SUMMARY

• Data Network & Security Engineer with around 8 years of experience in the industry, which includes expertise in the areas of Routing and Switching, Load balancer and mixed Vendors Firewalls.
• Hands on experience of data center environment and implementation of VPC, VDC and Fabric path on Nexus 9K, 7K, 6K, & 2K Switches.
• Hands on Experience with Cisco ASA 5500 series Firewalls, Palo Alto Firewall, Juniper, Fortinet as well as Check Point firewall.
• Implementation of HSRP, VRRP and GLBP for Default Gateway Redundancy.
• Excellent communication skills to interact with team members and support personnel and can act as a mentor to less experienced personnel.
• Worked on F5 LTM, GTM series like 6400 & 6800 remotely under the enterprise network.
• Worked on F5 LTM/GTM, Big - IP, load balancing, iRules, and WAN acceleration.
• Experience in working with Cisco Nexus 9k, 7k, 5k, 2k Switches and Virtual Port Channel configuration.
• Experience in configuring IPSec VPN Tunnels, GRE Tunnels and DMVPN Tunnels.
• Experience in configuring MPLS VPN in the core.
• Implemented traffic filters on Cisco routes using Standard and Extended Access list.
• Hands on experience creating iRules with Tickle Script and applying it on virtual servers to inspect and redirect service ports.
• Hands on experience with deployment of QKview files in iHealth and monitoring.
• Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP.
• Proficiency in Cisco ASAs, ISRs, Catalyst/Nexus, HP Switches, Cisco Meraki, Aruba, EIGRP, OSPF, BGP.
• Expert Level Knowledge about TCP/IP and OSI models.
• Ability to interpret and resolve complex route table problems.
• Experience in configuring route redistribution between routing protocols and troubleshooting them.
• Experience in installing, configuring and troubleshooting of Checkpoint Firewall.
• In-depth knowledge and hands-on experience on IP Addressing, Sub-netting, VLSM and ARP, RARP and Ping Concepts.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.
• Experience in configuring HSRP and redistribution between routing protocols.
• Working Knowledge of WAPs, WLCs.
• Advanced knowledge on Internetworking, OSI model, TCP/IP, network architecture, system security and firewall infrastructure.
• In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
• Reporting the work done in Word/Excel format to superiors.
• Hands on experience installing and configuring Cisco ISE 1.3 and later upgrading to 1.4.
• Worked on PKI infrastructure and created timed CA certificates
• Implement and support multivendor network covering Cisco, Meraki, Juniper, F5, Fortinet, and HP LAN/WAN hardware.
• Configure, install, and upgrade Juniper Routers MX, Juniper EX, and Arista Switches, and Aruba Wireless Access Points
• Experience setting up 802.1x wired and wireless networks in NAM (Network Access Manager)
• Designing and building a robust and secure Wireless LAN Network solution using latest 802.11a/b/g/n wireless technology.
• In-depth knowledge and hands-on experience on IP Addressing, Subnetting, VLSM and ARP, reverse & proxy ARP, DNS & DHCP, Ping and Traceroute concepts.
• Experience working with Virtualization and Storage team in Network resource Provisioning.
• Experience configuring IPV4/IPV6 Multicast to flex support VMware hosts and Storage hosts. Stretching layer 2 VLAN's on OTV across Data centers for VMotion.
• In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and valuable experience on IP services.
• Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professionalism.
• Build stable, productive and profitable operations within highly technical environment.
• Well experienced in configuring various routing protocols like RIP, EIGRP, OSPF, BGP, MPLS
• Well Experienced in configuring protocols like HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.
• Hands on experiences in WAN optimization riverbed technology.
• Expertise Level of experiences in Wireless Technology, specially Cisco Wireless 2500, 5500, 4400, 6500 Series, Wireless Access Points 3700, 3800, 3500 as a CAPWAP/LAPWAP/Standalone/ Mobility Express mode.

TECHNICAL SKILLS

Networking Technologies: LAN/WAN Architecture, TCP/IP, VPN, VLAN, VTP, NAT, PAT, STP, RSTP, PVST, MSTP

Networking Hardware: Cisco Switches, Cisco Routers, ASA/Pix/Palo Alto/Fortinet/Juniper firewalls.

