SUMMARY:

• Network engineer with 8 years of experience in routing, switching, firewall technologies, system design, implementation and troubleshooting of network systems.
• Experience in implementation, support and troubleshooting of VLANs including operational knowledge of spanning tree protocol (STP), VLAN trunking, inter VLAN routing and ISL/802.1q.
• Experience in IP Routing and troubleshooting with RIP, BGP, OSPF, EIGRP and MPLS.
• Experience in the configuration of Aggregation protocols for Etherchannel i.e. PAgP and LACP.
• Experience in Network Security creating Access Lists(ACL), NAT
• Experience in the configuration and troubleshooting of PIX/ASA/NETSCREEN/SRX firewalls.
• Experience in backing up the configuration files using a TFTP server.
• Experience with handling DNS and DHCP servers.
• Knowledge of Windows XP, NT, 2003, Red Hat Linux, UNIX.
• Experience in configuring Cisco, Juniper and working in multi - vendor environment.
• Router platforms include: 2600, 2800,3700,3800,7200 Series
• Switch platforms include: 2900,3500,3750,4500,6500 Series
• ACE, CSM, CSS load balancing configurations
• Assist in the development and delivery of automation, monitoring and event correlation.
• SNMP, syslog and Cisco IOS.
• Planning and implementation of F5 Load Balancing

TECHNICAL SKILLS:

Routing: RIPv1/v2, OSPFv2, EIGRP, BGP4, Static Routing, Policy Based Routing

Switching: STP, RSTP, VTP, Trunking, VLANs, ISL/802.1Q encapsulation

Cisco: GSR 12416. Cisco Catalyst Switch 6500, 3500 series, Cisco Router 7200, 3700, 3600, 2800, 1600, 800 series. Cisco Nexus 7k,5k,2k Juniper M320, T640, MX960, EX4500, M10i. Juniper Netscreen 550, Juniper SRX650, F5 load balancer

Redundancy: HSRP, VRRP

IPSec VPN, MPLS: VPN

Network Management Tools: SNMP, SYSLOG, Solarwinds

Security: ACL, NAT, PAT, VPN, VLAN

MPLS, MPLS: VPN

Traffic Sniffer: Wireshark

Design Tools: MS Visio Network Professional

PROFESSIONAL EXPERIENCE:

Confidential, Lutherville, MD

Data Center Migration Engineer

Responsibilities:

• Main Goal of this project is to move infrastructure from one data center to a new data center.
• Configuring Infoblox DNS when servers moving from one Data center to other.
• Hands on experience in adding new subnets to DNS Grid.
• Hands on experience in configuring Cisco Nexus 7k, 5k and 2k, 6509.
• Deployed F5 solutions for various applications
• Based on security recommendations, implemented a solution which utilizes mutual certificate based trust between multiple layers of F5 utilizing the SSL offloading feature of the LTMs
• Hands on experience in configuring F5 GTM
• Implemented HA pair on devices with Juniper SRX, F5 and Cisco devices
• Building up the infrastructure in new data center such as F5, Juniper SRX and Cisco Switches.
• Configuring policies on Juniper SRX, Netscreen and Cisco ASA firewalls.
• Configured Static NATing on the External Firewall. .
• Hand on experience in configuring Juniper SRX650, Netscreen, and F5 from scratch.
• Setting up IPsec VPN from the new Data centers to external vendors.
• Troubleshooting the latency issues in the WAN network.
• Configuring the default configuration and sending the devices to production sites.
• Configuration and Implementation of Static, Default Routing and policy based routing.
• Configured BGP route-maps for controlling the traffic.
• Developed route redistribution mechanism between BGP and OSPF for large scale networks.
• Hands on experience in adding the light weight access point to Cisco access control server.
• Configured SNMP on all the network devices and added them to Solarwinds for monitoring.
• Extensive experience in dealing with highly technical issues and demonstrated ability to craft effective solutions to Customer problems.
• Configured Routing protocols such as OSPF, BGP static routing and policy based routing.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Etherchannel, STP and RSTP.
• Performed administration on Palo Alto NGFW, creating policies, users, VPN connections.
• Updated Palo Alto NGFW PAN-OS, Threat databases, AV datasets, and filters as required.
• Monitored threats and traffic on Palo Alto NGFW.
• Implemented Zone based firewalling and Security Rules on the Palo Alto Firewall.
• Configured HSRP and VLAN trunking 802.1Q, VLAN Routing on Nexus 7k, 5k and Catalyst 6500 switches.
• Switching related tasks included implementing VLANS, VTP, RSTP and Port security.
• Dealt with the configuration of Standard and Extended ACLs for Security.
• Continually monitor, assess and improve network security test with the help of Solarwinds.
• Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel. Design and implemented network infrastructure and configured the entire network Infrastructure devices
• Worked along with the team in ticketing issues; responsibilities included documentation and support other teams.

