PROFESSIONAL SUMMARY:

• 7 years of experience in routing, switching, regression, administration and troubleshooting on various network technologies.
• Strong Quantitative & Analytical background, wif emphasis on Network Security Management, Network sniffing.
• Expertise in configuration of Cisco Catalyst Switches of 1900/2900/3550/6500, Cisco Routers of 1800/2500/2600/2800/3600/7200/7600, Security Device manager (SDM).
• Thorough understanding of seven layers architecture and TCP/IP addressing, Sub netting.
• Extensive noledge of troubleshooting TCP/IP, Implementing IPv6, Transition from IPv4 to IPv6,
• Deep understanding of VLAN wif 802.1q, VTP, STP and RSTP (802.1W).
• Extensive noledge in implementing, maintaining and troubleshooting LAN Technologies and WAN technologies.
• Thorough noledge in communication protocols like TCP, UDP, ARP, RARP, ICMP, IGMP, Client Server model, Sub netting, VLSM, CDP, Route Summary, VTP Prunning,IPV4, IPV6.
• Good understanding in Network security including NAT, VPN, VLAN, Cisco Firewalls.
• Knowledge on multilayer Switching, UDP, Fast Ethernet, Gigabit Ethernet techniques
• Experience in troubleshooting and deploying of various IP Routing Protocols EIGRP, RIP v1/V2, OSPF.
• Experience working wif Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for a datacenter access architecture Expertise in installing, configuring and troubleshooting Juniper EX Switches (EX2200, EX2500, EX3200, EX4200, EX4500, EX8200 series
• Enterprise Routing experience using protocols RIP v1 & 2, EIGRP, OSPF and BGP
• Expertise in installing, configuring and troubleshooting Juniper Routers ( E,J,M and T - series)
• Implementing security policies using Cryptography, ACL, SDM, PIX Firewall, IPsec, VPN, and AAA Security on different series of routers.
• Network security skills include Telnet, SDM, NAT/PAT, ACLs, AAA, ASA firewall
• Responsible for CheckPoint and Cisco ASA firewall administration across global networks
• Extensive noledge in developing test plans, designing of network, procedures, and testing various
• LAN/WAN Products and Protocols.
• Good noledge in different networking Application layer protocols DHCP, DNS, FTP, TFTP, TELNET, Ether Channel.
• In depth nole dge wif Network Monitoring tool like Cisco Packet Tracer, Boson Netsim, Wire Shark, IXIA, Spirent.
• Extensive noledge of Data Encryption and Compression Techniques DES, AES, RSA, VOIP, Quality of Service (QoS).
• Experience wif Juniper SRX 240 Firewalls
• Good noledge of WLAN including 802.11 standards, PPP, Frame Relay, HDLC.
• Experience in managing, maintaining and migration of large scale enterprise network.
• Excellent communication & Interpersonal skills wif the ability to interface at all levels.
• Worked as a Team Lead, for numerous projects in network engineering.
• Detail oriented and hard-working team player who also can work well independently

TECHNICAL SKILLS

Routers: Cisco 17XX, 18XX, 26XX, 28XX, 37XX, 38XX, 39XX & 72XX series.

Routing: OSPF, EIGRP, BGP, RIP-2, PBR, Route Filtering, Redistribution

Summarization, Static Routing.:

Switches: Cisco 3550, 3750, 45XX, 65XX series.

Switching: VLAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi Layer Switching, operations, Layer 3 Switches, Ether channels, Transparent Bridging

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet, FDDI, CDDI, Token Ring, ATM LAN Emulation

WAN: Leased lines 64k - 155Mb (PPP / HDLC), Channelized links (E1/T1/E3/T3), Fiber Optic Circuits, Frame Relay, ISDN, and Load Balancing. Various Features &Services IOS and Features, HSRP, GLBP, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP and FTP Management.

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Security / Firewalls: Cisco ASA Firewalls 5580-20, IPSEC & SSL VPNs, IPS/IDS, DMZ Setup,CBAC, Cisco NAC, ACL, IOS Firewall features, IOS Setup & Security Features

PROFESSIONAL EXPERIENCE

Confidential, Los Angeles CA

Network engineer

Responsibilities:

• Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, maintenance etc.).
• Involved in Switching Technology Administration including creating and managing VLANS’s, Port security, Trunking, STP, Inter Vlan routing, LAN security etc.
• Implemented wif Cisco Layer 3 switches 3750, 4500, 6500 in multi VLAN environment wif the use of inter-VLAN routing, HSRP, ISL trunk, ether channel.
• Used Cisco routers, switches, Access Points, Concentrators for implementation and management purpose.
• Configured IP, EIGRP and OSPF in routers. Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers.
• Experience working wif Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for datacenter access architecture.
• Experience configuring Virtual Device Context in Nexus 7010
• Working on L3 protocols such as BGP,OSPF and EIGRP also includes static routing and route redistribution.
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
• Provide Tier III Level Load Balancer expertise on F5 BigIP Local Traffic Managers (LTM). Designing F5 solutions/support for migration work of applications and websites from Cisco CSS Load Balancers to the F5 BigIP Load Balancers.
• Responsible for Checkpoint firewall management and operations across our global networks.
• Working wif Checkpoint Support for resolving escalated issues.
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Once trouble ticket TEMPhas been created keep customer informed of status of ticket and estimated time to repair.
• Coordinating wif service providers for WAN link outages.
• Checking and configuring Cisco 7600 and 7200 routers at data center for remote sites’ issues.
• Remediation of firewall rules from checkpoint firewalls to Cisco ASA firewalls and their implementation
• Working on Cisco 6509 and 4507 series switches for LAN requirements that includeUpgraded and updated Cisco IOS from 12.3T to 12.4. Used to DHCP to automatically assign reusable IP addresses to DHCP clients.
• Used PIX Firewall and ACLs for autantication of EIGRP to ensure high security on the network.
• Configured Cisco 7200 routers which were also connected to Cisco PIX 535 security appliances providing perimeter based firewall security.
• Used load balancers ACE and load balancing technique wif multiple components for efficient performance and to increase reliability through redundancy.
• Involved in migration from Frame-Relay/ATM network to MPLS-based VPN for customer’s WAN infrastructure.
• Used Network monitoring tools to ensure network connectivity and Protocol analysis tools to assess and pinpoint networking issues causing service disruption.

Environment: Cisco routers 7200, IOS 12.4 & switches 3750, 4500, 6500; RIP, OSPF, EIGRP, VLAN, DHCP, DNS, MPLS, ISDN, DSL, T1 Lines.

Confidential CA

Network Engineer

Responsibilities:

• Installed various branch Cisco devices including switches and routers.
• Used Cisco routers, switches, Access Points, Concentrators for implementation and management purpose.
• Experience in the implementation, analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as Port Security, VLAN, Trunks, VTP Ether channel, STP, RSTP.
• Deployment of datacenter LAN using Cisco Nexus 7k, 5k, 2k switches
• Experience working wif Cisco IOS-XR on the ASR9000 devices for MPLS deployments.
• Experience wif migrating from OSPF to BGP WAN Routing protocol.
• Experience wif implementation, troubleshooting and testing of static and dynamic routing protocols like EIGRP, OSPF and RIPv1, RIPv2.
• Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs.
• Experience wif convert Checkpoint VPN rules over to the Cisco ASA solution. Migration wif Cisco ASA VPN experience
• Working on Network design and support, implementation related internal projects for establishing connectivity between the various field offices and data centers.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• Configuring Voice VLANS wif respect to Cisco VOIP phones 7940, 7960
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes wif all around technical support.
• Deployment of Cisco 6500 switches in standalone and VSS modes wif SSO and NSF
• Supporting EIGRP, OSPF and BGP based network by resolving level 1 &2 problems of internal Sites.
• Providing daily network support for Global wide area network consisting of MPLS, VPN and point-to point site.
• Experience working wif Network management software NSM.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Implementing and Maintaining Network Management tools (Fluke Network, Nortel ENMS, JFFNMS, SNMP, MRTG, and NMIS )
• Upgrade and troubleshoot Cisco IOS on Cisco Switches and routers.
• Install IOS flash, configurations, and trouble shoot Cisco routers and layer 2 switches
• Install Cisco and Alcatel Routers, Switches, and Servers in hardware racks using various Familiar wif Wire Shark, Log Logic, and various Terminal applications.
• Ability to interpret and resolve complex route table problems.
• Troubleshoot network connections both physically and from command line
• Implementation traffic filters on Cisco routes using Standard, extended Access list.
• Proficient in the creation, configuring, and troubleshooting of VLAN´s and switch trunks on Cisco
• Provide leadership to the team pertaining to technical & management solutions apart from tracking issues on day to day basis and conducting weekly team meetings.

