SUMMARY

• Around 8 years of Experience wif in designing, deploying and troubleshooting Network & Security infrastructure on routers, switches L2 firewalls of various vendor equipment.
• Extensive work experience wif Cisco Routers, Cisco Switches, Load Balancers and Firewalls.
• Experience in layer - 3 Routing and layer-2 Switching. Dealt wif Nexus models like 7K, 5K, 2K series 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 wif 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.
• Worked on Load Balancer F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
• Performing onsite data center support including monitoring electrical power, switch alarms, network alerts and access logs.
• In-depth noledge and proven expert proficiency in designing, engineering, configuring, and maintaining of large enterprise firewalls such as Fortinet UTMs
• Support of firewall technologies includes Fortinet firewalls. Administration, troubleshooting and engineering background is required. Knowledge of other firewall technologies
• Experienced wif Juniper: EX-2200, EX-4200, EX-4500, MX-480, and M Series, SRX210, SRX240.
• 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. provide support for Auruba Wireless devise
• 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 wif 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 wif HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP) etc.
• Advanced hands-on experience wif networking equipment and technologies of other vendors (Juniper,Palo Alto, Fortinet, Cisco, Checkpoint, and/or other).
• 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 wif Cisco IOS-XR on the ASR9000 devices for MPLS deployments
• Advanced noledge of ticketing systems, monitoring and network management tools, and experience wif design/development/operational deployment of such systems
• Working and hands-on experience in VMware ESX / vSphere / NSX / Nicira
• Efficient designing of IP Addressing Scenario using VLSM and Sub netting.
• TEMPHas done the Configuration on BIG IP (F5) Load balancers and also monitored the Packet Flow in the load balancers.
• Hands on Experience working on IXIA devices, fore scout, Net scout.
• 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 wif strong communication skills.

TECHNICAL SKILLS

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, Austin,TX

Network Operations Engineer

Responsibilities:

• Responsible for entire LAN and WAN maintenance and troubleshooting of the company network. Involved in the Team of Data Center Level 2 support.
• Experience converting from Cisco 6500 WAN router to ASR 1002, 1004 wif Gigabit and OC3 modules for different campus designs.
• Created front-end RPC proxy servers and back-end mail servers
• Configured BGP for CE to PE route advertisement inside the lab environment
• Working wif vendors and service providers to resolve software/hardware problems on SMTP Backbone Infrastructure
• Working wif external organization to resolve problems wif sending receiving emails
• Working wif group IT Security, Internal Audit, Compliance and Governance teams
• Acquired excellent troubleshooting skills on 7613 Cisco Router, which include working on ticketing system and change management system to provide, troubleshoot support. Configuration and troubleshooting on HSRP, VRRP, GLBP, RSTP, MST related issues coming in network environment.
• Implementation and configuration of GLBP/HSRP on multilayer switches for first hop redundancy
• Implementation and Configuration ( Profiles, iRules) of F5 Big-IP LTM-6400 load balancers
• Managed F5 BigIP LTM appliances to load balance server traffic in critical serval access silos.
• Configuration of Virtual Servers, Nodes, and load balancing Pools
• Deployed BIG IP Enterprise manager to cluster all the F5 LTM, GTM, F5 ASM, APM, Net screen devices for easier management and common configurations.
• Design, and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls
• Implemented the Inter VDOM Routing through the Fortigate Firewalls and also the Router.
• Implemented Zone Based Firewalling and Security Rules on the Palo Alto Firewall.
• Implemented IPS, DLP and UTM features on the firewall for added security purposes.
• Deployed the Air-Magnet Survey Pro and Spectrum Analyzer to study the Heat Maps and Spectrums to perfectly position the Access points.
• Configured and Maintained Cisco Wireless Access Points (Cisco - 3500's, 3600's), using Cisco Wireless Controllers at the Data-Center Admin Department.
• Deployed AT&T and Verizon Carrier Vendors onto the Cloud Infrastructure
• Configuration and extension of VLAN from one network segment to their segment between Different vendor switches (Cisco, Juniper)
• Configuring IPSEC VPN on SRX series firewalls
• Implement, configure, and manage enterprise IDS/IPS, VPN, web proxy, and vulnerability scanners.
• Provide customer support in development, review, implementation, and audit of firewall rules.
• Conduct discovery and vulnerability scans monthly or as needed, and assist system administrators wif interpretation of scan results and remediation efforts.
• Configured and resolved various OSPF multi-area environments, used OSPF as IGP wif route filtering and route-redistribution, implemented Stubs/Totally stub areas, implemented features like route summarization and SPF throttling.
• Experience in installing, configuring and troubleshooting VMware View Composer and View Connection Manager to make Virtual Desktop Infrastructure efficient and to simplify desktop administrative management tasks
• Installation, Configuration and troubleshooting Cisco switches and Firewall on multi-mode context based environments
• Implemented wif Cisco Layer 3 switches 3750, 4500, 6500 in multi VLAN environment wif the use of inter-VLAN routing, HSRP, ISL trunk, ether channel.
• Configuring GLBP, VLAN Trunking 802.1Q, STP, Port security on Catalyst 6500 switches.
• Hand on experience the configuration and implementation of various Cisco Routers and L2 Switches.
• Deployment of Cisco 6500 switches in standalone and VSS modes wif SSO and NSF Troubleshoot Hardware,CiscoIOS, install and configure.
• Troubleshooting and installing of CRS, ISR, GSR, ASR9000 and Nexus devices.
• I was involved in migration projects, which involves replacing legacy devices to new Nexus devices and introduced VPCs in the new architecture.
• Installation & configuration of Cisco VPN concentrator 3060 for VPN tunnel wif Cisco VPN hardware & software client and PIX firewall
• Managed the F5 Big IP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs.

