SUMMARY

• 7+ years of experience in Configuring, Implementing and Troubleshooting routers, switches and complex network designs.
• Strong hands on experience in installing(rack and stack), configuring, CSM and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500, 1800 series Routers and Juniper J series j230, M 320 and MX960 routers, Cisco Catalyst 6500, 4500, 3750, 2950, 3500XL series switches.
• Experience working withCisco Nexus 2148 Fabric Extenderand Nexus5000 series to provide a Flexible Access Solution for a datacenter access architecture
• Expertise in installing, configuring and troubleshooting Juniper Routers ( E,J,M and T - series)
• Familiar with Cisco Security Telnet, SDM, NAT/ACLs, AAA, Layer 2 Security, Layer 3 Security,IPS/IDS,Cisco (ASA, PIX) 5510,Cryptography, VPN, IPsec.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Implemented and maintained Big-IP F5 load balancing solution across multiple datacenters
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, ISL/ 802.1q, Ether channel, Port Security, STP, RSTP and MST.
• In depth understanding of IPV4 and implementation of Subnetting.
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, PAP, CHAP, and SNMP.
• Experienced in DNS, DHCP, SMTP,FTP, HTTPS and web security architecture.
• Implemented IPv4 migration to IPv6 (NAT-PT, Tunneling, etc.) and IPv6 routing protocols (RIP, OSPFv3, EIGRP, BGP etc.).
• Network planning and implementation of WAN technologies including E3, E1, T1, T3, ISDN, HDLC, PPP, Frame Relay, ATM and MPLS VPN
• Moderate knowledge in configuring and troubleshootingCisco Wireless Networks:LWAPP, WLC, WCS, Standalone APs, Roaming, Wireless Security Basics,IEEE 802.11 a/b/g, RF spectrum characteristics.
• Experience in testing Cisco routers and switches in laboratory scenarios and then deploy them on site for production.
• Hands-on experience and knowledge about VoIP technologies such as SIP, SIP Trunking, Cisco Call Manager, Asterisk.
• Configured Cisco routers/switches for VoIP including quality of service (QOS) guarantee of voice and data integrity.
• Excellent communication skills, Enthusiastic, motivated and a team player
• A highly organized individual who adopts a systematic approach to problem solving, effectively analyzes results and implements solutions

TECHNICAL SKILLS

Network Hardware: Cisco Routers (1800, 2600, 3600, 7200 and 7600), Juniper J series, M 320 and MX960, SRX, EX Series Routers and Switches Cisco L2 & L3, Switches (3560, 3750, 4500, 4900 & 6500), Cisco Firewall

LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet, SMTP, VLAN, Inter-VLAN Routing, VTP, STP, RSTP, Light weight access point, WLC

WAN Technologies: Frame Relay, PPP, HDLC, T1/T3, DS3, OC192

OS products/Services: DNS, DHCP, Windows, Linux (Ubuntu, Suse )

Protocols/Services: IP, IPv6, TCP, UDP, ARP, ICMP, NAT Routing Protocols (RIP v1 & v2, OSPF, Gateway Load Balancing EIGRP, BGP), HSRP, GLBP

Network Management Tools: Wireshark, Netflow Analyzer, NetScout, IBM Netcool, Cisco Works, Ethereal. OPNET Modeler, Manage engine MIB Browser, PUTTY

Facilities: DS0, DS1, DS3, OCX, T1/T3

Load Balancers: Cisco CSM, F5 Networks (Big-IP)

Programming Languages: C, Assembly language (AT89C8051/52)

Additional Courses: Cisco Certified Network Associate (CCNA), Comprehensive Course on RF Engineering

PROFESSIONAL EXPERIENCE

Confidential, Torrance CA

Sr. Network Engineer

Responsibilities:

• Implemented Layer2/3/4 functionalities in Cisco Catalyst 6500 switches (by configuring Cisco Catos and Ios on two different CLI’s).
• Installed and Configured VLAN, Spanning tree, VSTP, SNMP in Cisco Catalyst switches 6500, 3750 & 3550 series.
• Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.

