SUMMARY

• 8 years of experience in routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.
• Experience in site - to-site and remote access VPN solutions.
• Experience working with Nexus 7K, 5K and 2K.
• Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
• Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525) and ASA 5500 (5510/5540) series.
• Worked extensively in configuring, monitoring and troubleshooting Cisco ASA (5505, 5510, 5512X) Firewall, NAT/ACL’s, Object-group, Any Connect, Cisco VPN Client
• Extensive knowledge with VLAN’s, Trunking, RSTP, SNMP, Ether Channels, HSRP, Port Security, ACL’s, QoS, Traffic Policing, Shaping, CME, IP Mobility, EIGRP, OSPF, NAT, PAT, Inspections, VPN’s, DHCP, Wireshark etc
• Responsible for creating IP addressing scheme, designing IP network, implementing, integrating and troubleshooting various local and wide area network infrastructures
• Moderate knowledge in configuring and troubleshooting Wireless Network: Net gear, Wireless Security Basics, IEEE 802.11 a/b/g, RF spectrum characteristics as well as WAN testing
• Experience in generating congestion analysis and traffic utilization reports for bandwidth analysis and network optimization purpose
• Hands-on experience on Up-gradation of Cisco IOS on different Cisco devices and modules
• 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 EXSwitches (EX2200, EX2500, EX3200, EX4200, EX4500, EX8200 series) Juniper Routers ( E,J,M and T-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 Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 SONET POS OCX / GigE circuits, Firewalls.
• 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, Token Ring, ATM, bridges, routers, hubs and switches.
• Well experienced in configuring HSRP, GLBP, ICMP, PPP, PAP, CHAP and SNMP.
• Experience in installing and configuring DNS, DHCP server.
• Excellent communication skills, enthusiastic, motivated and a team player.
• A highly organized individual who adopts a systematic approach to problem solving, effectively analyzes results and implements solutions.
• Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professional.
• Experience with Change management process and Project documentation tools like Excel and VISIO.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.

TECHNICAL SKILLS

Cisco Platforms: Nexus 7K, 5K, 2K & 1K, Cisco routers (7600,7200, 3900, 3600, 2800, 2600, 2500, 1800 series) & Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900 series)

Juniper Platforms: SRX, MX, EX Series Routers and Switches

Networking Concepts: Access-lists, Routing, Switching, Subnetting, Designing, CSU/DSU, IPSec, VLAN, VPN, WEP, WAP, MPLS, VoIP, Bluetooth, Wi-Fi

Firewall: PIX Firewall (506/515/525/535 ), ASA Firewall (5505/5510),Palo Alto, Checkpoint

Network Tools: Solar Winds, SNMP, Cisco Works, Wireshark

Load Balancers: A10 Networks(AX2500),Cisco CSM, F5 Networks (Big-IP)

WAN technologies: Frame Relay, ISDN, ATM, MPLS, leased lines & exposure to PPP, DS1,DS3,OC3, T1 /T3 & SONET

LAN technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q

Security Protocols: IKE, IPSEC, SSL-VPN

Networking Protocols: RIP, OSPF, EIGRP, BGP, STP, RSTP, VLANs, VTP, PAGP, LACP, MPLS, HSRP, VRRP, GLBP, TACACS+, Radius, AAA

Languages: Perl, C, C++, SQL, HTML/DHTML

Operating System: Windows 7/XP, MAC OS X, Windows Server 2008/2003, Linux, Unix

PROFESSIONAL EXPERIENCE:

Confidential, MD

Network Engineer

Responsibilities:

• Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, maintenance etc.).
• Providing technical support to LAN & WAN systems.
• Possess good experience in configuring and troubleshooting WAN technologies like MPLS, T1, T3, DS3 and ISDN.
• Implementing the necessary changes such as adding, moving and changing as per the requirements of business lines in a data center environment.
• Monitoring the network traffic with the help of Qradar and Cisco IPS event viewer.
• Remediation of firewall rules from checkpoint firewalls to Cisco ASA firewalls and their implementation.
• Involved in Switching Technology Administration including creating and managing VLANS’s, Port security, Trunking, STP, Inter Vlan routing, LAN security etc.
• Implemented with Cisco Layer 3 switches 3750, 4500, 6500 in multi VLAN environment with the use of inter-VLAN routing, HSRP, ISL trunk, ether channel.
• Used Cisco routers, switches, Access Points, Concentrators for implementation and management purpose.
• Configured IP, EIGRP and OSPF in routers. Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers.
• Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for datacenter access architecture.
• Experience configuring Virtual Device Context in Nexus 7010
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
• Provide Tier III Level Load Balancer expertise on F5 BigIP Local Traffic Managers (LTM). Designing F5 solutions/support for migration work of applications and websites from Cisco CSS Load Balancers to the F5 BigIP Load Balancers.
• Responsible for Checkpoint firewall management and operations across our global networks.
• Working with Checkpoint Support for resolving escalated issues.
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Once trouble ticket has been created keep customer informed of status of ticket and estimated time to repair.
• Coordinating with service providers for WAN link outages.
• Checking and configuring Cisco 7600 and 7200 routers at data center for remote sites’ issues.
• Working on Cisco 6509 and 4507 series switches for LAN requirements that include
• Upgraded and updated Cisco IOS from 12.3T to 12.4. Used to DHCP to automatically assign reusable IP addresses to DHCP clients.
• Used PIX Firewall and ACLs for authentication of EIGRP to ensure high security on the network.
• Configured Cisco 7200 routers which were also connected to Cisco PIX 535 security appliances providing perimeter based firewall security.
• Used load balancers ACE and load balancing technique with multiple components for efficient performance and to increase reliability through redundancy.
• Involved in migration from Frame-Relay/ATM network to MPLS-based VPN for customer’s WAN infrastructure.
• Used Network monitoring tools to ensure network connectivity and Protocol analysis tools to assess and pinpoint networking issues causing service disruption.
• Deployed Site to Site and Client to Site VPNs utilizing Checkpoint Firewall-1/VPN-1
• Migrated previous corporate Checkpoint 4.0 Firewall-1/VPN-1 on Windows NT
• Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA 5500 Firewalls.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
• Network redesign and configuration WAN and LAN infrastructure utilizing redundant Cisco ASA firewalls, Cisco switches and routers over MPLS and VPN connectivity.

Environment: BMC Remedy, Cisco ASA 5540, BIG-IP LTM 8900, QOS, Policy-maps, Class-maps, Nexus, Vlans, STP, RSTP, PVSTP, VTP, HSRP, Ether Channel, BGP,OSPF,EIGRP, MPLS,ATM,PPP,HDLC. SNMP, TACACS+, DNS, DHCP, Checkpoint, F5 Load balancer, Nexus 7K,5K,2K

Confidential, New York city, NY

Network Engineer

Responsibilities:

• Installed various branch Cisco devices including switches and routers.
• Used Cisco routers, switches, Access Points, Concentrators for implementation and management purpose.
• Experience in the implementation, analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as Port Security, VLAN, Trunks, VTP Ether channel, STP, RSTP.
• Deployment of datacenter LAN using Nexus 7k, 5k, 2k switches.
• 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.
• Installing and configuring new Cisco equipment including Cisco catalyst switches 6500, Nexus 7010, Nexus 5548 and Nexus 2k as per the requirement of the company.
• Worked primarily as a part of the security team and daily tasks included firewall rule analysis, rule modification and administration.
• Configuring & managing around 500+ Network & Security Devices that includes Juniper (NetScreen) Firewalls, F5 BigIP Load balancers and 3DNS, Blue Coat Proxies and Plug Proxies.
• Adding and modifying the servers and infrastructure to the existing DMZ environments based on the requirements of various application platforms.
• Working closely with Data center management to analyze the data center sites for cabling requirements of various network equipments.
• Experience with F5 load balancers andCiscoload balancers (CSM, ACE and GSS).
• Implement the firewall rules using Netscreen manager (NSM).
• Implementation of UTM and IDP in SRX, SSG and ISG Firewall.
• Providing Level 3 support to customers, resolving issues by attending to conference calls.
• Providing Level 3 Engineering and Support to other internal network engineers and contractors.
• Designing and installing new branch network systems. Resolving network issues, running test scripts and preparing network documentation.
• Translating Cisco IOS Route maps to Cisco IOS XR Routing policies.
• Working with Cisco Nexus 2148 Fabric Extender and Nexus 5500 series to provide a Flexible Access Solution for datacenter access architecture.
• Working with BGP, OSPF protocols in MPLS Cloud.
• Configuration, migrations, upgrades of F5 BigIP LTM 3400, 6400, 8900 running v4.x to 10.2.x, Active/Standby.
• 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.
• Configuring, Monitoring and Troubleshooting Cisco’s ASA 5500 security appliance, Failover DMZ zoning and configuring VLANs/routing/NATing with the firewalls as per the design.
• Converting Cisco IOS to Cisco IOS XR configurations.
• Working on HP open view map for Network Management System and Ticketing.
• Working on a broad range of topics such as routing and switching, dedicated voice access, planning and implementation, large-scale high-visibility outages, change management coordination, proactive monitoring and maintenance, disaster recovery exercise and core network repairs.
• Involved in L2/L3 Switching technology administration including creating and maintaining VLANs, Port security, Trunking, STP, Inter Vlan Routing, LAN security.
• Working on security levels with RADIUS, TACACS+.
• Transfer web services from Cisco CSS platform to F5 Big IP LTM platform.
• 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.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/12000 /7200/3845/3600/2800 routers, Cisco ASA5510, Checkpoint,Cisco Nexus7K/5K, 2248/3560/5020/6509 , VPN,RIP,EIGRP,BGP,OSPF