Environment: Cisco Layer 3 switches 3750, 4500; Windows XP SP2/SP3, Windows Vista, Citrix, and Windows 7 SP1

Confidential VA

Network Engineer

Responsibilities:

• Installed various branch Cisco devices including switches and routers.
• Used Cisco routers, switches, Configuration, implementation and management purpose.
• Involved in implementation, analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Implementing and troubleshooting complex layer 2 technologies such as Port Security, VLAN, Trunks, VTP Ether channel, STP, RSTP.
• Upgrade and troubleshoot Cisco IOS on Cisco Switches and routers.
• Install IOS flash, configurations, and trouble shoot Cisco routers and layer 2 switches
• Install Cisco and Alcatel Routers, Switches, and Servers in hardware racks using various familiar wif Wire Shark, Log Logic, and various Terminal applications.
• Ability to interpret and resolve complex route table problems.
• LAN Segments monitoring/Trouble shooting LAN related issues.
• Carryout periodic backup of Router/Switch configurations.
• Planning and Implementing New Infrastructure in the Data Center.
• Analyzing the Bandwidth Utilization of the Links.
• Worked on Network Operations using Ticketing system using SIFY TAC.
• Monitoring the NMS system for different Network Alerts.
• Deployment of datacenter LAN using Cisco Nexus 7k, 5k, 2k switches
• Set up of distributed core LAN using Cisco 6500 series switches
• Coordinating wif service providers for WAN link outages.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
• Responsibilities also include technical documentation of all upgrades done
• Attending meetings and technical discussions related to NOC changes.
• Network Cabling, dressing, labeling and troubleshooting various network drops onsite.
• Troubleshoot of Leased Lines like STM4, DS3, E1 Links, Metro, NLD ILD Services
• Troubleshoot network connections both physically and from command line
• Implementation traffic filters on Cisco routes using Standard extended Access list.
• Proficient in the creation, configuring, and troubleshooting of VLAN´s and switch trunks on Cisco
• Provide leadership to the team pertaining to technical & management solutions apart from tracking issues on day to day basis and conducting weekly team meetings.

Environment: Cisco router 3600,VLAN, ISL, QoS, CoS, DHCP, Firewall, Cisco works, NAT, IPsec VPN, MPLS, RIP V1, RIP V2, OSPF, EIGRP.

Confidential, Shelton, CT

Network Support Specialist

Responsibilities:

• A firm understanding of LAN & WAN network technologies and topologies wif a focus on Troubleshooting, Excellent understanding of network data flows in various protocols.
• Strong networking experience wif routing protocols like TCP/IP, Layer 7 applications protocols, and variable length subnet masking.
• Managing IP allocation.
• Enabled STP Enhancements to speed up the network convergence that include Port-fast, Uplink-fast and Backbone-fast
• Configured network access servers and routers for AAA Security (RADIUS/ TACACS+)
• Other responsibilities included documentation and change control
• Worked on Cisco routers 7200, 3800, 2800 and Cisco switches 4900, 2900
• Routing protocols OSPF, RIP & BGP
• Configured BGP for CE to PE route advertisement inside the lab environment
• Spearheaded meetings & discussions wif team members regarding network optimization and
• regarding BGP issues
• Responsible for configuring GLBP between multilayered switch networks
• Configured AAA wif TACACS+server
• Configured Remote Access Servers wif Frame Relay, Leased Line circuits
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems. Implementation of name resolution using WINS&DNS in TCP/IP environment
• Administration of Cisco 11.x and 12.1 versions and higher
• Monitored all Cisco equipment’s using Cisco Works
• Involved in SNMP Network management. Worked on various scanning and Sniffing tools like Ethereal
• Upgrades and backups of Cisco router configuration files to a TFTP server
• Implementing and maintaining backup schedules as per the company policy
• Troubleshoot network connections both physically and from command line
• Ensure thorough network documentation, including maintaining each account’s backup configurations and network diagrams.
• Engineering team member supporting enterprise networks.
• Network Topologies, Internet Protocol addressing, networking components, basic network design, router configuration, routed and routing protocols.
• Installed various branch Cisco devices including switches and routers.
• Installed and Configured Cisco 3800 series Routers and Catalyst 3500 Switches, UPS and POD (power distribution), Server, Cisco IP Phone (VoIP) 7960 wif Workstations.
• Install IOS flash, configurations, and trouble shoot Cisco routers and layer 2 switches
• Configuring and troubleshooting of various routing (RIP, OSPF, and EIGRP) and switching protocols.

Environment: LAN, WAN, TCP/IP, RIP, OSPF and EIGRP, Managing IP allocation.