Confidential, McLean, VA

Sr. Network Engineer

Responsibilities:

• Installing, Configuring and troubleshooting Cisco Routers (ASR1002X, 3945, 3845, 2800, 3600) and Switches (6509E, 4507, 4500-X, 4900M, 3850, 3650, 2960) to perform functions at the Access, Distribution, and Core layers.
• Configuring, upgrading and deployment of Nexus 7010, 5596 and 2248
• Working with Cisco Nexus 2248 Fabric Extender and Nexus 5500 series to provide a Flexible Access Solution for datacenter access architecture.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus5000.
• Configure various LAN switches such as CISCO 2900, 3550, 4500, 6509 switches and Access layer switches such as Cisco 4510, 4948, 4507 switches for VLAN, Fast Ether Channel configuration.
• Experience working with Juniper devices like EX-2200,EX-4200, EX-4500, MX-480, M Series, SRX650, SRX240
• Experience working with NHRP and mGRE for DMVPN to set IPsec
• Configured Site to Site IPsec VPN tunnels to peer with different clients and each of client having different specifications of Phase 1 and Phase 2 policies using Cisco ASA 5500 series firewalls.
• Experience to manage performance-sensitive applications using cisco iWAN.
• Configure Virtual Servers, Nodes, and load balancing Pools in F5 BigIP LTM.
• Configured Session based persistence and configuring i-Rules for specific redirection purpose and also i-rules for persistence
• Configure SSL VPN to facilitate various employees access internal servers and resources with access restrictions
• Responsible for entire company network infrastructure that includes Cisco Switches, Routers, Firewalls, Access Points, and Servers.
• System application monitoring SAM, IP address monitor IPAM and Network Performance Monitor NPM .
• Networking protocols worked with included but not limited to TCP/IP, DNS, WINS, DHCP, VPN, Terminal Services, Routing and Remote Access, Network Design, wiring and cabling.
• Communicate status to the project manager to provide completion status of assigned tasks, estimate to complete for remaining effort, and associated issues/risks.
• Based on defined technical requirements and architecture blueprints work with a cross-functional team to develop the network detailed design and associated network specifications as part of an overall solution design.
• Document test cases, perform operational readiness testing to ensure the networking environment performs as required and document actual results.

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960 , 6500 switches and Cisco 3640/12000/7200/ 3845/3600/2800 routers, Cisco Nexus 7K/5K, Cisco ASA 500, Juniper J series, M 320 and MX960, Checkpoint, windows server 2003/2008: F5 BIGIP LTM,RIP,OSPF,BGP,EIGRP,LAN,WAN,VPN,HSRP

Confidential, Minneapolis, MN

Network Engineer

Responsibilities:

• Replaced old 6500 and WAN routers from DR testing site and Installed Nexus 7K and ASR 1006 routers.
• Involved in the configuration of the Nexus 2248 Fabric Extender (FEX) module on the Nexus 5000 to connect servers and storage devices.
• Working on Juniper netscreen ISG1000, Palo Alto Networks, Infoblox Grid Manager.
• Commissioning and decommissioning, configuring, URL and Web filtering, SSL Certificates, monitoring, SNMP traps, logging, blocking on Palo Alto devices, migrating from one network to other.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience.
• Installation and management of overall administration of LAN, WAN, systems involving design of network layouts, configuration and maintenance, Commissioning Routers & Switches, firewalls, IPS and ensuring maximum uptime during site deployment to VoIP.
• Knowledge on VOIP protocols like H.323, RTP, SIP and good understanding about VOIP devices.
• Working on Configuring Management Interface IP, Creating Trust Zones, DMZ‘s, ACL, SSL on Juniper Netscreen ISG100.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Working on HP open view map for Network Management System and Ticketing configuration was running and completed in timely manner. Configure policies and enabled rules to alerting on intrusion events.
• Working configuration of new VLANs and extension of existing VLANs on/to the necessary equipment to have connectivity between two different data centers
• Responsible for entire LAN and WAN/WLAN maintenance and troubleshooting of the company network. Involved in the Team of Data Center Operations to perform duties like administration and deployment of Cisco Routers and Switches according to the organization requirements.
• Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, RPVST+, Inter-VLAN routing, and LAN security.
• Configured Hyper-V LAN which decouples virtual networks from the physical network infrastructure, removing the constraints of VLAN and hierarchical IP address assignment from virtual machine provisioning.
• Configured FWSM on cisco 7600 router to reduce costs and operational complexity while enabling organization to manage multiple firewalls from the same management platform.
• Configured ASA 5520/5500to ensures high-end security on the network with ACLs and Firewall.
• Experience with Firewall Administration, Rule Analysis and Rule Modification on cisco ASA 5540, 5585.
• Responsible for Cisco ASA firewall administration across our networks.
• Co-ordinate with the Data Network and Security team and come up with possible solutions.
• Provide solutions to Tier 1/2 escalated issues and tickets.
• Implementation and configuration of F5 Big-IP LTM-6400 load balancers
• Worked in projects converting P2P circuits into MPLS circuits, commissioning and decommissioning of the MPLS circuits for branch offices.
• Configuring and resolving various OSPF issues in an OSPF multi area environment,
• Implemented, configured BGP WAN routing, converting OSPF routes to BGP (OSPF in local routing).
• Expertise in maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.
• Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices & POPs.
• GRE tunneling & Site-to Site VPN configuration between other two sites in USA.
• Implemented redundancy for Routers, Switches and Firewalls.