Environment: Cisco switches 3750, 4500, 6500, Cisco Router, 7613, ASR 9000, Cisco ASA 1002, 1004, 5000, 5500, F5 Big IP GTM, F5 Big IP LTM

Confidential, Chicago, IL

Sr. Network engineer

Responsibilities:

• Experience working wif MPLS Layer 3 VPN on ASR 9006 wif IOS-XR.
• Experience wif converting Cisco 6500 IOS to Cisco Nexus NX-OS in the data center environment.
• Experience working wif Nexus 7010, 5020, 2148, 2248 devices.
• Implemented the Policy Rules, DMZ and Multiple VDOM's for Multiple Clients of the State on the Fortigate Firewall.
• Experience wif configuring Nexus 2000 Fabric Extender (FEX), which acts as a remote line card (module) for the Nexus 5000.
• Implemented VMware ESX server to provide multiple virtual hardware platforms while keeping hardware costs and energy consumption down.
• Migrated obsolete hardware platforms to VMs via VMware Converter.
• Experience configuring VPC, VDC and ISSU Software upgrades on Cisco Nexus 7010.
• Experience in configuring, upgrading and verifying the NX-OS operation system.
• Experience in Juniper Net screen 5200 firewall and VPN Security Systems in large Enterprise and Data Centers.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing wif the firewalls as per the design.
• Working wif Juniper JUNOS operating system and working on M and MX series routers.
• Experience working wif BGP attributes such as Weight, Local-Preference, MED and AS-PATH to influence inbound and outbound traffic.
• Involved in Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter Vlan routing and LAN security.
• Upgraded load balancers from Radware to F5 Big IP 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.
• Use and maintain routing protocols EIGRP, OSPF and BGP on the Routers in the network & 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 wif Access layer switches such as Cisco 4510, 4948, 4507 switches.
• Closely coordinate wif and assist other organizations and teams as required, especially the Network Operations team, Internet and managed service providers, and Enterprise Computer Security Incident Management (ECSIM
• Experience wif convert PIX rules over to the Cisco ASA solution.
• Responsible for Cisco ASA firewall administration across our global networks.
• Support customer wif the configuration and maintenance of PIX and ASA firewall systems.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Configuring IPSEC VPN on SRX series firewalls.
• Ability to plan independently and execute producttestingwif quality (White box, Black box testing, Scalability, performance, solution and systemtesting).
• Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210
• Implemented HSRP on the Cisco 2948G Layer 3 switches and EIGRP, OSPF on 2 Cisco 2610 routers, 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 noledge 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: Cisco 3750/3550/3500/2960 switches and Cisco 3640/12000/ 7200/3845/3600/2800 routers, Checkpoint, OSPF, BGP, VLAN, HSRP, LAN, WAN, IPV4, AS Firewall, Checkpoint, Nexus 7K/5K/2K.

