SUMMARY

• Around 8+ years of experience in networking, installing, configuring and maintaining network devices.
• Implementing IP addressing schemes, Routing, Switching and Firewall Security, including hands - on experience in providing network support, installation and analysis for a broad range of LAN / WAN/MAN communication systems.
• Experience working with 2600, 2900, 3600, 3800,3900, 7200, 7600 series Cisco Routers
• Proficient in configuring Cisco Catalyst 2900,2960, 3560, 3750, 4500, 4900, 6500 series and Nexus 2248, 5548 and 7010 switches.
• Extensively worked on Cisco catalyst 6509 and implemented VSS along with VDC and VPC on Nexus 5505, 7009 switches.
• Experience in designing MPLS VPN and QoS for architecture using Cisco multi-layer switches.
• Experience working with 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.
• Expertise in Configuration of Virtual Local Area Networks (VLANS) using Cisco routers and multi-layer Switches and supporting STP, RSTP, PVST, RPVST along with trouble shooting of inter-VLAN routing and VLAN Trunking using 802.1Q.
• In-depth noledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 SONET POS OCX / GigE circuits, Firewalls.
• Implemented redundancy with HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP) etc.
• Configuring BGP/OSPF routing policies and designs, worked on implementation strategies for teh expansion of teh MPLS VPN networks.
• Proficiently implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list.
• Hands on experience in deployment of GRE tunneling, SSL, Site-Site IPSEC VPN and DMVPN.
• Managed inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.
• Expertise in OSI layer model/TCP/IP.
• Extensive noledge and experience of routing and switching protocols RIP v1 & v2, OSPF, EIGRP, BGP, NAT and VLAN.
• Have noledge on various advanced technologies like VOIP, H.323, SIP, QOS, IPv6, Multicasting, and MPLS.
• Strong noledge of TACACS+, RADIUS implementation in Access Control Network.
• Experience in Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Experience with convert Checkpoint VPN rules over to teh Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
• 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.
• Strong hands on experience on PIX Firewalls, ASA (5540/5550) Firewalls. Implemented Security Policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS).
• Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools.

TECHNICAL SKILLS

Routers: Cisco 7600, 7200, 3800, 3600, 2900, 2800, 2600, 1800, 1700

Routing: OSPF, EIGRP, BGP, RIP v1/v2, PBR, Route FilteringRedistribution, Summarization, and Static Routing.

Switches: Nexus 2K/5K/7K, Cisco Catalyst 2900, 3500, 3700, 6500, 45003850, 3560, 3750, 2960

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Ether channels, Transparent Bridging.

Network Security: Cisco ASA 5540, ACL, IPSEC, F5 Load Balancer, Checkpoint

Load Balancer: F5 Networks (Big-IP) LTM 8900 and 6400.

LAN: Ethernet (IEEE 802.3), Fast Ethernet, Gigabit Ethernet

WAN: PPP, HDLC, Channelized links (T1/T3), Fiber Optic CircuitsFrame Relay, VOIP

Gateway Redundancy: HSRP and GLBP

WAN Optimizer: Riverbed Steelhead Appliance

DHCP and DNS: Infoblox

Various Features & Services: IOS and Features, IRDP, NAT, SNMP, SYSLOG, NTP, DHCPCDP, TFTP, FTP.

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Network Management: Wireshark, SNMP, Solar winds

PROFESSIONAL EXPERIENCE

Confidential, New York, NY

Sr. Network Engineer

Responsibilities:

• Managing and configuring Cisco Switches and Routers independently.
• Configured IP, EIGRP and OSPF in routers. Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers.
• Hands on experience with troubleshooting and configuring terminal servers. Providing Technical Support and solutions for Network Problems.
• Creating and managing user accounts to all team members in partner environment.
• Experience in Cisco switches and routers: IP addressing, WAN configurations.
• Hands on using crimp tools, punch down tools to punch cables to teh 110 data/voice blocks.
• Communicating and escalating tickets with service providers for network outage issues.
• Monitoring Network infrastructure using SNMP tools HP NNM, Solar-winds and Opnet.
• Coordinating with Security team for NAT configuration and troubleshooting issues related to access lists and DNS/DHCP issues within teh LAN network.
• Escalation of procedures and customer notifications.
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
• Worked on Physical site; latency and slowness issues in transmitting results within internal Confidential network.
• Implementation of Cisco 3750, 3850 switches and Cisco 3900 and ASR 1000s routers to new sites.
• Involved in complete LAN, WAN, Extranet redesign (including IP address planning, designing, installation, pre configuration of network equipment, testing, and maintenance) in both Campus and Branch networks.
• Experience working with Nexus 7010, 5020, 2148, 2248 devices.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for teh Nexus 5000.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with teh firewalls as per teh design.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Configuring ASA Firewall and accept/reject rules for network traffic.
• Designing, implementing LAN/WAN configurations on Cisco 5K, catalyst 6500 switches.
• Installing, configuring Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design.
• 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.
• 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 teh F5 BigIP Load Balancers.
• Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems
• Performing network monitoring, providing analysis using various tools like Wireshark, Solar winds etc.

