SUMMARY

• 8+ years of experience in routing, switching, firewall technologies, systems design, and administration and troubleshooting.
• Exposure to LAN/WAN setup, installation, configuration and troubleshooting
• Experience of routing protocols like EIGRP, OSPF, RIP, and BGP, MPLS.
• Experienced in Troubleshooting for connectivity and hardware problems on Cisco Networks.
• Extensive experience with Cisco IOS, Windows client/server operating systems, Linux, Networking technologies, Firewalls & Bluecoat proxy SG.
• Experience in L2/L3 3 protocols like VLANS, STP, VTP, MPLS and Trunking protocols.
• Hands on experience with F5, Acme Packet Net - Net & Extreme switches.
• Good knowledge in WAN Technologies like ACL, NAT and PAT, IPsec and VPNs.
• Worked in OSI model, TCP/IP, UDP, IP addressing and Sub netting.
• Hands-on experience in the setup of HSRP, ACL, and tunnel installations.
• Enhanced level of knowledge with IGRP, PPP, ATM, and T1/T3 Frame-Relay.
• Extensive knowledge in different networking protocols DHCP, DNS, FTP, VOIP (SIP, H.323, MGCP), Quality of Service (QOS).
• Basic understanding to work on Junos-Juniper router.
• Great team player and able to work under pressure.
• Exceptional skills in IPV4 Sub-netting.
• Demonstrated success record in: Managing multiple tasks with proven ability to meet deadlines and proactively identifying the problem to solve complex technical issues.
• Highly enthusiastic, creative team player, project implementation, analytical, interpersonal and communication skills

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, Load Balancing, IDS/IPS, IPsec, ACL

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

Routed Protocols: TCP/IP, IPX/SPX

Infrastructure Services: DHCP, DNS, SMTP, POP3, FTP, TFTPNetwork Managements SNMP, SSH, Telnet, ICMP

IP Telephony: VOIP, FXO/FXS/E&M/T1/ISDN/ PRI, Call manager Express.

Operating Systems: Windows Vista/XP/NT/2003, MS DOS, UNIX, Linux

Comm. Protocols: ARP, Wi-Fi, WiMAX, CDMA, 3G

Packages: Visual Studio 2008, OPNET, MATLAB, CAD, Flash, Dream weaver.

Languages/ Tools: C, C++, Assembly 8085 and 8951/2, MIPS, CAD, VBScript

PROFESSIONAL EXPERIENCE

Confidential, WA

Sr. Network Engineer

Responsibilities:

• Design solutions that scale to meet requirements and are easily supported by operations teams.
• Assist clients with network traffic analysis, deep knowledge of protocol analysis to design network for new or emerging applications.
• Knowledge of large scale networking solutions & work closely with service managers, Regional IT and Operations teams
• Demonstrated expertise in enterprise network administration and troubleshooting/analysis (DNS, IPsec VPN, BGP, and Load Balancing).
• Authored different types of MOPs for Network related changes for Nexus 3k (3064’s, 3048’s), 5k (5548) and 7k (7010) devices, different cisco devices (2851, 3945, 3550, 5020, 4948, 4900, 7606, 7613, including ASR 9000 & ASA 5505), Secure DNS s64 (HP rx2800-i2), F5 (6500) LTM & (1600) GTM modules, A10 (AX3030, AX3200) Load balancers, Check Point Firewalls, Infoblox (TE820) GSS and WAE associated Operations Support Systems and Data Communications Network Technology platforms.
• Troubleshoot and perform root-cause analysis for resolving problems that have multiple dependencies (Servers, network, databases, software products, telephony, storage, etc.)
• Installed and Configured Lab to replicate production configuration.
• Performing project management activities including work planning, status reporting, Update documentation, participate in planning meetings & acting as liaison between Engineering and end-users as needed.
• Expertise working on migration project that involve changes in architecture and reconfigurations based on client needs.
• Update Citrix Granite Inventory with New/decommissioned device info to network in each Project and IP Control Tool.
• Strong knowledge of LAN technologies, LAN design standards and best practices of Data Center network Design, including Nexus platforms, F5, A10, ASA & checkpoint firewalls.
• Create FW MOPs to edit FW configurations and rules based on Project Requirement for traffic flow.
• Provide after-hours and weekend support where necessary, in a 24/7 system-availability model.
• Work closely with vendors to understand emerging technologies and how they would benefit both internal and external network of Confidential .
• Consult with application owners and design scalable and supportable datacenter designs to meet application requirements.
• Good experiencetroubleshooting a wide range of load-balanced services like iRules, SSL, Health check Scripting etc.
• Assisting in break/fix network incidents and make necessary configuration changes like creating multiple logical switches by creating VDC’s on Nexus 7K.
• Configured and maintain VPN tunnels as required by the business and maintain secure firewall routing tables. Also maintained all policies pertaining to the Unified Threat Management suite.
• Build network documentation which includes accurate site inventory, site network diagrams, logical LAN/WAN diagram using Visio, network device list (routers/switches), server information sheets, network administration information document.

