SUMMARY

• Over 6 years of Experience and having multiple Certifications Cisco (CCNA&CCNP), Juniper (JNCIA) and Experience with in designing, architecting, deploying and troubleshooting Network & Security infrastructure on routers, switches (L2/L3) & firewalls of various vendor equipment.
• Extensive work experience with Cisco Routers, Cisco Switches, Load Balancers and Firewalls.
• Experience in layer - 3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2Kseries Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches
• Expertise in installing, configuring, and troubleshooting of Cisco Routers (3800, 3600, 2800, 2600, 1800, 1700, 800)
• Design and configuring of OSPF, BGP on Juniper Routers (MX960, MX480) and SRX Firewalls (SRX240, SRX550)
• Expertise in configuration of routing protocols and deployment of OSPF, EIGRP, BGP and policy routing over Cisco routers.
• Knowledge on Palo alto Firewall
• Experience with design and deployment of MPLS Layer 3 VPN, MPLS Traffic Engineering, and MPLSQOS
• Experience in adding Rules and Monitoring Checkpoint Firewall traffic through Smart Dashboard and Smart View Tracker applications.
• Configured Client-to-Site VPN using SSL Client on Cisco ASA 5520 ver8.2
• Configured ASA 5520 Firewall to support Cisco VPN Client on Windows 7/XP/Vista.
• Installation, advanced configuration and troubleshooting of Cisco and F5's load balancing devices.
• Experience with designing, deploying and troubleshooting LAN, WAN, Frame-Relay, Ether-channel, IP Routing Protocols - (RIPV2, OSPF, EIGRP & BGP), ACL's, NAT, VLAN, STP, VTP
• Implemented redundancy with HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP) etc.
• Strong hands on experience on PIX Firewalls, ASA (5540/5550) Firewalls. Implemented Security Policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS)
• Experience working with Cisco IOS-XR on the ASR9000 devices for MPLS deployments
• Knowledge in implementing and configuring F5 Big-IP LTM-6400 load balancers.
• Efficient designing of IP Addressing Scenario using VLSM and Sub netting.
• Configured Security policies including NAT, PAT, VPN's and Access Control Lists.
• Extensive experience using Microsoft suite like Word, Visio, Excel, PowerPoint
• Excellent technical and project management skills combined with strong communication skills.

TECHNICAL SKILLS

Cisco Platforms: Nexus 7K, 5K, 2K & 1K

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)

NetworkTools: Solar Winds, SNMP, Cisco Works, Wire shark

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

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

PROFESSIONAL EXPERIENCE

Confidential - Atlanta, GA

Sr. Network Engineer

Responsibilities:

• Configuration and Administration of Cisco and Juniper Routers and Switches.
• Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks
• Router/ Microsoft VPN Server in order to access certain limited network resources from customer locations
• Maintained the in-house NOC System developed in Perl/PHP.
• Used Perl Scripts and Cisco PI APIS.
• Performed research and liaised with vendor on the cost effective but efficient router, switch and wireless radio for backhaul implementation and network upgrade.
• Worked to detect source of interference and performed site survey for new client using spectrum analyzer.
• Provided support on routers/switches design and configuration to meet network demand.
• Assisted with Bandwidth and Authentication Manager (BAM) configuration and implementation to improve network performance and security on Motorola Canopy 5.7GHz Access Point (AP) and Subscriber Modules (SM).
• Managing DNS, DHCP and IP addressing using Infoblox.
• Migrated 2.332 zones/domains and 1.735 subnets for DHCP to Infoblox.
• Developed and implemented Infoblox bloxtools techniques to augment service delivery.
• Installed and configured four PIX 525 and two ASA 5505 in customer locations. In addition to that, configured two PIX firewall for the Guest access
• Experience in migration of Frame-relay based branches to MPLS based technology using multilayer stackable switch like 6500 series and 2800 series router
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
• Configuring VLANs and implementing inter VLAN routing.
• Testing E911, voicemail, Media gateways.
• Upgrading and troubleshooting Cisco IOS to the Cisco Switches and routers.
• Configure and troubleshoot Juniper EX series switches and routers.
• Configuring Site to Site to VPN connectivity.
• Implementation of HSRP, IPsec, Static Route, IPSEC over GRE, Dynamic routing, DHCP, DNS, FTP.TFTP, RAS
• Involved in configuring Cisco Net flow for network performance and monitoring.
• Involved in designing and implementation of wireless IPT devices.
• Involved in Disaster recovery, like diverting the from one data center to different data center when disaster occurs.
• Involved in configuration of Cisco 6500 ACE switches
• Configuring IPSLA monitor to track the different IP route when disaster occurs.
• Involved in Implementing, planning and preparing disaster recovery.
• Having meetings with the application group and gathering requirements for disaster recovery.
• Involved in configuring Juniper SSG-140.
• Involved in configuring Cisco pix firewall.
• Involved in configuring checkpoint firewall.
• Involved in smart view tracker to check the firewall traffic.
• Troubleshooting hardware and network related problems.

