SUMMARY

• Network engineering professional with over seven years of experience in network design, implementation, troubleshooting and management of large - scale enterprise networks.
• Extensive work experience with Cisco Routers, Cisco Switches, Load Balancers and Firewalls.
• Experience working with 2600, 2900, 3600, 3800,3900, 7200, 7600 series Cisco Routers
• Proficient in configuring Cisco Catalyst 2900,2960, 3560, 3750, 4500, 4900, 6500 series and Nexus 2248, 5548 and 7010 switches.
• Implemented Quality of Service thoughout the network infrastructure and was responsible for policy routing.
• In-depth knowledge of data center Infrastructure technology and components for installation.
• Expert in configuration of Virtual Local Area Networks (VLANS) using Cisco routers and multi layer Switches and supporting STP, RSTP, PVST, RPVST along with trouble shooting of inter VLAN routing and VLAN trunking using 802.1q.
• Installation, advanced configuration and troubleshooting of Cisco and F5’s load balancing devices.
• Experienced on network/ troubleshooting cisco, juniper based equipments.
• Expertise in configuration of routing protocols and deployment of OSPF, EIGRP, BGP and policy routing over Cisco routers.
• Implemented redundancy with HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP) etc.
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list.
• Managed inventory of all network hardware. Management and monitoring by use of SSH, Syslog, SNMP, NTP.
• Network security skills include Telnet, SDM, NAT/PAT, ACLs, AAA, ASA firewall.
• Knowledge in implementing and configuring F5 Big-IP LTM-6400 load balancers.
• Worked on T1/E1/T3 and OC 192 technologies and different LAN & WAN technologies
• Performed professional level documentation using Visio diagrams.

TECHNICAL SKILLS

Cisco Routers: Cisco L2 & L3 Switches ( ASR1002, ASR1004,ASR1006, ASR1700,ASR9001,1700, 1800, 2500, 2600, 3600, 3800, 7200 and 7600) (2900, 3560, 3750, 4500, 4900, 6500, Nexus 2K/5K/7K)

LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet, SMTP, VLAN, Inter-VLAN Routing, VTP, STP, RSTP, Light weight access point, WLC

WAN Technologies: Frame Relay, PPP, HDLC, T1/T3, DS3, OC192

Firewalls: Cisco ASA, Pix

OS products/Services: DNS, DHCP, Windows (2000/2003, XP), UNIX, LINUX.

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

Facilities: DS0, DS1, DS3, OCX, T1/T3

PROFESSIONAL EXPERIENCE

Network Security Engineer

Confidential, Orlando, FL

Responsibilities:

• Strong experience in Networking, including hands-on experience in providing network support, installation and analysis for a broad range of LAN/WAN communication systems.
• Involved in the Team of Data Center Operations to perform duties like administration and monitoring of Cisco Routers and Switches according to the organization requirements.
• Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, STP, Inter-VLAN routing, and LAN security.
• Configuring and implementing Remote Access Solution: IPsec VPN, AnyconnectVPN, SSL VPN.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance & configuring VLANs/routing/NATing with the firewalls as per the design.
• Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5520/5540) Series.
• Implemented Quality of Service throughout the network infrastructure, was responsible for policy routing and provided SDN architecture.
• Worked on Cisco Routers Operating IOS and IOS-XR (ASR9K/7K/2K/3K).
• Involved in Network Designing, Routing, DNS, IP Subnetting, TCP/IP protocol.
• Worked with Cisco Catalyst 6500, 4500, 3750, 3560, 2960 switches and Cisco 2800, 3600, 3800, 7200, 7600 and ASR 1000, 2000.3000,7000,9000 series Routers.
• Designed and implemented a set of tools to provide fully automated configuration of F5 Networks BIG-IP load balancing systems.
• Managed large-scale area of the network with hundreds of Cisco, Juniper, Logical Solutions devices.
• Experienced in Configuring/Troubleshooting Routing Protocols EIGRP/OSPF/BGP/RIP.
• Installed and Configured A10 (AX2500) load balancer as SLB for various application in backend.
• Installed and deployed the Controller based Aruba Wireless Access Point.
• Troubleshoot layer1, layer2 and layer3 technologies for customer escalations.
• IP Allocation & Maintenance for users and other needs throughout company.

Environment: Cisco ASA 5540,5520,Nexus 7010,5548,2248,VPC,VDC,AX2500 load balancer, STP, VLANS, VTP, Etherchannel, Portchannel, Access Points, Switch Stacking.

LAN/WAN Engineer

Confidential, Philadelphia, PA

Responsibilities:

• Responsible for reviewing current and planned network designs, particularly F5 load balancer implementations. Identified opportunities for implementation of network best practices.
• Worked and engaged with Service Providers like Confidential & Confidential, Confidential to test and turn up the CER routers throughout different sites in California.
• Implemented Quality of Service (QOS), Policy Maps, Class-maps, Policy Routing in the network infrastructure throughout all the different sites.
• Played responsible role for implementing, engineering, & level 2 support of existing network technologies / services & integration of new network technologies / services
• Worked with Cisco Layer 3 switches 3560, 3750, 4500, 6500; Cisco Nexus 5000 and 7000 in multi VLAN environment with the use of inter-VLAN routing, 802.1Q trunk, ether channel.
• Key contributions include troubleshooting of complex LAN /WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
• In-depth knowledge and hands-on experience in ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, T1 / T1 / FT3 / T3, OCX / GigE circuits.
• Worked on various point to point SONET links such as OC3, OC12, and STM-1.
• Provisioned circuits from DS0 to OC192 according to ticket requirements.
• Prepared reports on data center efficiency to improve function and to reduce costs.
• Maintained daily logs identifying activities, task, alerts and problems in the data center.
• Performed route filtering and route manipulation by applying distribute-lists, route-maps & offset lists respectively.
• Tested various BGP attributes like local preference, MED, Weight and replicated customer issues in the testing environment lab.
• Designed WAN structure to prevent single point of failure in case of link failure.
• Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.
• Configured ACLs in Cisco 5540 ASA firewall for Internet Access requests for servers, Protocol Handling, Object Grouping and NAT.
• Configured ASA 5540 to ensure high-end security on the network with ACLs and Firewall.
• Installed redundant BigIP F5 LTM and GTM load balancers to provide uninterrupted service to customers.
• Configured and deployed BIG-IP LTM 8900 for providing application redundancy and load balancing.
• Configured & maintained IPSEC Site-to-Site VPN.
• Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on different location of office on the switched network
• Provided support for troubleshooting and resolving Customer and user reported issues.
• Worked with Network Engineer’s in the installation and configuration of firewalls.