Confidential, LA, CA

Network Engineer

Responsibilities:

• Designed and implemented Cisco VoIP infrastructure for a large enterprise and multi-unit office environment. Met aggressive schedule to ensure a Multi-office reconfiguration project which was successfully delivered
• Supporting EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations.
• Configure, administer, and document firewall infrastructure, working wif Checkpoint/Nokia. Manage the firewall deployment, rules migrations, and firewall administration.
• Responsible for converting existing rule base onto new platforms
• Expertise in installing, configuring and troubleshooting Juniper Routers (J, M and MX-series).
• Responsible for Juniper and Cisco ASA firewall administration across global networks.
• Upgrade Cisco Routers, Switches and Firewall (PIX) IOS using TFTP
• Handled SRST, 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 wif Configuring port security for users connecting to the switches.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• 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 wif RADIUS, TACACS+.
• Completed service requests (i.e. - IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc.)
• Configured juniper ACX 1100, Cisco 3900 & 2900 routers and Cisco 4500 and 3750 catalyst switch using routing protocols such as OSPF and BGP also utilized juniper EX3200 Ethernet switch.
• Carry out full installation of Cisco routers, switches and various hubs. Successfully engineered a virtual private network (VPN) solution utilizing Windows 2003 Server. Held responsibilities to configure, install and administer network infrastructure and telecommunication systems.

Environment: Net Flow, TACACS, EIGRP,RIP,OSPF,BGP,VPN,MPLS,CSM,SUP720, Ether Channels, Cisco 7200/3845/3600/2800 routers, Fluke and Sniffer, Cisco 6509/ 3750/3550/3500/2950 switches, Checkpoint firewalls(SPLAT).

Confidential

Network Engineer

Responsibilities:

• Configured and managed IP routing using a combination of static routing and dynamic routing protocols like OSPF and EIGRP.
• Worked on PRTG Network monitoring tool to monitor and troubleshoot various issues in the network.
• Configured STP for switching loop prevention and VLANs for data and voice along wif configuring port security for users connecting to the switches.
• Worked on issues related to static and dynamic routing protocols like RIP, EIGRP (Variance and unequal cost load balancing) and OSPF.
• Configured VLANs wif IEEE 802.1q tagging, private VLANs, VTP on Cisco 4500 and 6500 series switches. Configured trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Worked on issues related to VLAN, VTP and HSRP failovers.
• Created network diagrams and proper documentation for the network architecture.

Environment: Cisco 6509/3750/3550/3500/2950 switches, Cisco 7200/3845/3600/2800 routers, Checkpoint firewalls (SPLAT), Cisco IOS CLI, Net Flow, TACACS, EIGRP, RIP, OSPF, CSM, Ether Channels.

Confidential

Network Engineer

Responsibilities:

• 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 wif implementing Cisco 6500 VSS on the User distribution switches.
• Upgraded IOS on the ASA 5520 firewalls
• Working wif MPLS Designs from the PE to CE and also configuring VRF on PE routers
• Writing Test cases & Test scripts for the application functionality
• Testing routers and modems, troubleshot issues related to broadband technologies for Residential and Business Customers.
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Dealt wif monitoring tools like (Solar Winds, Cisco Works), network packet capture tools like Wire shark
• Co-ordination wif 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.