SUMMARY

• 7+years of experience inDesigning and troubleshooting LAN, WAN, MPLSin Branch, Campus and Data Center environments.
• Good understanding ofRouting protocols (BGP, OSPF, EIGRP, RIPv1&v2), Switching architecture and protocols (VLANs and Spanning Tree).
• Sound knowledge of Optus Transmission network including Alcatel, Nortel, Huawei deployment, VC4, VC12, STM - 1, 4, 16, 64 layer pipes, SDH and VPN Architecture.
• Worked extensively in Configuring, Monitoring and TroubleshootingCisco's ASA 5500 with ACL, NAT, Object Groups, Failover, and Multi-Contexts.
• Working knowledge ofATM, Frame Relay, Access Lists, IP addressing and VLANs.
• Extensively exposed totroubleshooting, maintaining devices and migration of technology.
• Experience withCisco IOS, Cat OS, Cisco IOS XR and JUNIOS.
• Expertise onJUNOS OS, J Series, M Series,MXSeries.
• Strong experience in configuration and troubleshooting of routing protocolsPPP, RIP, EIGRP, BGP, OSPF, HSRP, IPX, IP, IGMP, 802.1q and SNMP with excellent documentation skills.
• Expertise onCisco Datacenter Switches such as Nexus 6500, 7000.
• Planning, Designing, Installing, Configuring of Cisco 6500, 4500, 2900, 3500, 3750 XL series switches, Cisco 1800, 2500, 2600, 2800, 3600, 3800, 7200 series Routers.
• Adept in analyzing information system needs, evaluating end-user requirements, custom designing solutions, troubleshooting for complex information systems management.
• Experience in implementingsite-to-site and remote access VPN Technologiesusing GRE, IPSEC & MPLS.
• Efficient use of Microsoft VISIO/Office for technical documentation and presentation tools.
• Experience inimplementing and maintaining network monitoring tools like Cisco Works, HP Open view. And network analyzers like Wire shark, solar winds tool

TECHNICAL SKILLS

Networking Protocols: RIPv1 & RIPv2, IGRP, EIGRP, OSPF, BGP, TCP/IP,IPSec, UDP, VRRP, HSRP, ATM, MPLS, HTTP, FTP, STP, and RSTP, PIM.

Virtualization: Packet tracer 5.0,OPNET, Boson Netsim,GNS3

LAN Technologies: VLAN,PrivateVLAN,SpanningTree,VTP,802.1Q Trunking, Fast Ethernet, Gigabyte Ethernet and IGMP Snooping.

Network Equipment: Cisco routers: 1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800, 4000, 7200, and 7600. Cisco switches:2900 series, 3560, 3750, 4500, 6500, Avaya switches.

Juniper switches: EX-2200, EX-4200, EX-4500, MX-480, SRX210, SRX240 and M Series

Network Management: NetworkTroubleshooting,HardwareTroubleshooting,NetworkplanningandDesign, Network Administration, SSH, Telnet, SNMP, SDM, ICMP, Cisco Works

WAN Technologies: PPP,Framerelay, ISDN, ATM,MPLS, T1/T3 & E1/E3

Network Security: ACL,IPSec,VPN, Port-security, AAA,Zone-Based Firewalls, IOS based Router security firewalls, IDS/IPS

Network Technologies: MANET, SONET,TDMA, FDMA, CDMA. DSL, POP3

PROFESSIONAL EXPERIENCE

Confidential, San Marcos, CA

Sr Network Engineer

Responsibilities:

• Experience working with design and deployment of MPLS Layer 3 VPN cloud, involving VRF, Route Distinguisher (RD), Route Target (RT), Label Distribution Protocol (LDP) & MP-BG
• Implemented antivirus and web filtering on Juniper SRX 240 at the web server
• Experience working with Nexus 7010, 5020, 2148, 2248 devices
• Experience with convert PIX rules over to the Cisco ASA solution.
• Experience with upgrading SUP1 to SUP2 on Cisco Nexus 7000 Series Experience working with Nexus 7010, 5020, 2148, 2248 devices
• Serve as part of a team of network engineers responsible for base wide network upgrade from Cisco Layer 3 Catalyst switches to Juniper Layer 3 EX4200 & EX3200 switches.
• Design, implement and administer IPv4/IPv6 enterprisenetworkinfrastructure utilizing Juniperrouters
• Identify, design and implement flexible, responsive, and secure technology services
• Experience innetworksecurity in a telecommunications environment.
• Experience configuring VPC, VDC and ISSU software upgrade in Nexus 7010
• Experience in Configuring, upgrading and verifying NX-OS operation system with OSPF, BGP.
• Tests scope to include application modules, integration layer and full end-2-endtesting incorporating various device & web-top clients
• Experience working with Transaction Language 1 (TL1), which is used as a management protocol in telecommunications.
• Experience converting Cat OS to Cisco IOS on the Cisco 6500 switches
• Experience with deploying PIM Sparse-mode/Dense-mode multicasting in Campus locations.
• Actively involved in Switching technology Administration includingcreating and managingVLANS, Port security- 802.1x, Trucking 802.1Q, RPVST+, Inter-VLAN routing, and LAN security on Cisco Catalyst Switches 4507R+E, 6509-E and Cisco Nexus Switches 2232, 5596, 7009.
• Testedvariousnetworks, whichworks on the protocols like of TCP/IP (IP, TCP, UDP, SNMP, DNS, DHCP, FTP, HTTP, HTTPS, ICMP, SMTP, ARP, IPSEC,and NAT).
• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks
• Worked on different phases of testing such as Sanity Testing, Functionality Testing, Smoke Testing, System Testing, Installation Testing, Compatibility Testing, Regression Testing, Stress Testing and UAT Testing.
• Troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP, MPLS
• Configure / Troubleshoot Juniper: EX-2200, EX-4200,and EX-4500, EX 6200 series switch for LAN /WANconnectivity.

