SUMMARY:

• A dynamic professional with 8 years of experience in Networking and Security, including hands - on experience in Routing, Switching, Network design, Implementation and troubleshooting of complex network system by providing network support, installation and analysis for a broad range of LAN / WAN/MAN communication systems.
• Experience in configuring and troubleshooting OSPF, EIGRP, BGP, VLAN’s, Trunking, VTP, STP, PVST, RSTP, HSRP, 802.1q, and Ether-channels.
• Experience securing and managing remote access using various VPN technologies like IPSec, SSL, and GRE.
• Hands on experience in configuring Cisco Catalyst2960, 3750, 4500, 6500 Nexus 3000, 5000, 6000, 7000 series switches and Cisco2600, 2800, 3600, 3800, 7200, 7600 series routers, Load Balancers & Cisco Firewalls
• Working knowledge of network monitoring/management tools like Wireshark, TCPdump, Cisco Prime, PRGT, Solar Winds.
• Experience in Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NAT with the firewalls as per the design.
• Experience in installing and configuring DNS, DHCP server and converting Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience
• Performed load balancing and application level redundancy by deploying F5 BIG-IP LTM 3900.
• Involved in the configuration and maintenance of IPSec Site-Site VPN.
• Background in network design, including Wide Area Networking (WAN), Local Area Networking (LAN),Multiple Protocol Labeling Switching (MPLS).
• Moderate knowledge in configuring and troubleshooting Cisco Wireless Networks: LWAPP, WLC, WCS, Standalone APs, Roaming, Wireless Security Basics, IEEE 802.11 a/b/g, RF spectrum characteristics.
• Involved in designing and commissioning WAN infrastructure for redundancy in case of link failure. Responsible for technical evaluation, troubleshooting, overall project management, problem solving and turn-up of the service with the ISP.
• Adhered design network layout and documented network system design with detail information using Visio software. Vendor co-ordination for hardware issues and assessment management.
• Configuring and implementing routing protocols including RIP, TCP/IP, RIP v1/v2, OSPF, EIGRP, ISIS and BGP.
• Extensive experience in Firewall technologies including general configuration, risk analysis, security policy, rules creation and modification of Check Point Next-Generation Firewalls R65, R70 & GAIA R77.30, Palo Alto Next-Generation firewalls, Bluecoat proxies and Cisco ASA/PIX.
• Wide knowledge of deploying & troubleshooting TCP/IP, Implementing IPv6, Translation from IPv4 to IPv6, Multilayer Switching, UDP, Ethernet, Voice & Data Integration techniques.
• Extensive knowledge in different networking protocols DHCP, DNS, FTP, VOIP (SIP, H.323, MGCP), Quality of Service (QOS).
• Completed tasks in the CUCM such as replacing Cisco IP Phones, Building Cisco IP phones, Changing names, importing phones using the BAT ( Bulk Administration Tool)
• Gained knowledge in developing test plans, procedures, and testing Various LAN/WAN Products and Protocols.
• Hands on experience on VCS, Video Applications, Session Control and Firewall traversal
• Network traces supporting IP Telephony.
• Strong interpersonal, organizational communication, customer service & presentation skills.
• Performed professional level documentation using Visio diagrams.

TECHNICAL SKILLS:

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

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

Switches: Nexus 2K/5K/7K, Cisco Catalyst 6500, 4500, 3850,3560, 3750, 2960

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Etherchannels, 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)

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, DHCP, CDP, TFTP, FTP, SIP.

