SUMMARY

• CCNA CCNP CERTIFIED professional with over around 8 years of experience in network design, implementation, and support. Routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.
• Hands - on experience on Up-gradation of Cisco IOS on different Cisco devices and modules
• Provided services in many industries such as Consulting, Telecommunications and IT Infrastructure. Specializing in LAN, WAN, WLAN, and Data Center networks
• Extensive knowledge with VLAN’s, Trunking, RSTP, SNMP, Ether Channels, HSRP, Port Security, ACL’s, QoS, Traffic Policing, Shaping, EIGRP, OSPF, NAT, PAT, Inspections, VPN’s, DHCP, Wireshark etc
• Expertise in configuring and troubleshooting of Palo Alto, Juniper NetScreen& SRX Firewalls and their implementation Experience in site-to-site and remote access VPN solutions.
• Experience working with Nexus 7K, 5K and 2K.
• Has expertise to work in Cisco/Checkpoint/Juniper/F5/Riverbed Products.
• Has experience in maintaining huge datacenters with Heterogeneous environment.
• Implemented multiple Cisco Nexus based Data-Center environments, as well as 6500/4500/3750 series switches, 7200/3900/2900/1900 series router. Multiple data center migrations and transformation projects, with great expertise on Wireshark.
• Extensive experience in configuring and troubleshooting of protocols RIP v1/v2, EIGRP, OSPF, BGP and MPLS.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, ATM, bridges, routers, hubs and switches.
• Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
• Worked extensively on Palo Alto, Juniper Net screen and SRX Firewalls.
• Well experienced in configuring HSRP, GLBP, ICMP, PPP, PAP, OSPF, CHAP and SNMP.
• Experience in installing and configuring DNS, DHCP server
• Expertise in installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800)
• Expertise in installing, configuring and troubleshooting Juniper Routers ( J,M and MX-series)
• Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
• In-depth knowledge and hands-on experience in ISP Routing Policies, Network Architecture, IP Sub netting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 SONET POS OCX / GigE circuits, Firewalls.
• Extensive experience in designing and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Hands on experience with HP Tipping Point IPS.
• Implement/Maintain a Juniper Environment of 600 data collection units across USA.
• Extensive experience in dealing with Vendors for MPLS/DSL installations.
• Troubleshooting complex datacenter environment, resolved many critical Severity 1 incidents.
• Designed & Implemented DMZ solutions for data center environment, build checkpoint firewall policies for the same

TECHNICAL SKILLS

Operating System: Cisco Cat-OS, IOS, Juniper Netscreen, Checkpoint SPLAT, Checkpoint Gaia, HP Procurve switching, Windows flavors.

Hardware & Technologies: Cisco Router 1700, 1900, 2500, 2600, 3600, 7200, HP Procurve switches, ASR series routers. Cisco 6500 Series Switches (both 6513, 6509), Cisco 4500 Series, Cisco 4006, Cisco 3750 and Cisco 3550.

NETWORK TOOLS: Solar winds, HP NNMi 8xi (Network Node Manager), Netflow. Ethereal / Wireshark, Cisco Prime, Cisco Migration Assist.

PROFESSIONAL EXPERIENCE

Confidential, Rochester, MN

Network Engineer

Responsibilities:

• Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Palo Alto Firewalls, BlueCoat Proxy and Riverbed Steelhead appliances.
• Creating change documentation for code upgrades, configuration changes, migrations, decomm etc.
• Maintained complex LAN/WAN networks with several VLANS and provided support for routing protocols. OSPF, RIP, RIPv2, Static and default route.
• Switching related tasks included implementing VLANS and Ether-channels configuring 8021Q trunks.
• Migration of various external frame relay circuits to MPLS circuits.
• Configuring redundant and highly available system configuration using HSRP.Installed and configured PIX 520, 525, 535 series firewalls, configured standard and extended access -lists and policy- based filters.
• Implemented SNMP on Cisco routes to allow for network management. Completed the installation and Configuration of CSU/DSU, T1, T3 & OC3 circuits.
• Experience using Cisco Prime to monitor all devices including Wireless access points in the enterprise network.
• Using Cisco Prime to push software upgrades on access layer and distribution layer devices.
• Identifying and resolving wired and wireless alarms on Cisco Prime. Configuring Cisco AIR CAPWAP 3602 and 3702 wireless access points.
• Working with TAC to solve critical issues during migrations and coordinating with various teams to create RMA requests with regards to failed devices.
• Troubleshooting flapping BGP routes and OSPF routing issues.
• Health checks and Health monitoring on F5 and Cisco ACE load balancers.
• Performing and supporting In Service Software Upgrades (ISSU) on various Nexus devices.
• Implementing F5 application-centric load balancing solutions and monitoring them.
• Provide troubleshoot support on all managed devices and supported technologies.
• Serve as Subject Matter Expert on global operations projects and architect network security solutions for customers utilizing a variety of cutting edge technologies (firewall solutions, IDS, and IPS).
• Configured IP routing changes in NAT router and L3 Switch on customer need basis.
• Coordinating between different teams on the work related issues.
• Supporting critical changes on the medical equipment by having less to no downtime.
• Providing support for devices post-production to check if the devices are running with no issues.
• Managing order of new devices, rack and stack and decommissioningold devices.
• Performing multiple pre-configuration checks prior to migration, and multiple post configuration checks after migration; comparing and testing them.
• Testing the changes in lab environment prior to migrations.
• Configured ASAs to be used as a backup site to site VPN tunnel and Installed and configured wireless access points.
• Worked and maintained various network monitoring tools like Solarwinds, Wireshark, Cisco Prime etc.,
• Migrating VPNs on ISG from one datacenter to SRX of other Datacenter.
• Creating and reviewing Method of Procedures and Network implementation Plans for change windows.
• Worked on but not limited to cisco ASR 1K, 9k, Nexus, 2900, 3500, 3600, 3800, 4500, 6500, etc
• Providing network support on 24/7 basis.
• Migration of more than 11,000 devices

Confidential, PA

Network Consultant

Responsibilities:

• Successfully migrated the cisco legacy environment which consist of 6500, 4500 to Cisco Nexus 7k/5k/2k.
• Migrated old Nokia firewalls to standard HP hardware’s.
• Experience with Change management process and Project documentation tools like VISIO.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Security policy review and configuration in Palo Alto and JuniperSRX Firewall in US offices and Datacenter.
• Configuring & managing around 500+ Network &Security Devices that includes Cisco Routers & Switches, Nexus Switches, Juniper and Palo Alto Firewalls, F5 BigIP Load balancers, Blue Coat Proxies and Riverbed WAN Optimizers.
• Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Palo Alto Firewalls, BlueCoat Proxy and Riverbed Steelhead appliances.
• Maintaining Cisco Wide area application services (WAAS) to optimize WAN services and apply advanced compression for minimal WAN load.
• Configuring various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Improved network capabilities by evaluating, testing and implementing new SONET, IP/MPLS, Ethernet, and wireless technologies.
• Worked with ASR 9 K series and IOS XR.
• Well versed with Riverbed Central management Console Development and Riverbed Interceptor.
• Worked extensively in Configuring, Monitoring and Troubleshooting Juniper security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
• Converting CatOS to Cisco IOS Config Conversion on distribution layer switches
• Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.
• Experience troubleshooting Dynamic Multipoint VPN (DMVN) in a DMVPN hub & spoke deployment design.
• 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.
• Planning, Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Worked in HP blade centers for server storage and used HP One view for automated lifecycle management.
• Involved in Configuration of Access lists (ACL) on Juniper and Palo ALto firewall for the proper network routing for the B2Bnetwork connectivity.
• Switching technologies like VLAN, Inter-VLAN Routing, Ether-channel, VTP, MLS, HSRP, VRRP,
• UDLD, Spanning Tree Protocol 802.1d, 802.1s and 802.1w.
• Experience of IP/MPLS/Optical Transmission network for access transport & back haul network to
• Facilitate 2/3/4G Network.
• Understanding of mobile backhaul network on IP, Ethernet, ATM, PW & TDM.
• Good understanding on iRules.
• Have implemented Cisco ACE load balancers across the DC for various projects.
• Have completed two Business integrations with a very strict time line and gained some very good knowledge in understanding the road blocks in Network integration and feasible methods to fix it.
• Have maintained Riverbed for the North American offices.
• I maintain a data collection environment build of ISG1000 Clustered environment at the central site and SSG5/SSG20 at the remote site. This is an IPSEC tunnel environment of 600 sites and my primary responsibility is to maintain, install, troubleshoot. I configure and ship out Juniper SSG5/SSG20 for remote sites.
• Also SPOC for the Data center in Kansas City which collects the Radio data across NA, Canada and Mexico. This environment has a primary Frame-relay link backed up by the IPSEC tunnel built over 5510 and 5505 for remote sites. I configure and ship out devices for any new installation, moves and troubleshoot any day to day issues. I also maintain a F5, Linkproof and Checkpoint firewall in addition to 3500 switches and core 6513 switch for the switching environment.