Confidential, San Diego, CA

Sr Network Engineer

Responsibilities:

• ProvidedTechnical supportin terms ofupgrading, improving and expanding the network.
• Providingtechnical security proposals, detailedRFP responses, andsecurity presentation,installing and configuring ASA firewalls,VPN networks and redesigning customer security architectures.
• Maintain effective communications with vendors, peers and clients in resolution of trouble-tickets, equipment.
• Troubleshoot Hardware,CiscoIOS, and install/configureCiscorouters and switches.
• Manage and coordinate all infrastructures related to moves,adds, and changes.
• Configuring ACLto allow only authorized users to access the servers.
• Participated in on call support in troubleshooting the configuration and installation issues.
• Installation, Maintenance, Troubleshooting Local and Wide Areas Networkby usingISDN,Framerelay,DDR,NAT,DHCP, andTCP/IP.
• Implement and maintain Local/Wide Area Network over 13 branches.
• Configured RIP, OSPF and Static routing on JuniperM and MX series Routers.
• Worked in Configuration and extension of VLAN from one network segment to other segment between different vendor switches (Cisco, Juniper).
• Design and implement Catalyst/ASA Firewall Service Modulefor various LAN’s.
• Key contributions includetroubleshooting of complex LAN/WAN infrastructurethatincluderouting protocolsEIGRP, OSPF & BGP.
• Configured Client VPN technologies including Cisco’sVPN client via IPSEC.
• Configure switch VLANs and inter-switch communication.Build and setup network Laboratory.
• Actively involved introubleshooting on network problems with Wire shark, identifying and fixing problems.

Confidential, National City, CA

Network/Systems Administrator

Responsibilities:

• Implementing Routing and Switchingusing the following protocols;IS-IS, OSPF, BGP onJuniperM series routers.
• Primary responsibility is to design and deploy various Network Security & High Availability products likeCisco ASA and other Security Products.
• Design, installation and troubleshooting networks with hand-on experience withOSPF, IS-IS, BGP, VPLS, Multicast, VPN, MPLS, & Traffic engineering.
• Troubleshooting of complex LAN/WAN infrastructurethatincluderouting protocolsEIGRP, OSPF & BGP.
• Configured STP for loop preventionon Cisco Catalyst Switches.
• Configured VTP to manage VLAN databasethroughout the network for Inter-VLAN Routing.
• Worked insetting up Inter-VLAN routing,redistribution, access-lists and dynamic routing.
• Involved inconfiguring and implementing ofComposite Network models consists ofCisco 3750, 2620 and, 1900 series routers and Cisco 2950, 3500 Series switches.
• Implemented various Switch Port Security features as per the company’spolicy
• ConfiguredRIP, and EIGRP on 2901 and 3925 Cisco routers.
• Troubleshoot Hardware,CiscoIOS, and install/configureCiscorouters and switches.
• Manage and coordinate all infrastructures related to moves,adds, and changes.

Confidential

Network Engineer

Responsibilities:

• Involved in implementation oftrunkingusingDot1Q, and ISL on Cisco Catalyst Switches.
• Involved in Local Area Network (LAN) design, troubleshooting, and maintenance as per company’srequirements.
• Worked with snipping tools likeEtherealto analyze the network problems.
• Maintenance and troubleshooting of network connectivityproblems using PING, Trace Route.
• Performed replacements of failed hardware and upgraded software.
• Configured VLANS to isolate different departments.
• Troubleshoot issuesrelated toVLAN, VLANTrunking, HSRP failovers, related issues.
• ConfiguredIPSEC VPN on SRX series firewalls.
• Used TFTP server to backup Cisco configuration files.
• Network layer tasks includedconfiguration of IP Addressing using FLSM, VLSM for all applicationsand servers throughout the company.
• Performed scheduled Virus Checks & Updates on all Servers & Desktops.
• Provided technical support for expansion of the existing network architecture to in corporate users