Confidential, Atlanta, GA

Network Engineer

Responsibilities:

• 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 )
• Upgrade and troubleshoot Cisco IOS on Cisco Switches and routers.
• Install IOS flash, configurations, and trouble shoot Cisco routers and layer 2 switches
• Install Cisco and Alcatel Routers, Switches, and Servers in hardware racks using various Familiar with Wire Shark, Log Logic, and various Terminal applications.
• Ability to interpret and resolve complex route table problems.
• Troubleshoot network connections both physically and from command line
• Implementation traffic filters on Cisco routes using Standard, extended Access list.
• Proficient in the creation, configuring, and troubleshooting of VLAN´s and switch trunks on Cisco
• Provide leadership to the team pertaining to technical & management solutions apart from tracking issues on day to day basis and conducting weekly team meetings.
• Strong Knowledge in working with F5 Load Balancers and their Implementation in various Networks.
• 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.
• 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.
• 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.
• 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.
• Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.
• 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.
• Involved in Configuration of Access lists (ACL) on ASA firewall for the proper network routing for the B2B network connectivity.
• 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.
• Excellent Troubleshooting Skills and Customer Centric approach.
• Experience with design and implementation of Data center migration.
• Implemented Positive Enforcement Model with the help of Palo Alto Networks.
• Innovated with support of Palo Alto for remote and mobile users and for analyzing files for malware in a separate (cloud-based) process that does not impact stream processing
• Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Responsible for Checkpoint and Cisco ASA firewall administration across global networks.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/12000 /7200/3845/3600/2800 routers, Cisco ASA5510, Checkpoint, Palo Alto, Cisco Nexus7K/5K, 2248/3560/5020/6509 , VPN

Confidential

Network Engineer

Responsibilities:

• Performed IOS upgrades on Catalyst 1900, 2900, 3500 series switches and 2500, 2600, 3600 series routers.
• Responsible for maintenance and utilization of VLANs, Spanning-tree, HSRP, VTP of the switched multi-layer backbone with catalyst switches.
• Implemented and configured routing protocols like EIGRP, OSPF and BGP.
• Connected switches using trunk links and Ether Channel
• Used Network Monitoring tool to manage, monitor and troubleshoot the network.
• Configured Cisco IOS Feature Set, NAT and Simple Network Management Protocol (SNMP) for Network Security implementation.
• Implemented redundant Load balancing technique with Internet applications for switches and routers.
• Support Network Technicians as they require training & support for problem resolution including performing diagnostics, & configuring network devices
• 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.

Confidential

Network Associate

Responsibilities:

• 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.
• Documenting and Log analyzing the Cisco ASA 5500 series firewall
• 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.
• 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.
• Configuring routers and send it to Technical Consultants for new site activations and gives online support at the time of activation.