Confidential, MO

Network Engineer

Responsibilities:

• Working as Network Engineer in the Confidential &T’s Global Network Operations Center (GNOC) - VOIP Networking team providing Network Support for all Pop’s (Point of Presence) of Confidential &T spread across the Globe.
• Experience in working on call rotation and provide 24x7 network support in carrying out day-to-day maintenances on Cisco, Juniper routers and switches.
• Providing support for troubleshooting and maintaining IP networks, concentrating on facilities ranging from Gigabit Ethernet to OC192 in Cisco, Juniper high-end routers, switches & Oracle Acme packet session border controller.
• Hands on experience in configuring/troubleshooting OSPF, BGP, VLAN HSRP/VRRP and Firewall related issues on Cisco, Juniper.
• Deploying, configuring and troubleshooting Cisco high-end routers and switches (CRS-1, GSR-12000, ASR-1000, 7600, 6500, 3800, 3700, 2900, Nexus switches 2k, 5k, 7k, catalyst 4500 X-series, 5500 and 6500), IBM HT 8740, F5 load balancers, Juniper high-end routers M320, MX480 and MX960 & Acme packet net-net 4250 & 4500 for all remote sites and Confidential &T’s National Technology Centers.
• Expertise in performing network validation testing and operational readiness testing on Cisco catalyst 4507R+E switches, Nexus 4001I switch module for IBM, F5 load balancers, IBM blade centres & Acme packet net- net 4250’s & 4500’s.
• Adding dial-peer on cisco gateways, modular access routers 2621XM & 2651XM & configuring Acme session agents, adding SIP Agents on session border controller for services like AVOICS & IP Flex reach.
• Initiating connectivity for the filed DBEs with the NSM server (Add the DBEs to the NSM & allow TACACS to be configured on the field DBEs).
• Configured Ether-Channel to bundle interfaces between the core customer edge routers and the service blocks using LACP and PAGP to increase link capacity. Configured VPC between nexus 5k, 2k (FEX) & servers.
• Extensive experience in upgrading IOS on Cisco 7600, FWSM Firewalls, Software replacement on session director & setting up hard-drive on Acme packets 4500.
• Monitoring NMS system for different Network Alerts.
• Troubleshooting various network related issues on production devices and work with the vendors to get the failed hardware replaced.
• Help customer in troubleshooting to ensure problems are satisfactorily resolved in a timely manner with focus on providing a high level of support.
• Lead VAN 2 & 3 to VAN 4 (VOICE AWARE NETWORK) migration project. Documented the work and wrote method of procedure for the migration.
• Re-configured completed BGP with new ASN & new uplink neighbor IP’s.
• Experience in updating the session groups and adding new session agents for new application servers on session border controller using EMS (Element Management System). Add app server IP address to the ACL from cli. Flex Reach Sip Manipulation Configuration changes on 4500 SDS IPBE
• Hands on experience with F5 & Extreme switches for Web RTC traffic.
• Configuring new and updating existing ACL’s for traffic flow using TFTP server.
• Configure SSL offloading on SSL Module with CSM and on ACE for Clients.
• Managing Infoblox and perform Company name Domain name DNS failover of URL’s and host records on Infoblox, check the records if it delegating to GSS and if notimplement the changes on the internal grid when scheduled.
• Getting TCPDump files from the F5 Load balancer and analyzing them using Wireshark to get to the root cause of the issue.
• Performed LB configuration including iRules on F5 VIPRION load balancers.
• Upgraded Viprion 4400 software from 9.6 to 10.x and on Viprion .x besides licensed with vCMP.
• Knowledge of security and encryption technologies including; IPSEC & GRE tunnels on routers and firewalls, certificates, and SSL/MSSL.
• Acted as a lead for load balancing solutions on leveraging F5 LTM & GTMs to improve different web application delivery speed & replication through and between distributed data centers.
• Planning and execution of large and complex network security projects such as migrations and/or upgrades.
• Physical installation, staging & basic configurations as per the implementation & integration testing: Nexus 7k & 5k switches, Cisco ASR 9K, Cisco 3750, catalyst, F5 VIPRION, 11050,8900 & 6900.