Network Management: Wireshark,Sniffer,SNMP, Solar winds

PROFESSIONAL EXPERIENCE:

Confidential, NJ

Sr. Network Engineer

Responsibilities:

• Managing and supporting large scale MPLS & Frame relay on Cisco & Juniper environment for more than 5000 Retail sites, 100 Distribution centers, 100 offices and 3 datacenters.
• Troubleshooting issues related to Layer 1/2/3 skills like switching / routing, WAN /Hardware and critical network links by coordinating with the vendor.
• Managing and upgrading IOS image files and taking configuration back-up.
• Configured and maintained Palo Alto Network firewalls.
• Configuring Static, IGRP, EIGRP, RIP 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.
• 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.
• Configured VLAN Trunking 802.1Q, STP (802.1d), Port Security on Catalyst 6500 switches
• Created Visio Dean / Visio Documentation to give complete picture of network design for each building.
• Having Experience of writing test plans for SIP based product plus test cases execution as well as verification of bugs
• Experience working with Nexus 7010, 5020, 2148, 2248 switches.
• Experience configuring Virtual Device Context in Nexus 7k series switch.
• Worked extensively in Configuring, Monitoring and Troubleshooting Check point security appliance, Failover DMZ zoning & configuring VLANs/routing/Nating with the firewalls per design.
• Configuring & managing around 500+ Network & Security Devices that includes Juniper (Netscreen) Firewalls, F5 BigIP Load balancers and 3DNS.
• Responsible for Checkpoint firewall management and operations across our global networks.
• Ability to build deployment, build scripts and automated solutions using various scripting languages such as Shell & Perl.
• Working with Checkpoint Support for resolving escalated issues.
• Planned and implemented network designs, including WAN, LAN, MPLS.
• Remediation of firewall rules from checkpoint firewalls to Cisco ASA firewalls and their implementation.
• Configuring & troubleshooting Checkpoint ClusterXL& VRRP, Handling & managing customer network on Checkpoint VSX.
• Installing & rebuilding IP appliances, checkpoint appliances.
• Configure & troubleshoot IPSec VPN issues, Handle Bluecoat proxy day-to-day operation issues along with device configurations.
• Configured and managed VLANs, 802.1Q Trunk, RPVST+, Inter-VLAN routing, HSRP and LAN security for Layer-2 and Layer-3 switching domains as per the organization's requirement plan.
• 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.
• Performing SIP call flow & other protocol packets flow using Wireshark or Ethereal
• Instant Messaging SIP, Messaging, Group Chat, Chat Room and File transfer.
• Good command on VoIP protocols such as SIP, Media transport Such as RTP, RTCP.
• 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
• 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
• Expertise in developing Complex Automated Script Framework, utility functions manually for HTTP(S) Protocol.
• Deploying Layer 2 security in Server Farms by configuring switch for 802.1x port based authentication.
• Implemented, configured BGP WAN routing, converting OSPF routes to BGP (OSPF in local routing).
• Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems
• Performing network monitoring, providing analysis using various tools like Wireshark, Packet Sniffer, Solarwinds etc.
• Implementation and configuration of F5 Big-IP LTM-6400 load balancers

Environment:Cisco 1600/2600/2800/3600/7300 RoutersCisco 2948/3560/4500/3560/3750/3550/3500/2960 Switches, RIP, OSPF, BGP, EIGRP, VLAN, MPLS, ASA 5500,Palo Alto Networks, F5 Load Balancer 6400, STP, RPVST, LAN, WAN and HSRP, SIP, Wireshark

Confidential, IL

Network Support Engineer

Responsibilities:

