SUMMARY:

• Certified Network Engineer around 7 Years of experience in design, implementation, configuration of Cisco Routers, Switches and Firewalls, troubleshooting & fine - tuning of Firewalls, VPN configuration, troubleshooting network related problems in Enterprise & Data Center Networks.
• Around 5 years of experience in implementing and configuring protocols such as HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.
• Around 5 plus years of experience in working with Cisco routers and switches implementing protocols such as EIGRP, OSPF, IS-IS BGP and MPLS on edge routers and so.
• Around 6 plus years of experience in handling Network Monitoring tools and Packet capture tools ( NAM, New Relic, OPNET, NetFlow, Wireshark, and Sniffer ) .
• Hands-on experience configuring and troubleshooting of routing protocols RIP v1/v2.
• Worked with virtual servers using VMware.
• Knowledge of Subnetting IPv4/IPv6 addresses and IP address management.
• Experience with Windows server products and Linux server products.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, bridges, routers, hubs and switches.
• Experience in configuring and Troubleshooting BIG-IP F5 load balancer LTM.
• Creating Virtual Servers, Nodes, Pools and iRules on BIG-IP F5 in LTM module.
• Responsible for switching tasks such as VTP, ISL/ 802.1Q, IPsec and GRE Tunneling, VLAN, Ether Channel, STP RSTP, PVST+.
• Strong hands on experience in installing, configuring, and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500, and 1800 series routers, Cisco Catalyst 6500, 4500, 3750, 2950, and 3500XL series switches.
• Experience with Cisco IOS XR on ASR9000, 12000 series routers.
• Worked on Cisco UCM administration and Cisco UCCX call system.
• Strong experience in creating firewall policies as per the requirements on Palo Alto & Checkpoint.
• Expertise in implementation of IP addressing schemes (includes VLSM) and IP services to meet medium level enterprise level network requirement.
• Worked in Pre-sales and Post-sales Environment.
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps, Cisco ASA firewall.
• Experience in installing and configuring DNS, DHCP server.
• Enabled multipath routing in Data Centers using Shortest Path Bridging.
• Designing experience with MS Visio, Whiteboard, etc.,
• Hands on experience with Juniper EX-Series Ethernet Switches.
• Provided technical support for Palo Alto Networks End User Customers and Partners via phone, e-mail and web.
• Worked on Installation of PIM modules on Juniper J-Series routers.
• Maintain MPLS, IPsec, and SD-WAN connectivity for over 20 sites and two data centers nationwide.
• Implemented highly secure network solutions leveraging networking tools including Cisco IOS-XR, IOS-XE, Cisco ASA and SD-WAN solutions.
• Access Control Server configuration for RADIUS & TACACS+.
• Worked extensively on Palo Alto, Juniper Net screen and SRX Firewalls.
• 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.
• Experience working with Microsoft, VMware, SolarWinds, Active Directory and related technology
• Good knowledge and experience in installation, configuration, and Administration of Windows 2000/2003, HTTP, FTP, DNS, NTP, DHCP servers under various LAN and WAN environments.
• Adept knowledge in preparing technical documentation and presentations using Microsoft Visio/ Office.
• Provides technical leadership for problem escalation and resolution.
• Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professionalism.

TECHNICAL SKILLS:

Routers: Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800, and 7200)

Switches: Cisco L2 & L3 Switches (2900, 3560, 4500, 5000 & 6500), ASA, PIX, FWSM, Juniper, Net screen, Palo Alto

LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet,VLAN, Inter-VLAN Routing, VTP, STP, RSTP

WAN Technologies: Frame Relay, ATM, ISDN, PPP, HDLC

Firewalls: Firewalls/VPNs ASA, PIX, Cisco VPN 3000 Series Concentrator

OS products/ Services: DNS, DHCP, Windows (2000/2003, XP), UNIX, LINUX, Microsoft SQL Server 2000 and 2005, VMware.