Confidential, San Antonio, TX

Network Engineer

Responsibilities:

• Professional experience with demonstrated success in network administration, data communication, wireless communication installations, design, maintains and troubleshooting Cisco routers and switches, Juniper Routers and Firewalls, F5 load balancer.
• Created and executed test plans for certification of Nexus 7010, Juniper MX960(Provider edge) using test sets and traffic generators(Ixia, Spirent)
• Excellent knowledge in IXIA traffic setup and test execution procedures.
• Hands-on LAN switching experience includes configuration of VLANs, trunking with ISL as well as 802.1q encapsulation protocols, configuring VTP server, client and transparent modes.
• Hands-on routing experience in a multiprotocol environment including routing protocols such as RIP, OSPF, EIGRP, and BGP on Cisco and Juniper routers.
• Implementation and troubleshooting experience on HSRP, VRRP for Default Gateway Redundancy.
• Implemented traffic filters using standard and extended access lists, distribute lists and route maps.
• Good knowledge in working with different vendors like Cisco, Juniper.
• Working knowledge of Cisco IP addressing, subnets, default gateways, static routes, DHCP, DNS, NAT, PAT, STP, AAA
• Strong knowledge in configuring MPLS VPN.
• Performed migration from Netscreen 500 to Checkpoint R-70 as a solution to converged, multifunction security and VPN services within a single platform
• Data Network deployment within the Data Center using Cisco 2600,2800,3600,7200 series Routers, Cisco 6500,3600,3500, Nexus 7k series switches.
• Discovered and documented the core and school networks using LanSurveyor and Visio.
• Tested various Network Monitoring System (NMS) to set up for the existing network.
• Implemented Solarwinds Orion NPM for the Core Network.
• Configured SNMP on Core and access layer devices.
• Configured ASA 5550, migrated configuration from PIX to ASA, and upgraded the ASA Software
• Planning, designing and implementing high availability solutions with Netscreen and Juniper SRX Firewalls (500 & 650 series)
• Installing and configuring FWSM in Cisco 6509 switches.
• Taking servers out of rotation from the load balancer by removing the services and content rules from the load balancer configuration.
• Planning, Designing & Implementing VPN connections using Cisco ASA and Cisco Routers using site-to-site VPN’s.
• Installing and Configuring F5 load balancer in HA mode.

Confidential, Dallas, TX

Network Engineer

Responsibilities:

• Major initiatives, develop roadmaps and standards, and oversee all aspects of the Visa corporate, mission critical, global international web hosting network covering over 60 countries including over 100 routers, 200 switches, 190 VLANs,16 pairs of Netscreen(5200,5400),ASA(5550) Firewalls Switching Modules (FWSM) and 4 Cisco Content Switching Modules using high-end Cisco Catalyst 6500 switches.
• Provide high level technical support, including identifying and resolving problems on Cisco supported products for e-Commerce infrastructure. This included external routing and internal/intranet routing for DMZ servers.
• Worked on configuring and troubleshooting Cisco ASA firewalls (5540) and juniper SRX firewalls.
• Hands on experience with F5 load balancer
• Work with the data center planning groups, assisting with network capacity and high availability requirements.
• Implement MPLS Layer 3 VPN configurations for vendor lab environments including MP-BGP integration across the VPNs as required.
• Migration to F5 Load balancer from CISCO load balancer was done post deployment for network optimization
• Review all changes to network configuration for technical accuracy and impact and provide Multi-Protocol Network problem resolutions.
• Routing related tasks included providing cisco router configuration and change management, providing technical support for Cisco Router configurations and installation for Customer. Configuring IP RIP, EIGRP, OSPF and BGP. Configuring routing policy for BGP. Configuring bridging technologies i.e. transparent, SR, SRT and DLSW
• Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches, Configuring IGMP and PIM.
• Configuring access servers to perform reverse telnet and configuring AAA
• Configuring custom and priority queuing for frame relay.
• Configuring static NAT, dynamic NAT, inside Global Address Overloading, TCP overload distribution, Overlapping Address Translation.
• Configured VLANs, STP, and VTP.
• Configured STP prioritization for selection of Root Bridge.
• Managing Port security, trunking, inter Vlan routing, and LAN security.
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF, BGP
• Hands on experience with TCL.
• Implementing Security policies using ACL and CISCO PIX firewalls.
• Implemented Etherchannel using PAGP and LACP.
• Configured and Implemented Site-to-Site VPNs between branch offices.
• Worked on Cisco routers CSR, 7600, 7200, 3800, 3600, 2600, ASR 9K Cisco switches 6500, 4500, 2900, Nexus 7k series 7009, 7010, 7018.
• Responsible for support of existing network technologies and the integration of new network technologies.
• Network Diagrams using MS Visio and documentation.
• Work with Data Network Design team as needed to ensure vendor transport requirements are adequately met in the published design specification document.