Routing Protocols: OSPF, ISIS, EIGRP, RIP, MPLS, IS-IS, BGP, Multicasting

Security Technologies: PAP, CHAP, Cisco PIX, Blue Coat, Palo Alto, ASA, Fortinet, Checkpoint

Network Monitoring: Solarwinds, Wireshark, HRping, Whatsupgold, Infoblox

Operating Systems: Windows 7, Vista, XP, 2000, LINUX, Cisco IOS, IOS XR, IOS-XE, NX-OS

Routers: CISCO 4300, 4400, 4500,2600, 2800,3800,7200, Juniper M & T Series, ASR 1000

Load Balancers: F5 Networks (BIG-IP), Netscaler (Citrix)

Capacity & performance: Cascade Riverbed (Flow Monitor), WAN Killer

Switches: CISCO 2960,3750,3850, CAT 9300, CAT9400, CAT 9500,4500,6500,6800 Nexus 9k,7k,5k,2k

Programming Languages: C, C++, Perl, Power Shell, Python

Simulation Tools: GNS3, VMware, OPNET IT GURU, OPNET Modeler, Cadence

Firewalls: Juniper Net Screen (500/5200), Juniper SRX (650/3600), Pix (525/535), ASA (5520/5550/5580 ), McAfee Web Gateway, Checkpoint, Palo Alto firewalls.

AAA Architecture: TACACS+, RADIUS, Cisco ACS

Features & Services: IOS and Features, HSRP, GLBP, VRRP, IPAM IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP and FTP Management, Open Stack, IVR’s, HLD and LLD documents, Dell equal log ics

PROFESSIONAL EXPERIENCE

Confidential, Seattle, WA

Sr. Network Engineer

Responsibilities:

• Dealing with clients for resolving/troubleshooting issues on LAN /WAN Inventory management.
• Data center migration was involved in Access, Distribution and Core layers.
• Strong Knowledge in working with F5 Load Balancers and their Implementation in various Networks.
• Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems also manipulating BGP attributes.
• Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800 series and ASR 1K routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Experience working with ASR 1000 series with IOS-XR.
• Maintain system andnetwork availability and monitoring of services, Troubleshoot and report ofnetworkperformance issues.
• Configuring and troubleshooting CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640, Cisco GSR 12416, 21418 (with PRP and RPR processors)
• Experience working JuniperT-Series, M-Series, MX-Series, J-Series Routers.
• Implemented WLAN Cisco Wireless Access Points 3500 and its Cisco Controllers 5500 at various corporate sites fort 11n Infrastructure and its legacy technologies.
• Experience in working with cisco Nexus 5000 series switches for data center.
• Experience in working withF5 BIG-IP Load Balancing solutions including LTM, GTM, and ASM solutions.
• Configuration of l2circuits on Juniper MX/QFX.
• Configuration, troubleshooting, deployment of Cisco ASR 920 routers, ASR 901 routers, ME 3400 switches, Juniper MX, QFX.
• Configured various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Organize and Install structured cabling in MDF, IDF and Datacenter
• Converting CatOS to Cisco IOS Config Conversion on distribution layer switches.
• Configuring VLANs, 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.
• Configuring static NAT, dynamic NAT, inside Global Address Overloading, Access-Lists.
• Configuration and extension of VLAN from one network segment other segment between Different vendor switches (Cisco, Juniper).
• Replace branch hardware with new 2851 routers and 2960 switches.
• Responsible for layer 2 securities which was implemented using a dedicated VLAN ID for all trunk ports, setting the user ports to non-trunking, deployed port security when possible for user ports.
• Assist with identification of root cause analysis for software and hardware issues.
• Install and maintain the wireless infrastructure (Aruba, HP controllers) Configuration of SSID, VLAN binding, security management.
• Technical assistance for LAN/WAN management and complex customer issues.
• Performed Troubleshooting and monitored routing protocols such RIP, OSPF, EIGRP & BGP.
• Analyze Remedy Ticket issues for repeat issues and corrective actions.
• Designed Enterprise Wireless Solutions with 5508 WLC's onsite and remote mse Controllers.
• Designed a Flex Connect solution for the Enterprise using 5508 WLC's at the Data Center.
• Configured Cisco wireless controllers and access points for enterprise network including setting up SSIDs and WLANs on WLC’s like 2504, 5508 and 5760.
• Implemented Nexus 2k, 5k switches at the IDF and MDF of the Network Environment by Configuring and troubleshooting the issues.
• Migrated APs to Flex Connect. Configured VLAN mapping to ensure the availability of data and voice networks to remote sites and offices.
• Integrating Configuring Cisco Wireless LAN Controllers WLC with ISE to perform Dot1x authentication for Wireless users.
• Responsible in troubleshooting on Cisco ISE added new devices on network based on policies on ISE.
• Implemented Cisco Prime Infrastructure 2.1 to monitor WLC and APs, and Mobility Services Engine (MSE) to support wireless localization.
• Experienced in creating MOPS (Method of procedures) and getting them approved from peers to perform configuration changes.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NAT with the firewalls as per the design.
• Created policies and Configured IDS and Deep Packet Inspection on ASA Firewalls. Configured ASA 5540 to ensure high-end security on the network with ACLs and Firewall.
• Configuration and troubleshooting of Cisco Security Manager (CSM), integrated with ASA devices.
• Involved in providing access to user machines and partners outside our network by SSL and IPSec VPN tunneling.
• Provided administration and support on Bluecoat Proxy for content filtering and internet access to head quarter, remote site offices and VPN client users.
• Upgraded load balancers from Radware to F5 BigIP v9 which improved functionality and scalability in the enterprise.
• Managed the F5 Big IP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs.
• Design and Build Software-Defined Data Center environment, including VMware, VCenter, NSX and Cisco ACI.
• Hands-on expertise with Ether Channel, Spanning Tree, Trucking, ACLs, Syslog. Expertise within the setup of HSRP, Access-Lists, and RIP, EIGRP, and tunnel installations.
• Managing SQL, Middleware, and Oracle activity for migration.
• Proficiency in configuration of VLAN setup on varied Cisco Routers and Switches.
• Work allotted tickets to see the purpose of failure and resolve issues remotely utilizing obtainable tools and different Operation Center resources.
• Monitor the network using cisco prime, HRping.
• Deploy Arista 7504, 7280Arad, 7280J+, 7050, 7010 and Juniper EX-4300, EX-4200 switches to replace EOL Cisco 4948, 3750 switches in the access layer.
• Upgraded switching infrastructure from EOL hardware to new in warranty products from Aruba/HP
• Analyzed and tested network protocols (Ethernet, TCP/IP) mistreatment Wireshark tool.
• Provide step-up support to L1 members of network team.
• Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools.
• Configured Windows Clusters, Windows NLB, H/W Load Balancers (F5, Netscaler). Deployed, configured and troubleshooting runtime errors related to .Net applications on 7.0/7.5 Web Servers and Windows Server 2008/2008 R2 in Dev, QA & Pre-prod environments.

Environment: Nexus 2k/5k/7k/9k, Cisco 6500/7500/7200 Routers, Cisco 3550/4500/6500 switches, Juniper SRX100, Fortinet Next Generation Fire Walls, LAN, WAN, OSPF, RIP, BGP, EIGRP, HSRP, PPP, VPN, Checkpoint, Cisco ASA, AWS, TCL, Riverbed, Clustered SQL server 2014/2012/2008 R2/2008/2005, DC migration, Active-Active& Active-Passive Clustering, Windows 2012/2008R2/2008/2003

Confidential, Bloomington, IL

Network Engineer

Responsibilities:

• Configuration and provisioning on cisco routers and switches.
• Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.
• Worked on the redistribution of connected routes on all OSPF devices so that all connected subnets are advertised via OSPF.
• Manages LAN/WAN network support across a diverse network infrastructure consisting of metro Ethernet, microwave and satellite communications.
• Handling various trouble tickets, firewall rule changes, assisting other teams to bring the device to production, making DNS changes in InfloBox and routing changes.
• Experience working with SIP to setup multimedia sessions between two groups.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Created all the network switch configurations for Juniper EX2200, EX4300 and EX4600 switches.
• Configuring IPSEC VPN on SRX series firewalls.
• Analysis of basic network designs and corresponding changes.
• Provisioning of VLANs and configuration on layer 2 and 3 aggregators like Cienna, Calix, Adtran, and AFC devices.
• Worked on Cisco 5500 wireless controller, Cisco Prime and Cisco WAPs.
• Troubleshooting of ADSL customers on routers and switches.
• Worked on different cable technologies like twisted pair, fiber optic and coaxial.
• Experience with migrating from IOS to IOS-XR on ASR 1K.
• Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
• Designed and configured the commands for QoS and Access Lists for Nexus 7K and 5K.
• Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
• Performing troubleshooting on slow network connectivity issues, routing issues involves OSPF, BGP and identifying the root cause of the issues.
• Performed Break Fix support through driving to different buildings, identifying the root cause of the hardware issues with switches, routers.
• Experience in configuring vdc, fex pinning, fex port-channel, port-channel, peer keep alive,peer link.
• Experience in working and designing configurations for vPC, vPCdomian, vpc peer-gateway, vPCpeer-switch, auto-discovery, vPC singlesided, vPC double sided, NX-OS, VFR, Otv, fabric path.
• Deploying and decommissioning the TOR switches and their respective software upgrades.
• Performing the ACL requests changes for various clients by collecting source and destination information from them.
• Configure Corporate, Wireless and Lab Devices which includes Bandwidth Upgrade, Adding New Devices, Decom the Devices.
• Re-engineered aging WAN supporting 2K+ remote users, Utilized Metro Ethernet, MPLS and VRF technology.
• Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Correspondence and fixing RCAs.
• Outages escalation and troubleshooting.
• Inband and out of band IPv4 management and maintenance on service provider and customer ends.
• Experience with testing and maintenance of various Ethernet and fiber links like DS1,DS3,OC3,T1s, IMA, GigE, 10 GigE
• Experience with various VPN technologies.
• Documentation with aid of various software tools like MS office suite, Excel spreadsheets, Lucid charts and Visio
• IP provisioning, IP changes on routers, monitoring performance of devices for particular IP range.
• Creation of MOPs (Method of Procedure).
• Data Centers and global infrastructure support.
• Coordination of Speed tests and loop back tests for access devices (DSLAM devices).

Environment: Cisco switches - 2948/3560/4500/3560/3750/3550/3500/2960 6500 and Cisco routers - 1200/3640/7200/3845/3600/2800 , Cisco Nexus 7K/5K, Cisco ASA 500, Cisco ISE, F5 BIGIP LTMRIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP, TCL, SQL Server 2005 Integration services packages.

Confidential, Chicago, IL

Network Engineer

Responsibilities:

• Hands on experience of Nexus 9K, 7k, 6K, 5k and 2K FEXs and Cisco switch 3560.
• Configured datacenter technologies like VPC, VDC on Nexus 7010 Core Switches.
• Configured Layer 2 & Layer 3 interfaces and port channels on Nexus 9508
• Worked on F5 LTM/GTM, Big-IP, load balancing, iRules, and WAN acceleration.
• Creating and managing user accounts to all team members in partner environment.
• Experience in Cisco switches and routers: IP addressing, WAN configurations.
• LAN cabling in compliance with CAT6 standards; Installing new hardware and swap out hardware physically.
• Managed VPN, IPSec, Endpoint-Security, status policy, Application control, IPS, Monitoring, Anti-Spam, Smart Provisioning, DLP using Checkpoint Firewalls
• Management of IronPort Proxy, Riverbed Cascade profiler
• Maintenance and configuration of Cisco ASR1000 series and 7200VXR routers at data center and deployment of 3900, 3800, 2951 and 2821 for branch connectivity
• Upgrading code onPalo Altofirewalls PA5050/3020 to meet company security policy.
• Support Panorama Centralized Management forPalo altofirewall PA-500, PA-200 and PA3060, to central manage the console, configure, maintain, monitor, and update firewall core, as well as back up configuration.
• OperateRiverbedSteelhead WAN Accelerators, troubleshooting peering issues and verifying traffic optimization.
• Knowledge of F5 Best Practices, used iHealth, SSL offloading, Route Domains, GTM Sync Group.
• Worked on private DMVPN WAN to provide fast local SAN based backups/restores including remote offsite backups to our local Datacenter.
• Providing Technical Support and solutions for Network Problems
• Configuring and implementing F5 BIG-IP, LTM, GTM load balancers to maintain global and local traffic
• Monitoring Network infrastructure using SNMP tools HP NNM, Solar-winds and Opnet.
• 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 quest network.
• 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 updating IOS on devices.
• Experience with using F5 Load balancer in providing worldwide data and file sharing, continuous internet connectivity, optimized web performance.
• Configuring and implementing F5 BIG-IP Load balancer.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.
• Installed, configured and set security policies on cisco and checkpoint firewalls, VPN
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Worked on GRE tunnels for creating Guest and BYOD networks.
• Hands on experience installing and configuring Cisco ISE 1.4.
• Worked on PKI infrastructure and created timed CA certificates
• Experience setting up 802.1x wired and wireless networks in NAM profile editor and Anyconnectvpn’s
• Worked extensively in configuring, Monitoring and Troubleshooting Check Point R77.XX security appliance, Failover DMZ zoning & configuring VLANs / Routing / NATing with the firewalls as per the design.
• Provided technical support for full setup, debugged the problems of OSPF, switching and HSRP.
• Experience with configuring Virtual Server and Configuring Load balancing methods in F5 12.0 LTM.
• Network security involves web filtering on internet sites (User's restriction) using checkpoint Firewalls.
• Experience handling tickets with less or no supervision in troubleshooting checkpoint 77.30.

Confidential, Boston, MA

Sr Network Engineer

Responsibilities:

• Maintained a lab environment that consists of various Routers and L2/L3 switches.
• Worked on Cisco 2500, 2600, 2800 series routers and 1900, 2900, 3560, 3750 series switches.
• Configuring STP (PVST, RSTP) for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
• Configured routing protocol EIGRP on 2600, 2800 routers and static routing on 3750 switches.
• Worked on RA and L2L VPNs with IPsec and SSL Anyconnect and webvpn methods.
• Implementing QoS on PE and CE as per BTs templates and upgrading bandwidth and CoS as per client requirement.
• Worked on stacking and upgrading switches like 3550 and 3750 series.
• Handling Complaints for Intranet and Extranet over MPLS backbone. Checking the connectivity between different locations.
• Performed Configuration on ASR 9K Pairs includes HSRP, Bundle Ethernet Config, Assigning DHCP profiles
• Extensive Knowledge on the implementation of Cisco ASA 5500 series and checkpoint R 75 firewalls
• Configuring objects such as Load Balancer pools for local traffic management on F5 Load Balancers
• Configuring VLANs/routing/NATing with the firewalls as per the network design.
• Successfully installed Palo Alto PA 3060 Firewall to protect data center and provides L3 support for routers/switches/firewall.
• Extensive Knowledge on the implementation of Cisco ASA 5500 series and checkpoint R 75 firewalls
• Traced OSI layers and extracting the packet information at every layer. Worked on Wireshark, TCP/IP, and OSI Layers for packet tracking and Drafted & finalized progress
• Reports, final report. Technologies: Java, JSP, Servlets, Wireshark, TCP/IP, JQuery
• Deploying and decommission of VLANs on core ASR 9K, Nexus 9K, 7K, 5K and its downstream devices and also configure 2k, 3k,7k series Routers
• Design and Implementation of F5 GTM based on topology load balancing methods.
• Implementing security Solutions using Palo alto PA 5000, Check PointFirewallsR75, R77.20 Gaia and Provider-1/MDM.
• Implemented F5 ASM for Internet Facing LTM virtual servers providing applications layer 7 firewall protection, configuring and managing F5 Web Accelerator module and Application Security Module (ASM) technology or with similar/competing ADC and Security product solutions
• Installed high availability Big IP F5 LTM and GTM load balancers to provide uninterrupted service to customers.
• Worked on configuring and troubleshooting Nodes, Pools, Profiles, Virtual Servers, SSL Certificates, iRules, and SNATs on the F5 Big IPs using the Web GUI and CLI.
• Configuring and resolving various OSPF issues in an OSPF multi area environment.
• Implemented, configured BGP WAN routing, converting OSPF routes to BGP (OSPF in local routing).
• Installed and maintained Cisco and F5 Load Balancer and documentation
• Configured VTP on Core and several access layer switches, implemented Layer2 Ether channel between various switches and hosts.
• Worked on updating the SSL certificates to the application URL using the F5 LTM and F5 GTM.
• Installation, configuration and maintenance of Palo Alto Firewalls, Cisco ASA firewalls.
• Deployed Palo Alto for web filtering and application control.
• Configured and monitored Firewall logging, DMZ’s and related security policies.
• Worked on creating policies in the network application through app-id’s and content-id for the internal hosts.
• Designed application mapping and application delivery using F5 BIG IP LTM.
• Used solarwinds for monitoring and troubleshooting network devices in different time zones.
• Assisted in troubleshooting LAN connectivity and hardware issues in the network.
• Good knowledge on Linktropy WAN simulator to analyze the consumed bandwidth between different sites.
• Worked on remedy ticketing tool for handling different priority level tickets.