Protocols/Services: Routing Protocols (RIP v1 & v2, IGRP, OSPF, EIGRP, BGP), QoS, HSRP, VRRP, TCP/IP, load balancer, Proxy servers, IPSec, MPLS, PPP, VoIP, SIP, H.323, IPV6

Network Management Tools: Wireshark, Netflow Analyzer, HP OpenView, Cisco Works, Ethereal, OPNET, Solarwinds

Security Server Protocols: TACACS+, RADIUS

Tools:, Software: VM ware, Virtual Box, Cisco packet tracer, GNS3, Cloud computing Concepts, Software Defined Networking, MS Visio, F5 Big IP, JIRA

PROFESSIONAL EXPERIENCE:

Confidential, Chicago, IL

Sr. Network Engineer

Responsibilities:

• 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.
• Supporting EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations.
• Configuring/Troubleshoot issues with the following types of routers Cisco (7200, 6500, 4500, 1700, 2600 and 3500 series), to include: bridging, switching, routing, Ethernet, NAT, and DHCP, as well as assisting with customer LAN /MAN, router/firewalls.
• Implemented various EX, SRX & J series Juniper devices.
• Have created lot of site to site IPSEC VPN tunnel with Checkpoint, Juniper Netscreen firewalls and Cisco PIX/ASA firewalls. Completed a project to update the patch HFA50 across all the firewall to overcome the bugs in the existing version of R65.
• Responsible for 6500, 3500, Nexus switching, ASA, FWSM Firewalls, CSS and F5 load balancers, Riverbed WAN accelerators, IronPort Proxy, and Linux/Bind DNS servers.
• Configuring various advanced features (Profiles, monitors, iRules, Redundancy, SSL Termination, Persistence, SNATs, HA on F5 BIGIP appliances SSL termination and initiation, Persistence, Digital Certificates, Executed various migration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM.
• Wrote IOS and CAT OS upgrade procedures and Pre/Post checks for customer production upgrades.
• Excellent Troubleshooting Skills and Customer Centric approach.
• Configured OSPF on CISCO devices with multiple routing processes and redistributed them. Tested and hands on experience in multi area OSPF topologies.
• Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP and OSPF (Single Area and Multi Area).
• Technical resource for all threat related products and features of the Palo Alto Networks product line.
• Initiated pre-sales activities, consulting services and products - Developed projects’ scopes (SOW, scope of work) and prepared proposals.
• Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550.
• Configuring Vlan's, VTP's, enabling trunks between switches.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Assisted in network engineering efforts consistent with the infrastructure of an Internet Service Provider and support of such network services. Helped in designing and implementation of VLAN for the new users.
• Installation and Configuration of various types of Personal Computers and Printers. Installation of different operating systems on Intel based PC's.
• Troubleshooting of personal computers. On line Support to customers concerning their computer problems.
• Updated the HP open view map to reflect and changes made to any existing node/object.
• Experienced SRST and implemented and configured the Gateways, Voice Gateways.
• Configuring HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.
• Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• Actively participating updating to different modals of Cloud computing (IAAS, PAAS, SAAS).
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-VLAN routing, LAN security.
• Worked on the security levels with RADIUS, TACACS+.
• Completed service requests (i.e. - IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc.)
• Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
• Security policy review and configuration in Palo Alto and JuniperSRX Firewall in US offices and Datacenter.
• Develop SD-WAN Low Level Design to address network problems with traditional enterprise network.
• Experience working Juniper T-Series, M-Series, MX-Series, J-Series Routers.
• Setup and maintain Fortigate firewalls, along with SD-WAN for redundant internet connections.
• Identify, design and implement flexible, responsive, and secure technology services
• Monitored network for optimum traffic distribution and load balancing using Solar winds.
• Validate existing infrastructure and recommend new network designs.
• Created scripts to monitor CPU/Memory on various low end routers in the network.
• Installed and maintained local printer as well as network printers.
• Experienced installation of Windows NT Server and Windows NT Workstations.
• Experienced Tech Support as it relates to LAN & WAN system.