Confidential, NJ

Network Engineer

Responsibilities:

• Configured Routing protocols such as RIP, OSPF, EIGRP, static routing and policy based routing.
• Team member of Configuration ofCisco7206 router with VPN and Configuration of Catalyst switches.
• Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 and Nexus switches with various VLAN.
• Create and testCisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs.
• Configuration and troubleshooting link state protocols like OSPF in single area and multiple areas.
• Experience working bandwidth management, stream-splitting using Bluecoat.
• Redesign of Internet connectivity infrastructure for meeting bandwidth requirements.
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
• Providing Technical Support and solutions forNetwork Problems.
• Implementing NAT solution's on wan applications.
• Planned, tested and evaluated various equipment’s, systems, IOSs and procedures for use within the Network/ security infrastructure.
• Upgrading IOS, troubleshootingnetworkoutages.
• Continually monitor, assess and improvenetworksecurity, test and implement new security technologies.
• Working with clients to develop high-level network strategies.
• Experience working in a customer-focused environment with demonstrated ability to assess root issues and provide excellent viable solutions for the business and to the customer.
• Participate in all technical aspects of LAN, WAN, VPN and security Internet Service projects including, short and long term planning, implementation, project management and operations support as required.
• Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, NOKIA Firewalls, Ericson session border gateway, Nortel VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall.
• 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, Trouncing, performing configuration and provisioning management, fault management and performance monitoring.

Confidential, NYC

Network Consultant

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
• Configuration of EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution.
• Implemented stub/Totally stub areas and various OSPF features like route-summarization and SPF throttling.
• 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.
• Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers.
• Design, WAN link using PPP Multilink and by implementing Cisco WAAS
• 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.
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
• Network Cabling, dressing, labeling and troubleshooting various network drops onsite.

Confidential, CT

Network Engineer

Responsibilities:

• Assisted in troubleshooting LAN connectivity and hardware issues in the network.
• Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed RIP & OSPF routing protocol administration.
• Interacted with support services to reduce the downtime on leased lines.
• Troubleshoot problems on a day to day basis; provide solutions to fix the problems.
• Monitor the operability and reliability of the network.
• Support configuration and installation of Cisco Aironet wireless network equipment.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Managed the IP address space using subnets and variable length subnet masks (VLSM).
• Worked along with the team in ticketing issues; responsibilities included documentation and support other teams.

Confidential

IP Technician

Responsibilities:

• Configured Cisco Routers for OSPF, IGRP, RIPv2, EIGRP, Static and default route.
• Worked on HSRP for hop redundancy and load balancing.
• Configured the Cisco router as IP Firewall and for NATing Configured RSTP, MST and used VTP with 802.1q trunk encapsulation.
• Provided port binding, port security and router redundancy through HSRP.
• Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.
• Provided testing for network connectivity before and after install/upgrade
• Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet and Gigabit Ethernet channel between switches.
• Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations and Multi-casting.
• Ability to properly configure a wireless network without dead areas for cisco 4000 & 5000 series controllers, WISM controllers, heavy & light weight Cisco access point.
• Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external.