• Worked in Configuration and extension of VLAN from one network segment to other segment between different vendor switches (Cisco, Juniper)
• Provided Technical support in terms of upgrading, improving and expanding the network.
• Providing technical security proposals, detailed RFP responses, security presentation, installing and configuring ASA firewalls, VPN networks and redesigning customer security architectures.
• Project to migrate/re-design 700+ customer connections (MPLS & Frame) out of retired
• Handled and organized all migrations, ads and also changes related to infrastructure.
• Implement, and maintain Local/Wide Area Network over 13 branches.
• Configured RIP, OSPF and Static routing on Juniper M and MX series Routers.
• Configuration of NAT.
• Designed and implemented security strategies with Cisco and Palo Alto firewalls.
• Responsible to evaluate, test, configure, propose and implement network, firewalls and security solution with Palo Alto networks.
• Implementing firewall rules and configuring Palo Alto, Fortinet Network firewall.
• Configured IPSec tunnels with Palo Alto firewalls platforms PA 4000 and PA 500 and PA-200 firewalls.
• Design and implement Catalyst/ASA Firewall Service Module for various LAN’s.
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
• Expertise in Planning, Architecture, design & deployment of innovative SIP for Voice Networks
• Configured Client VPN technologies including Cisco’s VPN client via IPSEC.
• Configure switch VLANs and inter-switch communication.  Build and setup network Laboratory.
• Actively involved in troubleshooting on network problems with Wireshark, identifying and fixing problems.
• Basic SIP calls flow (audio and video).
• Time to time upgrade network connectivity between branch office and regional office with multiple link paths and routers running HSRP, EIGRP in unequal cost load balancing to build resilient network.
• Reviewed existing manual Software builds, developed scripts to automate repeated tasks that are more susceptible to errors and risk using Perl and Shell Scripting.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• 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.
• Deployment of Cisco 6500 switches in standalone and VSS modes with 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 with 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 )
• Configured network using routing protocols such as ISIS, RIP, OSPF, BGP and troubleshooting L2/L3 issues.
• Configuring ACL to allow only authorized users to access the servers.
• Maintain effective communications with vendors, peers and clients in resolution of trouble-tickets, equipment
• Return Material Authorizations, and support requests.
• Troubleshoot Hardware, Cisco IOS, install and configure Cisco routers and switches.
• Participated in on call support in troubleshooting the configuration and installation issues.
• Installation, Maintenance, Troubleshooting Local and Wide Areas Network by using ISDN, Frame relay, DDR, NAT, DHCP and TCP/IP.

Environment: Cisco 3640/1200/7200/3845/3600/2800/2600/3500/7613 Routers, Cisco 3750/3550/3500/2960/4500/6500 Switches,LAN,WAN,EIGRP,OSPF,RIP,BGP,F5 Load Balancer,Palo Alto , VTP,DNS,VLAN,HSRP,HTP,IPV4,Nexus 5K,7K,LTM,GTM,SIP , Wireshark

Confidential, CA

Network Support Engineer

Responsibilities:

• Assisted with troubleshooting all network issues with routers and switches when necessary and consulted with on call tech as needed for client.
• Validate existing infrastructure and recommend new network designs.
• Installed and maintained Cisco and F5 Load Balancer documentation.
• Responsible for network design, bandwidth allocation, IP address allocation, supervising installation, configuration and maintenance on major network technologies.
• Worked with various internal organizations during pre/post deployment phase of different type of circuits.
• Installed and configured Cisco 2600, 2800, 3600, 3800 routers and 2950, 3700, 6500 switches.
• Maintained and managed networks running OSPF and BGP routing protocols.
• Configured route redistribution between OSPF and EIGRP in a multi-area OSPF network.
• Daily monitoring of network traffic using sniffers (Wireshark) and access logs to troubleshoot and identify network issues.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, port aggregation
• Route redistribution and route update manipulation using route-maps; distribute lists and AD manipulation and link negotiation.
• Providing Tier II support in the provisioning, end-to-end test and turn-ups and maintenance of the major accounts. Optimizing Network by continuously and extensively working with customer to upgrade and optimize network and Circuit Move Add Changes including detailed design documentation.
• Performed Layer I, II and III troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications. Configured Cisco Routers for BGP, OSPF, RIP, RIPv2, EIGRP, Static and default route in a VPN environment using MPLS.
• Implemented and Troubleshooted the MPLS network.
• Implemented changes and upgrades to network equipment and perform quality assurance reviews of those upgrades. Reviewed all changes to network configuration for technical accuracy and impact.
• Provided Network Support in the designing and implementation of Point to Point over T1s Frame Relay, DSL over ATM and IP over Frame Relay and Gigabit Ethernet.
• Documentation of network resources, systems, peripherals, procedures and policies for optimization of IT resources and security.
• 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.
• Responsible for Checkpoint and Cisco ASA firewall administration across global networks.
• Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
• Co-ordinated with the Data Network and Security team and came up with possible solutions.
• Work on Physical site Inventory verification, gather information of various Cisco Network devices and Security Devices to develop Run book and Spec Book.
• 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.
• Configuration and troubleshooting of Cisco catalyst 6509,7613 with supervisor cards.
• 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.

