SUMMARY:

• Over 7 years of experience in Core Networking and Security Technologies
• Strong “hands - on” experience on Cisco products and technical knowledge of various technologies required for an enterprise and telecommunication network environment.
• Experienced in network implementation, analysis, troubleshooting LAN/WAN in a high-pressure environment
• Experienced in configuring Cisco Routers (2621, 2621XM, 2800,7200,7600) using BGP, OSPF & EIGRP
• Experienced in configuring QOS on Routers and implementing QOS on WAN Routers
• Experienced in configuring Cisco Nexus 7k and Cisco Catalyst Switches (Catalyst 3550, 3560X, 3750,4500 & 6500)
• Experienced in upgrading Cisco routers, switches and firewall IOS using TFTP.
• Experienced in configuring Juniper MX-960, Juniper EX 3200, EX 2200, EX 4200.
• Experienced in installing and configuring Cisco ASA 5500 series routers.
• Familiar with DMVPN and NHRP
• Experienced in Switching Technology Administration including creating and managing VLANS’s, Port security, VTP, STP, Inter-VLAN routing, LAN security etc.
• Familiar with WLC, LAP
• Familiar with IDS and IPS
• Experienced in Troubleshooting high CPU issues, memory issues on Cisco devices
• Familiar with VPN IPSec to allow remote users access to corporate network. 
• Familiar with deep packet inspection tools such as Wireshark and packet capturing tools on different Cisco platforms, ELAM capture and netdr on 6500.
• Familiar with monitoring tools to check network connectivity
• Can properly document and report for any project audit and quality review.

TECHNICAL SKILLS:

Network Hardware: Cisco routers: 7600, 7200, 2600, 2800, 3600, 3800, 881ASA 5510

Cisco Switches: Nexus 7k, 6500, 4500, 3560 catalyst, 3750, 2960

Network Protocols: EIGRP, OSPF, BGP, STP, VTP, HSRP, GLBP, VRRP, VPN, ARP, IPSec, NAT/PAT

Network Software Cisco works (for network monitoring) Gns3 (For router simulation)

PROFESSIONALEXPERIENCE:

Confidential, Durham, NC

Network Support Engineer

Responsibilities:

• Performed troubleshooting on slow network connectivity issues, routing issues involved OSPF, BGP and identifying the root cause of the issues.
• Troubleshoot issues on Cisco Nexus 7k, Catalyst switches(6500, 4500, 3750) and Routers
• Troubleshoot issues on ACS
• Negotiated VPN tunnels using IPSEC encryption standards and also configured and implemented site-to-site VPN
• Performed smart hand support by identifying the root cause of the hardware issues with switches and routers
• Operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Troubleshooting high CPU issues, memory issues on Cisco devices.
• Restoring network down situations
• Assisted Cisco clients during Maintenance window and high priority changes
• Troubleshoot router/switch crashes, recovery and upgrades.
• Assisting Cisco partners and customers in configuration and troubleshooting network issues.
• Troubleshoot QOS on Routers and Switches.
• Set up SPAN on Cisco switches for monitoring the traffic
• Troubleshoot packet loss
• Understanding the topology and analyzing the root cause of the issue
• Familiar with different packet capturing tools and packet inspection.
• Setting up lab-recreates for stimulating customer environment to analyze problems and identify solutions
• Providing detailed RCA for the issue and preventive measures for future.
• Handle and take ownership of service requests and provide resolution

Confidential, Cincinnati, OH

Network Engineer

Responsibilities:

• Configured Routers using BGP and OSPF
• Configured Cisco Switches and Juniper devices
• Provided network connections for new workstations.
• Implemented ACS
• Setup internet domain name and resolved DNS, LAN/WAN connectivity issues for the Website
• Implemented QOS on WAN routers
• Installed and configured DHCP Client/Server
• Configured STP and best practices for a successful layer 2 network
• Implement deployment and standardization of computer systems throughout the company.
• Network assessment and documentation (including technical, operational assessment)
• Responsible for generating network monitoring and performance reports and recommending network enhancements for improved infrastructure availability and performance.
• Proactively detect, investigate and prevent security and network related threats.
• Create and maintain/update technical documentation on regular basis to standardize the routine network related activities. 
• Upgraded Cisco routers, switches and firewall IOS using TFTP.
• Installed and configured Cisco ASA 5500 series.

Confidential, Katy, TX

Network Engineer

Responsibilities:

• Configured Cisco Routers (2621, 2621XM, 2620, 2800) using Eigrp
• Configured Cisco Switches (Catalyst 6500, 4500, 3750)
• Provided network connections for new workstations.
• Configured QOS on routers.
• Worked on dmvpn setup
• Installed and configured DHCP Client/Server
• Configured Vlan’s and established connectivity between them.
• Configured HSRP.
• Created the backup configuration of the devices.
• Proactively detect, investigate and prevent security and network related threats.
• Create and maintain/update technical documentation on regular basis to standardize the routine network related activities. 
• Upgraded IOS on Cisco Routers switches and firewall ASA using TFTP.
• Installed and configured Cisco ASA 5500.
• Involved in Switching Technology Administration including creating and managing VLANS’s, Port security, VTP, STP, Inter-VLAN routing, LAN security etc.
• Substantial lab testing & validation prior to implementation of new technologies.

Confidential

Network Engineer

Responsibilities:

• Day to day job involved maintaining device backup configuration.
• Troubleshooting LAN/WAN issues.
• Installation and upgrade of devices and network modules
• Monitoring the network to check network connectivity and monitor performance
• Troubleshooting and supporting multiple IOS and hardware environments.
• Responsible for LAN / WAN network operations providing 24X7 support for internal infrastructure. 
• Day to day job involved maintaining database and device backup, troubleshooting network problems and implementing any new changes in the infrastructure through organizational change management process.
• Prime responsibility was to resolve all IP network issues, to reduce any downtime while complying with SLA / OLA.
• Maintaining the network infrastructure, encompassing installation, migration, troubleshooting and configuration of network devices.