SUMMARY:

• CCNP Certified Professional with 7 years of experience in routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.
• Have wide knowledge right through budget planning, cost estimates, design & implementation of network topology, troubleshooting and also in enhancement activities
• Hands on experience router models (Cisco 7200, 3800, 3700, 2800 and 2600 series) and Switch models (Cisco 6500, 4500, 3850, 3750, and 2900 series) for configuration & troubleshooting of routing protocols: MP - BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS,VRF Routing, NAT, VLAN, STP, VTP, HSRP & GLBP.
• Strong Experience in Industrial Managed Switches (Rockwell/Allen Bradley Stratix 5700, 8000, 5410, 6000 and 2000 Series)
• Experience with designing, deploying and troubleshooting LAN, WAN, Frame-Relay, Ether-channel.
• Experience working with High performance data center switch like Nexus 7010,7018, 7009, 5020, 2148, 2248 devices
• Experience in Configuring and implementing VLAN, VTP, LAN switching, STP and 802.x authentication in access layer switches.
• Switching tasks include VTP, ISL/802.1q, IPSec and GRE Tunneling, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
• Strong Experience in Aruba Wireless platform (AP-105, 135,215, Aruba Controllers 3400, 3600, 7200) and Airwave Management Platform.
• Experience in Wireless Controller (4400,5500 & WiSM) and Wireless Access points (Cisco 1142N, 1242AG, 1231AG)
• 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).
• Experience in IP address management services.
• Good knowledge in configuration of Voice VLAN’s (VOIP), prioritizing the voice traffic over the data traffic.
• Experience with different Network Management Tools WAAS CM, Net flow, Vital Suite, Path view, Smarts, Men and Mice, Airwave, Web view and Fore scout. and Sniffers like Wireshark (ethereal), HP-Open view, RSA envision, and Cisco works to support 24 x 7 Network Operation Center
• Extensive knowledge in different networking protocols DHCP, DNS, FTP, VOIP (SIP, H.323, MGCP), Quality of Service (QOS).
• Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools
• A highly organized individual who adopts a systematic approach to problem solving, effectively analyzes results and implements solutions.
• Strong general management, negotiation, inter-personal, communication and team building skills.
• Experience in Network Management Tools and sniffers like SNMP, HP-Open view, WireShark and Cisco works to support 24 x 7 Network Operation Center.
• Experience in physical cabling, IP addressing and sub-netting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies
• Experience with 802.11x wireless technology
• Ability to Install, Manage & Troubleshoot Large Networks & Systems Administration on Windows & Linux platforms in Development, Lab & Production Environments
• Excellent leadership with good written and oral communication

TECHNICAL SKILLS:

Operating Systems: DOS, Windows 95/98, Windows NT/2000/XP/Vista/7/8.

IP Routing: RIPv1, RIPv2, BGP, OSPF, IGRP, EIGRP.

Communication Protocols: TCP/IP, UDP, DHCP, DNS, ICMP, SNMP, ARP, RARP, PPP, HDLC and ISDN.

Topologies: Frame Relay, ATM, T1, T3, OC3, OC12, OC48, Ethernet, Cable Modem, xDSL and Wireless.

Network Peripherals: Hubs, Cisco switches (2900, 2924, 2950, 3550, 3560, 3750, 3850, 4000, 5500, 6500, 6509, 6513,), Industrial Managed Switches (Rockwell/Allen Bradley Stratix 5700, 8000, 5410, 6000 and 2000 Series),Cisco routers (2600, 2800, 3640, 3700, 3825, 7200, 7204, and 7206), Cisco PIX 500 series, and Cisco ASA 5500 series

Sniffers: WireShark, Solarwinds

Firewall Security: Cisco ASA, Checkpoint, Juniper SRX,.

