SUMMARY:

• Network Engineer with over 8+ years of experience in Configuring, troubleshooting, testing, implementing, optimizing and maintaining enterprise data network and service provider system.
• Troubleshooting on all cisco IOS and catalyst switches on the network which included but was not limited to 3700, 7200 and 7500 series routers and catalyst 6513 and 6509 switches
• Maintained and configured Cisco enterprise devices such as Cisco 1900, 2811, 2900, 3900 Series ISR Routers, Cisco Switches 2960XR, 3750, 2960, 3560, 4500, 6500
• Configured networks using routing protocols such as EIGRP, OSPF and BGP.
• Maintained and managed networks running OSPF and BGP routing protocols.
• Troubleshooting and Experience in Nexus Devices 7k, 5k, and 2k
• Designed configured and implemented BGP, EIGRP, OSPF and RIP v2 in multi - protocol network environment
• Worked with vendors and Engineering team to test new hardware and procedures.
• Consulted with engineering team to resolve tickets and troubleshoot L3/L2 problems efficiently.
• Developed an optimum IP Addressing schemes, VLAN tables, and network documentation and diagrams.
• Responsible for implementing and testing secure access for outside business partners into the client network for secured data transport.
• Implemented Hot Standby Router Protocol (HSRP) by tuning parameters like preemption.
• Implemented various OSPF scenarios on networks consisting of 7600 routers.
• Knowledge of Cisco PIX/ASA firewalls, IPS/IDS, F5 load balancers, AAA (TACACS+ & RADIUS).
• Tuned BGP internal and external peers with manipulation of attributes such as weight, local p.
• Work closely with configuring, maintaining and troubleshooting WAN links - ATM, Frame- relay, MPLS VPN.
• Configured and Implemented Site-to-Site VPNs at branch sites.
• Implemented VLANs, DHCP server, DNS configuration, NAT/PAT in a small network environment.
• Involved in troubleshooting various layer 2 and layer 3 issues related to multicasting, VRF and BGP routing using Wireshark.
• Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
• Troubleshoot TCP/IP problems; troubleshoot connectivity issues in multi-protocol Ethernet, Environment

TECHNICAL SKILLS:

Routers Cisco: 7609, 2600, 3600, 4400, 7200 Series

Switches Cisco: 2900, 3500, 37 00, 5000, 6500 Catalyst Series Cisco 7000, 5000, 2000 Nexus Series

Firewalls: ASA 5500 Series, Pix 500 Series, Juniper

Load Balancer: F5-Big-Ip, LTM

Routing Protocols: BGP, OSPF, EIGRP, VRRP, HSRP, GLBP, RIP

Switching Protocols: STP, RSTP, PVSTP, VTP, ARP, VLAN

IP Services: DHCP, NAT, VLAN, DNS, FTP, TFTP, LAN/WAN

WAN Technologies: ATM, ISDN, PPP, MPLS, ATT, 802.11, A PLUS

Network Technologies: IPsec, GRE, NAT/PAT, ACL, IPv4, IPv6, VLAN.

PROFESSIONAL EXPERIENCE:

Confidential, Dallas, TX

Sr. Network Engineer

Responsibilities:

• Troubleshooting on all cisco IOS and catalyst switches on the network which included but it was notlimited to 3700, 7200 and 7500 series routers and catalyst 6513 and 6509 switches
• Troubleshooting Nexus Devices 7k, 5k, and 2k
• Maintained and configured Cisco enterprise devices such as Cisco 1900, 2811, 2900, 3900 Series ISR Routers, Cisco Switches 2960XR, 3750, 2960, 3560, 4500, 6500
• Performed route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance.
• In configuring and implementing of composite network models consists of Cisco7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Involved in network upgrades and implementation.
• Designed and implemented IT security policies and networked backup systems
• Configured networks using routing protocols such as EIGRP, OSPF and BGP.
• Maintained and managed networks running OSPF and BGP routing protocols.
• Configured route redistribution between OSPF and EIGRP in a multi-area OSPF network.
• Implemented Hot Standby Router Protocol (HSRP) by tuning parameters like preemption.
• Implemented various OSPF scenarios on networks consisting of 7600 routers.
• Knowledge of Cisco PIX/ASA firewalls, IPS/IDS, F5 load balancers, AAA (TACACS+ & RADIUS).
• Tuned BGP internal and external peers with manipulation of attributes such as weight, local p.
• Actively involved in installation, configuration, post installation daily operational tasks and configuration of the deployment of Cisco Nexus 5K equipment.
• Preformed IOS upgrades and reconfigured devices afterwards.
• Daily monitoring of network traffic using sniffers (Wireshark) and access logs to troubleshoot and identify network issues.
• Worked with vendors and Engineering team to test new hardware and procedures.
• Consulted with engineering team to resolve tickets and troubleshoot L3/L2 problems