Environment: Cisco 2600/2800/3600/3800 Routers, Cisco 2950/3700/6500/7613 switches,ASAFirewall,RIPv2,OSPF,BGP,EIGRP,LAN,WAN,MPLS,F5 Load Balancer,VLAN,Trunking,ATM,PPP

Confidential

Network Engineer

Responsibilities:

• Configuring routing protocols OSPF, EIGRP, RIP, MPBGP, LDP
• Provided estimated bandwidth requirements for data replication, to best determine adequate timing for migration service levels
• Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst
• Switches Replace branch hardware with new 2851 routers and 2960 switches.
• Implemented WLAN Aruba Wireless Access Points and its Controllers at various corporate sites fort 11n Infrastructure and its legacy technologies.
• Setup Access list and configured Firewall.
• Implemented QoS for Voice traffic.
• Secure network system by building and enforcing group policies and defining and monitoring access.
• Designed and implemented IT security policies and networked backup systems.
• Documented and maintained technical diagrams, documented logical and physical topology, and other IT procedures.
• Perform network moves, adds, changes including configuring VLANS, Inter-VLAN routing , Trunk ports / Etherchannels and other layer 2 & 3 protocols as required , replace equipment and recommend upgrades.
• Reviewed, approved, procured various IT hardware and software products to fulfill strategic and operational needs of various departments.
• Worked with management and various departments to develop procedures and troubleshoot problems as they arose.
• Coordinated with higher-level support and external vendors for resolution
• Maintained all servers & network equipment with current stable firmware, IOS images & access control lists
• Implemented strategies for operating systems, virus protection, mail systems and Internet services
• Collaborate with peers and work with users to efficiently diagnose , troubleshoot and resolve escalated service tickets.
• Performed scheduled Virus Checks & Updates on all Servers & Desktops.
• Resolved all computer related problems, monitored and maintained system functionality and reliability by identifying ways to prevent system failures

Environment: Cisco 2600/2800/3600/3800 Routers, Cisco 2950/3700/6500/7613 switches, Firewall,RIPv2,OSPF,BGP,EIGRP,LAN,WAN,MPLS,F5 Load Balancer , VLAN, Trunking ,ATM , PPP

Confidential 

Jr. Network Engineer

Responsibilities:

• Installed and configured DHCP, DNS Server.
• Updated the anti-virus, spam blockers, and other security software so that the systems are always secured.
• Actively involved in the analysis and upkeep of the network and systems to keep up with the changing needs of the organization. Operated and maintained local area networks.
• Troubleshooting, installing and configuring Windows XP, Vista 7 &8 desktops , laptop , monitors , disk drives , scanners and server hardware.
• Monitored and maintained system functionality and reliability by identifying ways to prevent system failures
• Identifying technical problems and debugged hardware and software related to LANs/ WANs.
• Dealt with monitoring tools/ network packet capture tools likes Wire-shark.
• Maintained an inventory of parts for emergency repairs. Entered , stored or maintained information in written or electronic form.
• Switching related tasks included implementing VLANS, VTP and configuring ISL trunk on Fast - Ethernet channel between switches.
• Troubleshot Cisco hardware: Inspected devices, Read device LEDs, loose connections, interior IOS upgrade, switch port configuration, port monitoring, watch over Flooding Control/Network port.
• Develop and implement strategies to support the current and future needs of the company.
• Configured Cisco Routers 2600 series using RIP, OSPF and EIGRP.
• Strategies include operating systems, virus protection, mail systems and Internet services

Environment: Cisco 2600/2800 Routers, Cisco 2950/3700 switches, OSPF,BGP,EIGRP,LAN, WAN, MPLS, VLAN, Trunking.