Environment: Cisco 7200, 6500, 4500, Ethernet, Nat & DHCP, Juniper Devices (Ex, Srx, 4J), Cisco Pix/ASA firewalls, SD-WAN, Css, F5 Load Balancer.

Confidential, Redmond, WA

Network Engineer

Responsibilities:

• Responsible for configuration, maintenance, and troubleshooting of dynamic routing protocols: BGP, OSPF & EIGRP (route redistribution, distribute lists, route-maps, offset-lists, prefix lists, route summarization, route-feedback, BGP attributes) on Cisco Routers 7613, 7201, and 3945E.
• Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NAT’ing, NAC product sub-netting, also including DNS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols.
• Hands on experience and good working knowledge with Checkpoint Firewall policyprovisioning.
• Experience with managing the completed end to end site solutions.
• Performed pre-sales and post-sale support for all products and services, including perimeter solutions.
• Hands on experience with Juniper EX-Series Ethernet Switches.
• Designed, Implemented and Troubleshot Cisco 3750, 3550, 3560, 2924, 6509-V-E, 6513, 6504, 6503, 6506, 6500 series switches.
• Plan Design and assist in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Understand the JUNOS platform and worked with IOS upgrade of Juniper devices.
• Installed, configured and managed Cisco routers such as 7200 series, 3800 series, 3700 series, 2800 series and Cisco Catalyst switch series 6500, 4500, 3500, and 2900.
• Upgraded the data center network environment with Cisco ASA 5520. Configured ACL’s on Cisco Switches as well as configured routers as terminal servers.
• Design and configuring of OSPF, BGP on Juniper Routers (MX960, MX480) and SRX Firewalls (SRX240, SRX550).
• Implementing 3750 Stackable switches using Cisco Stack Wise technology. Experience to review, evaluate current and future design issues as required maintaining network integrity, efficient data flow.
• Configuring and managing Blue Coat Proxy Servers.
• Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX as per the design.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Worked on Layer 2 protocols such as STP, VTP, RSTP, PVSTP+, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment
• Involved in designing and implementing QOS and policy map to 2800 series routers for all the branches
• Experience with Branch Relocation: Connect workstation, servers, etc. Rack and stack Pre-configured new hardware and connect the circuits. Worked with Carrier to test and turn-up circuits.
• Performed IP address planning, designing, installation, configuration, testing, maintenance, and troubleshooting in complete LAN, WAN development.
• Supported EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations.
• Provided tier 2 support for Check Point and Cisco ASA Firewalls to support customers, Backup and restore of checkpoint and Cisco ASA Firewall policies.
• Installed wireless access points (WAP) at various locations in the company.
• Actively involved in switching technology Administration including creating and managing VLANS, Port security - 802.1x, Trunking 802.1Q, RPVST+, Inter-VLAN routing, and LAN security on Cisco Catalyst Switches 4507R+E, 6509-E and Cisco Nexus Switches 2232, 5596, 7009.
• Created dedicated VLANs for Voice & Data with QOS for prioritizing VOICE over DATA.
• Configured Voice ports and Dial peers on the call manager for the VOIP call to reach remote destination.
• Worked on configuration and commissioning of the MPLS circuits for various branch offices.
• Provided Daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
• Performed Network Security Assessment and implemented security improvements such as network filtering, SSH, AAA, SNMP access lists, VTY access lists, EIGRP MD5 authentication, and HSRP authentication.
• Built SD-WAN test network design using multiple cases to look client data center networks simpler to manage, operate, and maintain.
• Configuring, installing SD-WAN devices, running shipping and receiving department, and day-to- day operations.
• Areas of focus included development of NFVI specification for centralized NFV services, development of SD-WAN services.
• Handled Network capacity planning, modeling, and traffic optimization and experience in using tools (OPnet, Netflow, etc.).
• Configured ACL’s in Cisco 5520 ASA firewall for internet Access requests for servers, Protocol Handling, Object Grouping and NAT
• Responsible for Data Center Migrations and its operations including the change from 6500 switches to nexus series switches, configured VPC/VDC on nexus 2k, 5k and 7k.
• Worked on multipath routing in Data Center using Shortest Path Bridging.
• Implemented antivirus and web filtering on Juniper SRX 240 at the web server as well as configuration of F5 Big-IP LTM-6400 load balancers and experience working with F5 technologies (LTM, GTM, APM, V9, V10, V11)
• Experience in deploying, configuring & maintaining F5 3DNS (Global traffic Manager) Controller and BigIP -LTM (local traffic manager) for wide area load balancing and global redirection using VPN and Proxy load balancing techniques.
• Worked in an Agile Scrum environment and with HPSM Change Control System.
• Documented workflow process, managing and implementing standard policy and procedures.