Confidential, Mooresville, NC

Network Engineer

Responsibilities:

• Provide high level technical support, including identifying and resolving problems on Cisco supported products for e-Commerce infrastructure. This included external routing and internal/intranet routing for DMZ servers.
• Work with the data center planning groups, assisting with network capacity and high availability requirements.
• Review all changes to network configuration for technical accuracy and impact and provide Multi-Protocol Network problem resolutions.
• Routing related tasks included providing Cisco router configuration and change management, providing technical support for Cisco Router configurations and installation for Customer. Configuring IP RIP, EIGRP, OSPF and BGP. Configuring routing policy for BGP. Configuring bridging technologies i.e. transparent, SR, SRT and DLSW
• Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches, Configuring IGMP and PIM.
• Configuring access servers to perform reverse telnet and configuring AAA
• Hands on experience on upgrading of JUNOS.
• Strong hands on experience in installing, troubleshooting, configuring of Cisco CRS, GSR, ASR9K, 7200, 3800, 3600, 3700, 2800, 2600, 2500 and 1800 series Routers, Juniper M&E series, Nexus 5000 Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches
• Configuring custom and priority queuing for frame relay.
• Configuring static NAT, dynamic NAT, inside Global Address Overloading, TCP overload distribution, Overlapping Address Translation.
• IP addressing conservation by planning and implementing VLSM.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Configuring and implementing Routed and Routing protocols including: RIPv2, OSPF, EIGRP, BGP and MPLS.
• Configuring PIX Firewall to allow site to site VPN access and configuring ACL to ensure better security.
• Monitoring and capturing the traffic with multiple network management tools like Ethereal, Wire shark.
• Performing regular backups on a TFTP server.
• Worked on routers 7600, 7200, 2600, 3800, M320, Nexus 7k series, switches 6500, 4500, 2900.
• Implementing Changes to Network Stack(Host side) to make sure that our Network Stack is IPv6 compliant
• Installation, Maintenance, Troubleshooting Local and Wide Areas Network (Frame relay, NAT, DHCP, TCP/IP, UDP)
• Troubleshooting routers and switches for network connectivity and performance issues.
• Ticketing system and keeping the customer up-to-date on problem resolution.
• Disaster Recovery Planning.
• Provide and update detailed documentation of network using MS Visio.

Confidential

Network Engineer

Responsibilities:

• Planning and Implementation of Sub netting, VLSM to conserve IP addresses.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Improved Spanning Tree Protocol efficiency by adding Port Fast
• Configuration and troubleshooting of OSPF, BGP.
• Configuration of Standard and Extended ACLs for Security.
• Configured, installed, & managed DHCP, DNS servers.
• Experience in configuration of Juniper M series and Juniper E series routers.
• Experience in using Checkpoint FW and configured site to site VPN access.
• Validate existing infrastructure and recommend new network designs.
• Provided technical support to development team.
• Technical assistance for LAN/WAN management.
• Planning, Maintaining and scheduling daily server backup and recovery procedures.
• Monitoring various servers status remotely through Network