Confidential, DE

Senior Network Engineer

Responsibilities:

• Part of Network security team who will be responsible for Installing/Maintaining the Firewalls.
• Day to day activities includes addressing new installations/troubleshooting existing issue across Checkpoint FW (splat/Nokia), Juniper ISG1000 etc.
• Will be responsible for assessing the vulnerability of port openings requested by business across the Globe.
• Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals.
• Converting CatOS to Cisco IOS Config Conversion on distribution layer switches
• Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.
• 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.
• Planning, Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Improved network capabilities by evaluating, testing and implementing new SONET, IP/MPLS, Ethernet, and wireless technologies.
• Monitoring and Inspecting throughput on HP Tipping point Intrusion Prevention System (IPS) S330 series through command line interface and Intrusion Detection Systems (IDS).
• Involved in Configuration of Access lists (ACL) on Juniper and Palo ALto firewall for the proper network routing for the B2Bnetwork connectivity.
• Switching technologies like VLAN, Inter-VLAN Routing
• Troubleshooting and management Cisco, Juniper, Huawei, Redback and Extreme 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.
• Migrated the user access switch environment which is of HP 5406 to Cisco 3750X, 3750G and 3750V2 environment to get gigabit speed.
• Maintained a backup environment build out of HP8212ZL and HP5406ZL with 10G uplinks to the core.
• Troubleshooting complex issues with wireshark at source and destination which can’t be resolved by the basic troubleshooting like ARP, firewall logs, switch logs and tcpdump.
• Responsible for logging/Resolving the severity calls logged in by Incident management

Confidential, TX

Senior Network Engineer

Responsibilities:

• Operations: I was handling all the day-to-day operations along with the existing team that would include the following support.
• Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Palo Alto Firewalls, Bluecoat Proxy and Riverbed Steelhead appliances
• Configuring various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals.
• Configured of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Actively participated Implementation and customization of customer network.
• Designing, Provisioning and Installation of the Customer Sites in Oracle IPSA for MPLS Backbone.
• Implementation and testing of ISDN BRI/PRI circuits.
• Single point of contact for Client networks. I will be the SPOC for maintaining their uptime from addressing new client installations/Client location moves/day to day issues etc.
• Maintained a 3 layer Cisco architecture network with HP Procurve switches in the access layer and 6500 series as core and distribution layers.
• Responsible for maintaining a client environment which is built out of Verizon MPLS with Juniper Cisco 2600/Juniper SSG5 devices.

Confidential

Senior Engineer

Responsibilities:

• Leader of the team who will be the second level Escalation support for Customer issues. And guiding the junior engineers for timely closure of down calls.
• Manage and Troubleshoot mission-critical Wide area networks Using VSAT links, Radio links, and Cisco Routers & Switch Issues.
• 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.
• Supporting Development team for the access to corporate network and outside world. Providing access to specific IP, Port filter and port access.
• Switching (Ethernet) related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
• Installation and maintenance of new network connections for the customers.
• Configuring all the required devices and equipment for remote vendors at various sites and plants.
• Installing new equipment to RADIUS and worked with MPLS-VPN and TACACS configurations.
• Installing and maintaining local as well as network printers.
• Validating existing infrastructure and suggesting new network designs.
• Working on creating new load balancing policies by employing BGP attributes including Local Preference, AS-Path, and Community, MED.
• Installing and maintaining Windows NT Workstations and Windows NT Server.
• Providing technical support to LAN & WAN systems.
• Monitoring Memory/CPU on various low end routers in a network.
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed administrative support for RIP, OSPF routing protocol.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Real time monitoring and network management using Cisco Works LMS.
• Provided technical support on hardware and software related issues to remote production sites.
• Configuring routers and send it to Technical Consultants for new site activations and gives online support at the time of activation.