Environment: Cisco Routers 7613,7201, 3945E, Dynamic routing Protocal BGP, OspE, EIGRP, DNS, LDAP, DHCP, Http, HTML, Https, SD-WAN, Cisco switches 3750, 3550m, 2924,6500.

Confidential, Pittsburgh PA

Network Engineer

Responsibilities:

• Managing and troubleshooting of Cisco 12K GSR, 7600, 7200VXR and Juniper M320 routers including installation, upgrade, configuration and network management.
• Configuring managed CPE routers such as Cisco 2600, 3640, 7200VXR for eBGP peering.
• Configuration and support of multi area OSPF environment with SPF throttling.
• Configured MD5 authentication for OSPF/BGP and TTL security for BGP.
• Troubleshooting of routing protocols like OSPF, BGP and modifying various BGP attributes like Local-Pref, Weight, MED, RR attributes like Cluster-list & Originator-ID.
• Tested QoS infrastructure to provide proper priority and queuing based on traffic type using Ixia and Spirent test sets.
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers.
• Configuration and troubleshooting link state protocols like OSPF in single area and multiple areas.
• Redesign of Internet connectivity infrastructure for meeting bandwidth requirements.
• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Plan Design and assist in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Planned, tested and evaluated various equipments, systems, IOSs and procedures for use within the Network / security infrastructure.
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Implemented traffic class mapping to different VLANs/VRFs based on the traffic type - voice, data, control and billing.
• Provided pro-active fault monitoring of Cisco routers and switches utilizing HP overview, CiscoWorks and Cisco IOS commands.
• Configured and performed troubleshooting of EIGRP and BGP on Sears FLS and data center routers.
• Configured VLANs, RSTP, HSRP, DLSW and VRRP for Sears FLS and offices.
• Performed packet analysis of web applications using nGeniusInfiniStream application
• Created configuration templates for changes in Sears Outlet stores and FLS.
• Provided Level 3 technical support for data centers and stores.
• Prepared cost estimates for new store deployments and changes.
• Completed Sears’s datacenter audit and updated Visio diagrams.

Environment: Cisco - 12k, GSR, 7600m 7200vxr, Juniper M320, Cisco 3550/4500/6500 switchs, VLans, HSRP, 802.IQ, EIGRP, BGP, FCS.

Confidential, IL

Network Engineer

Responsibilities:

• Experience working with Network management software NSM.
• Configuring IPSEC VPN on SRX series firewalls
• Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
• Deploying and decommissioning the VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
• Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Configuring and managing Cisco IP Communicators and hard phones Client infrastructure for the end users
• Implementing and Maintaining Network Management tools (Fluke Network, Nortel ENMS, JFFNMS, SNMP, MRTG, and NMIS)
• 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.

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/ switches and Cisco 3640/ 0/3845/3600/2800 routers, Cisco Nexus 7K/5K, Cisco ASA5510, Checkpoint, Aruba Controllers 6000,3600,650: windows server 2003/2008: F5 BIGIP LTM.