PROFESSIONAL EXPERIENCE:

Confidential

Sr. Network Engineer

Responsibilities:

• Configuration 7609, 7606 with BGP and catalyst 6505, 4500, 3850, 3750 switches with various VLAN.
• Create and testCisco router and switching operations using BGP routing protocol.
• Configuration and troubleshooting link state protocols like OSPF in multiple areas.
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Optimized performance of the WANnetworkconsisting of Cisco 3570/3850/4500/6500 switches by configuring VLANs.
• Worked On industrial managed switches Rockwell/Allen Bradley Stratix 5000,8000, 5410 switches.
• Implemented MPLS VPN networks to test various problem reproductions in lab
• 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 6500, 7500, 7200 Series routers.
• Managing and supporting large scale MPLS & Frame relay on Cisco environment for more than 200 manufacturing sites, 100 Distribution centers, 100 offices and 4 datacenters.
• Troubleshooting issues related to Layer 1/2/3 skills like switching / routing, WAN /Hardware and critical network links by coordinating with the vendor.
• Configured Aruba controllers 3400, 3600, 7200 and wireless Aruba access points AP 105,135,215
• Involved in Configuration of Access lists (ACL) on ASA firewall for the proper network routing for the B2B network connectivity.
• Provided proactive threat defense with ASA that stops attacks before they spread through the network.
• Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.
• Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications. Configured Cisco Routers for OSPF, RIP, IGRP RIPv2, EIGRP, Static and default route.
• Configured the Cisco router as IP Firewall and for NATting.
• 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
• Involved in Switching Technology Administration including creating and managing VLANS’s, Port security, Trunking, STP, Inter-VLAN routing, LAN security etc.
• Deploying Layer 2 security in Server Farms by configuring switch for 802.1x port based authentication.
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.

Environment: Cisco 6505/4500/3850/3750 Switches, Industrial managed switches Rockwell Stratix 5000/8000/5410, Cisco 6500/7500/7200 Routers, Nexus, 5K,7K, ASA, OSPF, BGP, EIGRP, RIP, LAN, WAN, SSL/VPN.

Confidential, Providence, RI

Sr. 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 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.
• 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.
• 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, Cisco ASA Firewalls, 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.
• Configuring Voice VLANS with respect to Cisco VOIP phones 7940, 7960.
• Worked with the Call manager installation for deploying Cisco VOIP.
• Hands-on experience in the network management of circuits using TDM and Frame Relay network, performing configuration and provisioning management, fault management and performance monitoring.
• Provided VPN services to site-to-site and, Remote access VPNs using IPSec tunneling along with ensuring of high availability.
• Managed, deployed and provided troubleshooting support for Routing Protocols. Performed route manipulation to influence traffic flows using protocols OSPF and BGP across the WAN MPLS cloud.
• Involved in design, documentation, planning and migration of data center fabric from legacy catalyst switches to nexus switches.
• Responsible for simulating network operations with usage of monitoring tools like wireshark, netcool thereby resolving tickets as per the issue.

Environment: Cisco ASA, LAN,WAN,RIP,OSPF,BGP,EIGRP,HSRP,VRRP,RSTP,EIGRP,OSPF,BGP.

Confidential, NJ

Sr. Network Consultant

Responsibilities:

• Designed, installed, and maintained various WAN technologies and applications connecting remote sites to corporate headquarters.
• Configured, implemented, and troubleshoot routers and switches with various account settings, permissions, and parameters including security firewalls.
• Primary responsibility is to design and deploy various network security & High Availability products like Checkpoint NGX, Provider-I, Nokia appliance, Cisco ASA other security products
• Installed various network hardware including concentrators, bridges, and hubs to establish communication connections with remote locations.
• Configured multiple domain name services (DNS), email services (Exchange Server), web, and file transfer protocol services (FTP) for various platforms including line leasing through DHCP servers.
• Experience with creating VIP (virtual servers), pools, nodes and applying iRules for the virtual servers like cookie persistency, redirection of the URL.
• Experience with Trinzic management.
• 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.
• Cisco IOS experience on 3600/7200 class hardware in complex WAN environment and experience on Cisco OS and IOS on CAT6500 in a complex data center environment
• Hands on experience installing Sup720 for Cisco 6509-E series and its Gigabit Ethernet port deployment in the core network.
• Configuring IP, RIP, EIGRP, OSPF and BGP in routers.
• Experience in deploying EIGRP/BGP redistribution and the changing the metrics for the primary and backup paths for the packet prioritization and EIGRP tuning.
• Establishing VPN Tunnels using IPSec encryption standards and also configuring and implementing site-to-site VPN, Remote VPN.
• Experience on a mesh 6500 and 5500 series routes and switches to support the core trading system.
• Experience working with Nexus 7010, 7018, 5020, 2148, 2248 devices.
• Designed the PGP enterprise encryption solution.
• Experience working with High performance data center switch like nexus 7000 series
• Configuring IPSEC VPN on SRX series firewalls.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500.
• Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tunings AS-path.
• Configured IPSec site-to-site VPN connection between Cisco VPN 3000 Concentrator and Cisco 3800.
• 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 the Nexus 5000
• Cisco ASA/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.