Environment: Router series (2800, 3800, 7200) and switch series (3750, 3550, 4509E, 6509E), SRX 550firewall, Palo Alto (PA-4000/PA-2000), Juniper EX, Routing Protocols (EIGRP, OSPF, BGP), Switching protocols (VTP, STP), Site to Site VPN, Remote Access VPN.

Confidential

Network Engineer

Responsibilities:

• Hand on experience of the configuration and implementation of various Cisco Routers & L2/L3 Switches.
• Configured Nexus 7010 switches and 5020, 2248 as access layer switches.
• Configured VPCs on Nexus 7010 switches of SUP 1 with multiple VDCs and VPCs, CFS
• Extensive experience in configuring and implementing OSPF and BGP
• Supported core network consisting of Cisco 7200 series routers running multi area OSPF
• Configuration of EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution, installed and maintained Cisco 3600, 2600 and 7200 backbone routes with HSRP
• Implemented stub/Totally stub areas. Implemented various OSPF features like route-summarization and SPF throttling.
• Experience with CSM, F5 (LTM) Load balancers to provide efficient switching and routing for local and global traffic
• Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair
• Perform setup of test scenarios, both hardware and software components, and perform troubleshooting.
• Experience working in Datacenter environment, configuration changes as per the needs of company.
• Configuring, implementing and troubleshooting VLAN’s, VTP, STP, Trunking, Ether channels.
• 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.
• Experience in configuring, upgrading and verifying the NX-OS operation system.
• Experience working with Nexus 7010, 5020, 2148, 2248 switches.
• Experience configuring Virtual Device Context in Nexus 7k series switch.
• Designed, configured, implemented site-site VPN on Cisco ASA 5500 firewall.
• Implemented, configured redundancy protocols HSRP, VRRP, GLBP for Default Gateway Redundancy.
• Dealt with different models of ASA like 5505, 5510, 5515 and SRX like 220, 1400.
• Demonstrated the migration benefits from HSRP to GLBP. Successfully upgraded the existing network to GLBP for high availability and load balancing between distribution layer switches. Design, configure, and implement SSO for sup720 redundancy within the core
• Extensive knowledge in different networking protocols DHCP, DNS, FTP, VOIP (SIP, H.323, MGCP).
• 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
• Providing daily network support for national wide area network consisting of MPLS VPN.
• Upgrading WAN link using PPP Multilink and by implementing Cisco WAAS
• Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
• Load balance the HTTP traffic by installing the Cisco CSS 11000
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices.

Environment: Catalyst Switches - 3750, 4500, 4508, 6500, Cisco Routers - 2600, 3600, 7613, Switches - 3750, 4500 and 6500 series and Cisco Firewall ASA 5585-X, Solar Winds, Checkpoint Firewall, Routing Protocols (EIGRP, OSPF, RIP), Switching protocols (VTP, STP, GLBP, HSRP)