Environment: PIX 525, ASA 5505, MPLS, ROUTERS 6500,2800, F5 LTM, GTM, VLANS, JUNIPER EX SERIES, DHCP, DNS, FTP, TFTP, RAS, CHECKPOINT FIREWALL, CISCO PIX FIREWALL, HSRP, IPSEC, JUNIPER SCG-140.

Confidential - Dallas, TX

Network Engineer

Responsibilities:

• Responsible for designing and implementation of customer's network and Security infrastructure.
• 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 MPLS Layer 3 VPN on ASR 9006 with IOS-XR
• Experience with converting Cisco 6500 IOS to Cisco Nexus NX-OS in the data center environment.
• Experience working with Nexus 7010, 5020, 2148, 2248 devices
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000
• Experience configuring VPC, VDC and ISSU Software upgrades on Cisco Nexus 7010
• Experience in Configuring, upgrading and verifying the NX-OS operation system
• Responsible for Cisco ASA firewall administration across our global networks
• Support customer with the configuration and maintenance of PIX and ASA firewall systems
• Configuring IPSEC VPN on SRX series firewalls
• Experience with configuring OTV between the data centers as a layer 2 extension.
• 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.
• Provided Load Balancing towards access layer from core layer using F5 Network Load Balancers.
• Upgraded load balancers from Radware to F5 BigIP v9 which improved functionality and scalability in the enterprise.
• Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs
• Other responsibilities included documentation and supporting other teams
• Experience working with BGP attributes such as Weight, Local-Preference, MED and AS-PATH to influence inbound and out bound traffic
• Involved in Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing and LAN security.
• Use and maintain routing protocols EIGRP, OSPF and BGP on the Routers in the network & also worked on BGP Route Reflectors, Confederations
• Deployed a large-scale HSRP solution to improve the uptime of collocation customers, in the event a core router became unreachable.
• Configured and designed LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches.
• Experience with convert PIX rules over to the Cisco ASA solution.
• Ability to plan independently and execute product testing with quality (White box, Black box testing, Scalability, performance, solution and system testing)
• Implemented HSRP on the Cisco 2948G Layer 3 switches and EIGRP, OSPF on 2 Cisco 2610routers, the Layer 3 switch, 3 Cisco 350XL Switches, Cisco 3524XL switches for load balancing and fail over.
• Configuring ASA Firewall and accept/reject rules for network traffic.
• Extensive knowledge and troubleshooting in data communication protocols and standards including TCP/IP, UDP, IEEE 802.3, Token Ring, Cable Modem, PPPOE, ADSL, Multilayer Switching, DoD standards.

Environment: ASR 9006, NEXUS 2000 FABRIC EXTENDER(FEX), VLANS, NATING, F5 BIGIP GTM/LTM, MED, EIGRP, OSPF, BGP, HSRP, HSRP, CISCO 4510, 4948, 4507, TCP/IP, UPD, IEEE 820.3, ADSL, DOD.