Environment: Checkpoint, RIP, OSPF, EIGRP, RIP, BGP, LAN, WAN, MPLS,Nexus 2K,5K,7K,PIX 501,Cisco VPN

Confidential, Boston, MA

Network Engineer

Responsibilities:

• 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. The 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 the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.
• Identify, design and implement flexible, responsive, and secure technology services
• 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 the Edge Routers.
• Excellent troubleshooting knowledge on T1, T3, OC-3 and OC-12.
• Configured egress and ingress queues for ISP facing routers using CBWFQ.
• Generating 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 the 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 the Cisco ASA solution. Migration with Cisco ASA VPN experience

Environment: Cisco 2900/3550/4500/6809 switches, Cisco 1600/2600/2800/3600/7300 routers,Cisco ASA5510, Checkpoint, Cisco ASA, PIX, LAN, WAN, RIP, OSPF, EIGRP, BGP, Nexus 2K/5K/7K,VLAN

Confidential

Network Engineer

Responsibilities:

• Hands on experience with Juniper EX-Series Ethernet Switches.
• Worked on Installation of PIM modules on Juniper J-Series routers.
• Configuring and deployment of Juniper ERX310 router.
• Worked on designing, configuring & troubleshooting of routing protocols: RIP, EIGRP, OSPF, LDP, MP-BGP, BGP v4.
• Configured IP access filter policies.
• Hands on experience and good working knowledge with Checkpoint Firewall policy provisioning.
• Worked on Firewall Administration, Rule Analysis, Rule Modification..
• Resolved various OSPF issues in an OSPF multi area environment.
• Created, configured and managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team. The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core.
• Configuring RIP, OSPF and Static routing on JuniperRouters.
• Involved in configuration and troubleshooting of Cisco catalyst 6509,7613 with supervisor cards.
• Active participation on operational support for routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Troubleshooting traffic passing managed firewalls via logs and packet captures.
• Strong working knowledge and troubleshooting of T1, T3, OC-3 and OC-12.
• Estimated Project costs and created documentation for project funding approvals.
• Managed various teams involved in site surveys, cabling specifications, Network equipment installation and configuration.
• Experience with Juniper firewalls.
• Identify, design, configuring and managing flexible, responsive, and secure technology services.
• Gathering the information on planned resources and presented the project status to higher management.
• Implementation and deployment of series 7613 as PE and CE router and configuring and troubleshooting the Edge Routers.

Confidential

Network Engineer.

Responsibilities:

• Worked on Cisco routers 7200, 3700 and Cisco switches 4900, 2900
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include
• Configured Firewall logging, DMZs & related security policies & monitoring
• Creating Private VLANs & preventing VLAN hopping attacks & mitigating spoofing with snooping & IP source guard
• Installed and configured Cisco PIX 535 series firewall and configured remote access IPSEC VPN on Cisco PIX Firewall.
• Enabled STP Enhancements to speed up the network convergence that include Port-fast, Uplink-fast and Backbone-fa
• Establishing VPN Tunnels using IPSec encryption standards and also configuring and implementing site-to-site VPN, Remote VPN.
• Configured network access servers and routers for AAA Security (RADIUS/ TACACS+)
• Other responsibilities included documentation and change control
• Responsible for Configuring SITE TO SITE VPN on Cisco Routers between Head Quarters and Branch locations
• Implemented the security architecture for highly complex transport and application architectures addressing well known vulnerabilities and using access control lists that would serve as their primary security on their core & failover firewalls
• Active participation on operational support for routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Troubleshooting traffic passing managed firewalls via logs and packet captures.
• Strong working knowledge and troubleshooting of T1, T3, OC-3 and OC-12.
• Estimated Project costs and created documentation for project funding approvals.
• Managed various teams involved in site surveys, cabling specifications, Network equipment installation and configuration.
• Identify design, configuring and managing flexible, responsive, and secure technology services.
• 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.