Environment: Cisco 2948/3560/4500/3560/ 3750/3550/3500/ switches and Cisco 640/12000/ 7200/3845/3600/2800 routers, Cisco Nexus 7K/5K, Cisco ASA 500, F5 BIGIP LTM,RIP,OSPF,BGP,EIGRP,LAN,WAN,VPN,HSRP

Confidential, Germantown, MD

Sr. Network engineer

Responsibilities:

• Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, maintenance etc.).
• Implementation of Wireless access points, Cisco 3750, 3850 switches and Cisco 3900 and ASR 1000s routers to new sites.
• Involved in Switching Technology Administration including creating and managing VLANS’s, Port security, Trunking, STP, Inter VLAN routing, LAN security etc.
• Configured IP, EIGRP, RIP, BGP and OSPF in routers. Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers.
• Experience working with 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
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
• Managed corporate Checkpoint Firewall management and operation and implementing security rules and mitigating network attacks.
• Working with Checkpoint Support for resolving escalated issues.
• Deployed Site to Site and Client to Site VPNs utilizing Checkpoint Firewall-1/VPN-1.
• 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 teh F5 BigIP Load Balancers.
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Once trouble ticket has been created keep customer informed of status of ticket and estimated time to repair.
• Coordinating with service providers for WAN link outages.
• Checking and configuring Cisco 7600 and 7200 routers at data center for remote sites’ issues.
• Working on Cisco 6509 and 4507 series switches for LAN requirements that include Upgraded 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 teh network.
• Configure and implement remote access solution for customers: IPSEC, Site2Site, GRE tunnel end-to-end
• 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 with 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.
• Optimized performance of teh WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for teh Nexus 5000.
• Extensive noledge and troubleshooting in data communication protocols and standards including TCP/IP, UDP, IEEE 802.3, Token Ring, Cable Modem, PPPOE, ADSL, Multilayer Switching, DoD standards.
• Managed teh F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs.
• Other responsibilities included documentation and supporting other teams.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco3 640/12000/ 7200/3845/3600/2800 routers,Checkpoint,OSPF,BGP,VLAN,HSRP,LAN,WAN,IPV4,ASAFirewall,Checkpoint,Nexus 7K/5K/2K.

Confidential, Farmington Hills, MI

Sr. Network Engineer

Responsibilities:

• Implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Configured and troubleshoot OSPF and EIGRP.
• Planning and configuring teh routing protocols such as OSPF, EIGRP, RIP, and Static Routing on teh routers.
• Tested autantication in OSPF and BGP.
• Troubleshoot traffic passing managed firewalls via logs and packet captures
• Configured and resolved various OSPF issues in an OSPF multi area environment.
• Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team. Teh LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer.
• Worked with telecom vendors in regards to network fault isolation.
• Hands-on experience with WAN (ATM/Frame Relay), Routers, Switches, TCP/IP, Routing Protocols (BGP/OSPF), and IP addressing.
• Configured CIDR IP RIP, PPP, BGP and OSPF routing.
• Involved in teh configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.
• Experience with Firewall Administration, Rule Analysis, Rule Modification
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Deployed 7613 as PE and CE router and Configured and troubleshoot teh Edge Routers.
• Excellent troubleshooting noledge on T1, T3, OC-3 and OC-12.
• Generated RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
• Configuration and troubleshooting of Cisco catalyst 6509, 7613 with supervisor cards.
• Worked with Juniper Firewalls.
• Experience with implementing and maintaining network monitoring systems (Cisco works and HP Open view) and experience with developing complex network design documentation and presentations using VISIO.
• Estimated Project costs and created documentation for project funding approvals.
• Configured ASA 5540 to ensure high-end security on teh network with ACLs and Firewall.
• Used IPsec VPN tunneling to provide access to user machines and partners in other network. Provided application level redundancy and availability by deploying F5 load balancers LTM.
• Experience with convert Checkpoint VPN rules over to teh Cisco ASA solution. Migration with Cisco ASA VPN experience

Environment: NetFlow, TACACS,EIGRP,RIP,OSPF,BGP,VPN,MPLS,CSM,SUP720, Ether Channels, Cisco 7200/3845/3600/2800 routers, Fluke and Sniffer, Cisco 6509/ 3750/3550/3500/2950 switches, Cisco ASA firewalls.

Confidential

Network Support Engineer

Responsibilities:

• Configured RIP and EIGRP on 2600, 2900 and 3600series Cisco routers
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Implemented VTP and Trunking protocols (802.1q and ISL) on 3560, 3750 and 4500series Cisco Catalyst switches
• Provided on-call support for installation and troubleshooting of teh configuration issues
• Configured Standard, Extended, and Named Access Lists to allow users all over teh company to access different applications and blocking others
• Planned and implemented Subnetting, VLSM to conserve IP addresses
• Configured STP for loop prevention and VTP for Inter-VLAN Routing
• Performed troubleshooting of connectivity problems using PING, and Trace route
• Provided Technical support for improvement, upgradation, and expansion of teh existing network architecture
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment

Confidential

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).
• Troubleshoot a wide range of technical support issues and connectivity problems such as autantication, connection speed, e-mail configuration, and loss of synchronization.
• IOS upgrades on catalyst series switches like 2900, 3560, 3750.
• Troubleshoot TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
• Implemented trunking protocols like 802.1q on 3750 switches.
• Configured ACLs to provide accessibility and restrict unauthorized users.
• Involved in maintaining STP, RSTP and PVST+ for teh catalyst switches me worked on.
• Configured and maintained RIP, OSPF and routing protocols on 2600 and 3600 series Cisco routers.
• Maintaining and troubleshooting of connectivity problems using Ping, Traceroute.
• Assisted in racking and stacking.
• Technical assistance for LAN/WAN management and customer issues.
• Other responsibilities also included documentation.