Confidential

Network Engineer

Responsibilities:

• Experience with Supporting both Network and Security infrastructure in data center environment and Campus environment, which involved with devices such as routers, switches, firewalls and wireless access points.
• 3rd level support lead for network security and firewall issues on Checkpoint NGX R71 and Cisco ASA devices
• Involved in conversion of PIX firewall to ASA firewall.
• Experience in adding firewall rules, Network address Translation and also in creating multiple security contexts (virtual firewalls).
• Involved in setting up IP sec VPN between ASA firewalls.
• Experience with implementing Cisco 6500 VSS on the User distribution switches.
• Upgraded IOS on the ASA 5520 firewalls
• Working with MPLS Designs from the PE to CE and also configuring VRF on PE routers
• Experience with designing and deployment of MPLS Traffic Engineering
• Configuring RIP, OSPF, EIGRP BGP, MPLS, QOS, ATM and Frame Relay.
• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks
• Working Knowledge of Cisco IOS, Cisco IOS-XR, Cisco CatOS, Cisco NX-OS, JUNOS
• Experience with configuring BGP in the data center and also using BGP as a WAN protocol and manipulating BGP attributes
• Design and deployment of MPLS QOS, MPLS Multicasting per company standards.
• Implemented site to site VPN in Juniper SRX as per customer.
• Implemented various EX, SRX & J series Juniper devices.
• Installed controller and light weight access point coordination with JTAC.
• Maintenance and trouble-shooting of LAN, WAN, IP Routing, Multilayer Switching.
• Worked on distinct phases of testing such as Sanity Testing, Functionality Testing, Smoke Testing, System Testing, Installation Testing, Compatibility Testing, Regression Testing, Stress Testing and UAT Testing.
• Writing Test cases & Test scripts for the application functionality
• Testing routers and modems, troubleshot issues related to broadband technologies for Residential and Business Customers.
• Performing onsite data center support including monitoring electrical power, switch alarms, network alerts and access logs.
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
• Configuring VLAN, spanning tree, VSTP, SNMP on EX series switches
• Dealt with monitoring tools like (Solar Winds, Cisco Works), network packet capture tools like Wire shark
• Maintained a Network with more than 600 Network devices, some 25,000 end hosts, and the other Network devices like DHCP, DNS servers, Firewall servers.
• Co-ordination with Hardware vendors, software vendors and service Providers.
• Assisted in backup, restoring and upgrading the Router and switch IOS.
• Attended Team meetings and provided comments on existing network and the recommendations to improve the current network Performance.
• Maintaining the health of 250+ wireless Access points in two locations.

Environment: DHCP, DNS, VSTP, SNMP, JUNIPER M AND MX SERIES ROUTERS, VLAN, SPANNING TREE, SOLAR WINDS, SANITY TESTING, FUNCTIONALITY TESTING, SMOKE TESTING, SYSTEM TESTING, INSTALLATION TESTING, COMPATIBILITY TESTING, JUNIPER EX, SRX, LAN, WAN, IP ROUTING, MULTILAYER SWITCHING.

Confidential

Network Engineer

Responsibilities:

• Provided port binding, port security and router redundancy through HSRP.
• Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.
• Provided testing for network connectivity before and after install/upgrade
• Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet and Gigabit Ethernet channel between switches.
• Configured Cisco Routers for OSPF, IGRP, RIPv2, EIGRP, Static and default route.
• Worked on HSRP for hop redundancy and load balancing.
• Configured the Cisco router as IP Firewall and for NATing Configured RSTP, MST and used VTP with 802.1q trunk encapsulation.
• Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations.
• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security
• Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation
• Routing protocols OSPF, RIP & BGP
• Implementation of name resolution using WINS & DNS in TCP/IP environment
• Configured FTP server for inside/outside users & vendors

Environment: OSPF, IGRP, RIPV2, EIGRP, RSTP, MST, 802.1Q TRUNK, RIP, BGP, TCP/IP. FTP SERVER.