Environment:

• Cisco IOS, router series like 3700, 7200 and 7500 and catalyst switches 6513 and 6503
• Nexus Devices 7k,5k and 2k
• Cisco enterprise device 1900, 2811, 2900, 3900 Series ISR Routers
• Cisco Switches 2960XR, 3750, 2960, 3560, 4500, 6500
• Configuration of Routing protocols EIGRP, OSPF and BGP
• Configure and managing of HSRP
• Cisco PIX/ASA firewalls, IPS/IDS, F5 load balancers
• Resolve tickets and troubleshoot L3/L2 problems

Confidential, Plano, TX

Sr. Network Engineer

Responsibilities:

• Troubleshooting on all cisco IOS and catalyst switches on the network which included but was not limited to 3700, 7200 and 7500 series routers and catalyst 6513 and 6509 switches
• Maintained and configured Cisco enterprise devices such as Cisco 1900, 2811,2900, 3900 Series ISR Routers, Cisco Switches 2960, 3560, 4500, 6500
• Troubleshooting and Experience in Nexus Devices 7k, 5k, and 2k
• Performed route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance. in configuring and implementing of composite network models consists of Cisco7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Involved in network upgrades and implementation.
• Designed and implemented IT security policies and networked backup systems
• Configured networks using routing protocols such as RIPv2, OSPF and BGP.
• Maintained and managed networks running OSPF and BGP routing protocols.
• Configured route redistribution between OSPF and EIGRP in a multi-area OSPF network.
• Implemented Hot Standby Router Protocol (HSRP) by tuning parameters like preemption.
• Implemented various OSPF scenarios on networks consisting of 7600 routers.
• Knowledge of Cisco PIX/ASA firewalls, IPS/IDS, F5 load balancers, AAA (TACACS+ & RADIUS).
• Tuned BGP internal and external peers with manipulation of attributes such as weight, local p.
• Actively involved in installation, configuration, post installation daily operational tasks and configuration of the deployment of Cisco Nexus 5K equipment.
• Preformed IOS upgrades and reconfigured devices afterwards.
• Daily monitoring of network traffic using sniffers (Wireshark) and access logs to troubleshoot and identify network issues.
• Worked with vendors and Engineering team to test new hardware and procedures.
• Consulted with engineering team to resolve tickets and troubleshoot L3/L2 problems efficiently.
• Developed an optimum IP Addressing schemes, VLAN tables, and network documentation and diagrams.
• Responsible for implementing and testing secure access for outside business partners into the client network for secured data transport.
• Coordinated with higher-level support and external vendors for resolution.

Environment:

• Cisco Switches 2960,3560,4500 and 6500
• Nexus Device 5k and 2k
• Redistribution, Router-maps and administrative distance
• Configuration of routing protocol RIPv2, OSPF and BGP
• Redistribution between OSPF and BGP
• Implemented HSRP by tuning preemption
• Cisco ASA firewalls, F5 load balancers and AAA (TACACS+ & RADIUS)
• IP addressing scheme, VLAN tables and network diagrams
• Resolving the Layer-2/Layer-3 problems efficiently

Confidential

Network Administration

Responsibilities:

• Actively involved in installation, configuration, post installation daily operational tasks and configuration of the deployment of Cisco Nexus 5K equipment.
• Designed configured and implemented BGP, EIGRP, OSPF and RIP v2 in multi-protocol network environment.
• Implementing and Configuring HSRP, VRRP and GLBP.
• Involved in configuring and implementing of composite network models consists of Cisco 7200, 3800 series routers and Cisco 2950, 3500, 3560,5000 Series switches
• Built LAN/WAN TCP/IP network comprised of Cisco Switches (2960, 2950, 2900XL)
• Designed and implemented IT security policies and networked backup systems
• Reviewed, approved, procured various IT hardware and software products to fulfill strategic and operational needs of various departments.
• Configured VPN, ACL, and NAT in the Cisco ASA 5505 firewall to allow only authorized users to access the servers of the internal network
• Worked on open source content management platform like Drupal, empowering enterprise websites and applications
• Installed, configured and maintained Cisco 7200 series VPN Router.
• Built LAN/ WAN TCP/IP network comprised of Cisco Switches (6500, 7000, 3750, 3500, and 2900).
• Actively involved in installation, configuration, post installation daily operational tasks and configuration of the deployment of Cisco Nexus 5K equipment.
• Involved in troubleshooting various layer 2 and layer 3 issues related to multicasting, VRF and BGP routing using Wireshark.
• Developed an optimum IP Addressing schemes, VLAN tables, and network documentation and diagrams (Visio).
• Hands on experience on subnetting and VLSM, STP, VTP, VLAN trunking.
• Troubleshooting on all Cisco IOS and Catalyst switches on the network which included 3700, 7200 and 7500 series routers and catalyst 6513 and 6509 switches.
• Monitored network traffic via network monitoring tools and sniffers to troubleshoot network outages and intrusions by tracing their origin and destination.
• Work closely with configuring, maintaining and troubleshooting WAN links - ATM, Frame- relay, MPLS VPN.
• Configured and Implemented Site-to-Site VPNs at branch sites.
• Implemented VLANs, DHCP server, DNS configuration, NAT/PAT in a small network environment.
• Reviewed, approved, procured various IT hardware and software products to fulfill strategic and operational needs of various departments.
• Documented and maintained technical diagrams, inventory list and physical topology, and other IT procedures.
• Responsible for day to day management of Cisco devices, traffic management and monitoring.

Environment:

• Actively involved in installation, configuration
• Implemented BGP, EIGRP, OSPF and RIP v2
• Configuring HSRP, VRRP and GLBP
• Built LAN/WAN TCP/IP network
• Configured VPN, ACL, and NAT in the Cisco ASA 5505 firewall
• Installed, configured and maintained Cisco 7200 series VPN Router
• Subnetting and VLSM, STP, VTP, VLAN trunking
• Configure and maintained WAN links - ATM, Frame- relay, MPLS VPN.
• Implemented VLANs, DHCP server, DNS configuration
• Responsible for day to day management of Cisco devicesE

Confidential

Jr. Technical Support Associate

Responsibilities:

• Installed network equipment such as routers and switches using the Cisco CLI to update configurations.
• Troubleshooting on all cisco IOS and catalyst switches on the network which included but was not limited to 3700, 7200 and 7500 series routers and catalyst 6513 and 6509 switches.
• Preformed installation, cabling and cable testing, Setup Access list and configured Firewall
• Hands on Experience in Nexus Devices 7k, 5k, and 2k
• Involved in troubleshooting various layer 2 and layer 3 issues related to multicasting, VRF and BGP routing using Wireshark.
• Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
• Troubleshoot TCP/IP problems; troubleshoot connectivity issues in multi-protocol Ethernet, Environment.
• Basic Network Concepts: OSI, TCP/IP, IP Addressing, IP Subnetting.
• Static and Dynamic Routing - RIP, EIGRP, OSPF.
• Troubleshoot LAN related problems, provided Desktop support for local and remote end-users.
• Used network monitoring tools to ensure network connectivity and protocol analysis tools to assess and pinpoint networking issues causing service disruption.

Environment:

• troubleshooting various layer 2 and layer 3 issue
• Troubleshoot TCP/IP problems
• OSI, TCP/IP, IP Addressing, IP Subnetting
• Troubleshoot LAN related problems
• Used network monitoring tools to ensure network connectivity