMP and Syslog
• In-depth knowledge and experience in WAN technologies including T1,T3, ISDN, HDLC, Point to Point, ATM and Frame Relay and MPLS.
• Access Control Server configuration for RADIUS
• Knowledge of advanced technologies like VOIP, H.323, SIP, QOS
• Efficient in preparing technical documentation using Visio
• Hands on experience in using various Network Monitoring and Packet Sniffing tools like Nagios and Wireshark

TECHNICAL SKILLS:

Network Equipments/Devices: CISCO routers: Catalyst 6509, ASR 1k, 9k, 7200, 3800, 3600, 2800, 2600CISCO switches: Nexus 7k/5k/3k, 2350, 3750, 4500, 6500,Firewalls: ASA 5505/5510Network Management

Networking Protocols: Routing Protocols: RIP, EIGRP, OSPF, IS-IS, BGP, MPLS.

Redundancy: HSRP, VRRP, GLBP.

Load Balancing: PAGP, LACP, Multilink PPP.ICMP, IGMP, NAT/PAT, EAPOL, DHCP, VAD, SRST, SIP, NBAR.

LAN Technologies: VLAN, Private VLAN, Spanning Tree, VTP, 802.1Q Trunking, Fast Ethernet and Gig Ethernet.

WAN Technologies: Frame relay, MPLS, PPP, ISDN, ATM, DS1, DS3, OC3, OC12, T1 /T3 & E1/E3.

Network Security: ACL, IPSec, SSL, VPN, AAA, Zone-Based Firewalls, IDS/IPS, Check Point, Encryption Standards.

Network Technologies: SONET/SDH, TDMA, FDMA, CDMA, DSL.

Operating Systems: Windows NT, XP, 2000, 2003, MAC OS, UNIX, Linux, CISCO IOS, CATOS.

PROFESSIONAL EXPERIENCE:

Confidential

Network Implementation Engineer

Responsibilities:

• Designed and configured Cisco Nexus 7k/5k/3k switches for vPC, Vlans, MST and 802.1q for Top of the Rack switches and Distribution layer switches.
• Configured fabric ports on Nexus 7010 and Nexus 5548 for UCS servers and connecting Nexus 2248 switch for port extension.
• Troubleshoot issues with fex ports and configuration.
• Troubleshoot issues with vpc peer-link and vpc keep alive
• Configure HP Procurve switches for Vlans and Trunk and power pole management. Network.
• Designed and implemented cost efficient management network with Cisco nexus 3172 distribution layer switches and 3650, 2350 top of the rack switches with bgp peering with core devices.
• Configure Cisco ASR 9001/9010/9910 and Catalyst 6509 routers for L3 Vlans with HSRP and advertise network in BGP and OSPF in complex DC environment.
• Configure iBGP and eBGP peering between L3 routers and core routers.
• Troubleshoot issues with network connectivity and issues related to neighbor relationship and peers.
• Create Access list configuration and TACAS configuration for security.
• Assign IP address schemes according to design requirements.
• Perform Quality Check and monitoring on the implemented network.
• Deploy F5 LTM load balancer 6800/6900/8800/8900 from scratch
• Configure F5 LTM load balancer for Pools, SNAT, Virtual servers, vlans and Snmpd configuration
• Troubleshoot issues with F5 pool members and virtual servers.
• Use tcpdump utility for troubleshooting SNAT issues and VIP issues with F5.
• Migrating network devices and servers from 6509 catalyst switch to Nexus 7010 Aggregator pair with zero outage.

Confidential

Cisco VoIP Engineer

Responsibilities:

• Use Remedy ticketing system to access tickets.
• Solve all Layer 1 issues such as connectivity issues and cabling issues for the site.
• Configure Catalyst 3750 POE switches and Voice gateway VG224 and troubleshoot issues with fax, modem lines.
• Install Cisco phones 7945, 7965, 7937 phones onsite and configure the same in CUCM and Cisco unity for voicemails.
• Escalate issues and provide support to Layer 3 NOC.
• Working with AT&T and Verizon for MPLS and PSTN issues.
• Implement HSRP for multilayer switching in Cisco 6509 core switch
• Configure Ether channel LACP for Bandwidth Enhancement.
• Implement RSTP and VTP in Multilayer switch for switching loops and VLAN management.
• Configure POTS and VoIP dial peers in Cisco router 3800.
• Implement trunk links between Avaya TN464HP and Voice gateway for Call routing.
• Configure Stack switches 3750 POE for power redundancy.
• Configure T1 tie lines between Gateway and ATT PSTN boards.

Confidential

Network Engineer

Responsibilities:

• Strong experience of maintaining Bank Network for maximum up-time and connectivity.
• Configured and maintained IP routing protocols EIGRP and BGP on Cisco routers (3800, 7200).
• Implemented VLAN, VTP, STP and 802.1q trunking on layer 2 switches (6500, 4500, 3560).
• Maintained high availability of resources by load balancing of network traffic with 5 BIG-IP load balancer.
• Configured multi-VLAN VRRP on multilayer switches for redundancy purpose.
• Configured Ether-channel using LACP protocol for Bandwidth Enhancement.
• Deployment of Cisco IP phones 7945, 7965, 9971.
• Configuration and Installation of Voice Interfaces like PRI, BRI, E1 and T1 lines, FXS and FXO ports.

Confidential

Network Technician

Responsibilities:

• Working on Network support & implementation related internal projects.
• Ensurenetwork, system and data availability and integrity through preventativemaintenance and upgrade.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches, fixes, and all around technical support.
• Supporting OSPF based network by resolving level 2 problems of internal teams & external customers of all locations.
• Provided technical support for full setup, debugged the problems of OSPF, switching and HSRP.
• Router memory & IOS upgrade with TFTP
• Configured and debugged policy based routing for special traffic, route filtering with route maps, route redistribution.
• ConfigureVLANTrunking802.1Q, STP, and Port Security on Catalyst 6500 switches.
• Maintain & prepare Network drawings of all major Data Centers & operational sites.
• Network cabling, dressing, labeling and troubleshooting network drops onsite.

Confidential

 Network Administrator

Responsibilities:

• Installation and Configuration of Cisco routers 2500 series, 2600 series, 2800 series, 3600 series
• Installation and Configuration of Cisco Switches 4500, 3500, 2900, 2950 and Nortel Switches.
• Design, manage and troubleshoot RIP, OSPF routing environment comprised of multiple areas.
• Worked on Layer 2 protocols such as STP, VTP and other VLAN troubleshooting issues and configuring switches from scratch and deployment.
• Cisco IOS Architecture for Cisco routers and switches
• Creating VLANs and Inter-VLAN routing with Multi Layer Switching (MLS).
• Cisco IOS Architecture for Cisco routers and switches.
• Monitor, improve, and support all aspects of network connectivity using Solar winds.
• Support and Administration of Windows Systems.
• Maintenance the General Networking objectives of System/Network Operations.