SUMMARY:

• Network Engineer with over 7+ 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, 3700, 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 not limited 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

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.

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.

Confidential

Technical Support

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.