Environment: Cisco ASA 5540,BIG-IP LTM 8900, QOS,Policy-maps, Class-maps, Nexus, Vlans, STP, RSTP, PVSTP, VTP, HSRP, EtherChannel, BGP,OSPF,EIGRP, MPLS,ATM,PPP,HDLC. SNMP, DNS, DHCP, Basics of WLA

WAN Engineer

Confidential, Milwaukee, WI

Responsibilities:

• Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, RPVST+, Inter-VLAN routing, and LAN security
• Worked with Cisco Catalyst 6500, 4500, 4900 switches and Cisco 2800, 3600, 3800, 7200, 7600 series and ASR 5k/9k series Routers.
• Responsible for entire LAN and WAN maintenance and troubleshooting of the company network.
• Involved in the Team of Data Center Operations to perform duties like administration and deployment of Cisco Routers and Switches according to the organization requirements.
• Involved in Network Designing, Routing, DNS, IP Subnetting, TCP/IP protocol.
• Worked with Routing Protocols of EIGRP and BGP.
• Designed and implemented of the Netflix content delivery network (CDN) services for the distribution of streaming video content on demand.
• Designed circuits (Ethernet, ISP’s, T1’s, T3’s, over MPLS) and rings according to customer orders from DS1’s-OC192 and ring configurations.
• Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.
• Ensured compliance with the standard procedures as applicable to data center operations.
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices & POPs.
• Deployed Nexus 2000, 5000 and 7000 series switches.
• GRE tunneling & Site-to Site VPN configuration between other two sites in USA.
• Knowledge in implementing and configuring F5 Big-IP LTM-6400 load balancers.
• Worked with ASA Firewall configuration and Participated in Migration of PIX to ASA for hardware devices.
• Configured ASA 5520 to ensure high-end security on the network with ACLs and Firewall.
• Implemented redundancy for Routers, Switches and Firewalls.
• Manage Cisco Routers and troubleshoot layer1, layer2 and layer3 technologies for customer escalations
• IP Allocation& Maintenance for users and other needs throughout company.

Environment: Cisco ASA 5520, 5505,BIG-IP LTM 6400, Nexus, STP, RSTP, VTP, HSRP, Port-Channel, BGP, OSPF, EIGRP, PPP, HDLC. SNMP, DNS, DHCP.

Network Engineer

Confidential

Responsibilities:

• Responsible for implementing, engineering, & level 2 support of existing network technologies / services & integration of new network technologies / services
• Key contributions include troubleshooting of complex LAN /WAN infrastructure that includes routing protocols EIGRP
• Configured and managed Cisco access layer routers and switches.
• Support Network Technicians as they require training & support for problem resolution including performing diagnostics, & configuring network devices
• Participate in 24 x 7 incident & problem support.
• Ensured that data center stayed as immaculate as possible to prevent unnecessary damage to computer systems.
• Recommended Security considerations for the Intranet data center, integrating security, providing solution design details and configuration details
• Designed WAN structure to prevent single point of failure in case of link failure.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Planning and Implementation of Subnetting, VLSM to conserve IP addresses.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Troubleshooting issues and outages on Trunks and Router interfaces extensively.
• Technical assistance for LAN/WAN management and complex customer issues.
• Provided support for troubleshooting and resolving Customer reported issues.
• Worked with Network Engineer’s in the installation and configuration of firewalls.
• Performed route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance
• Creating & applying different types of access-lists for these effects to take place

Environment: Switching, Routing, Nexus, Access-lists, Subnetting, STP, RSTP, VTP, HSRP, Port-Channel, EIGRP, RIP, PPP, HDLC. SNMP, DNS, DHCP

Network Engineer

Confidential

Responsibilities:

• Configured RIP and EIGRP on 2600, 2900, 2800 and 3600 series Cisco routers
• Implemented VTP and trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches
• Performed on-call support for installation and troubleshooting of the configuration issues.
• Worked on installation, maintenance, and troubleshooting of LAN/WAN (ISDN, Frame relay, NAT, DHCP, TCP/IP)
• Configured Access List (Standard, Extended, and Named) to allow users all over the company to access different applications and blocking others
• Configured STP for loop prevention and VTP for Inter-VLAN Routing
• Performed maintenance and troubleshooting of connectivity problems using PING, and Trace route
• Provided Network and Security Architecture and Operations support services for Windows 2008 based web, application and database servers
• Provided Technical support for improvement, upgradation, and expansion of the existing network architecture
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment

Environment: TCP/IP, RIP,Access-lists, LAN/WAN,Trunking 802.1,ISL