Environment: Cisco 7200, 7204, and 7206 Routers, Switches: Cisco Distribution layer switches such as 4510, 4948, 4507, 7k, 5k and 2k series. Firewalls 5GT, 208, EIGRP, RIP, OSPF, CISCO ASA, DHCP, DNS, SAN, Spanning tree, Windows Server, Windows NT

Confidential

Network Engineer

Responsibilities:

• Configuring Static, IGRP, EIGRP, and OSPF Routing Protocols on Cisco 1600, 2600, 2800, 3600, 7300 series Routers.
• Configured Site to Site IPsec VPN tunnels to peer with different clients and each of client having different specifications of Phase 1 and Phase 2 policies using Cisco ASA 5500 series firewalls.
• Configured VLAN’s, Private VLAN’s.
• Configure various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches.
• Configuring access layer switches such as Cisco 4510, 4948, 4507 switches for VLAN, Fast Ether Channel configuration.
• Configured inside ACL and interfaces, outside ACL and interfaces.
• Configured NAT and PAT policies.
• Configuration and troubleshooting of EIGRP, OSPF, BGP.
• Design OSPF areas for reliable Access Distribution and for Core IP Routing.
• Support the project manager in defining the work and the associated effort, duration, and resource needs to deliver the solution.
• Extensively used TCP/IP tool like TELNET for remote login to the routers and SSH for secure login.
• Has expertise in LAN/WAN technologies (fast Ethernet, Layer2 & 3 switched/routed LAN, and Frame Relay).

Environment: Cisco Routers ASR1002X/ 3945/3845/2800/3600 , Load Balancer (BIG-IP), Cisco ASA Firewalls, STP, VLAN, VTP, VPN, NAT, OSPF, BGP, EIGRP

Confidential

Jr. Network Engineer

Responsibilities:

• Provided Level 1 Support for Broadband Connection to Virgin Media customer
• Worked As a Technical Support Executive under Virgin Media.
• Received inbound calls of technical nature, independently resolved customer complaints, concerns and inquiries regarding their Internet connection.
• Managed LAN and Wireless Network and performed troubleshooting On LAN, WLAN, Customer Modems (NTL 250, TERAYON, and MOTOROLA) And CPE Router (Cisco-Linksys, Belkin, D-LINK and Dynamode).
• Set up Home Network and provided troubleshooting and full support on virgin- media security Software (PC-guard).
• Implemented IP Telephony and Cisco VOIP 7960 phone systems in the company
• Troubleshoot a wide range of technical support issues and connectivity problems such as authentication, connection speed, e-mail configuration, and loss of synchronization.
• Experience in new employee mentoring, training and coaching.

Environment: LAN, WAN, Subnetting, VLAN, VTP, VPN, NAT, OSPF, BGP, EIGRP