SUMMARY

• 6+ years of IP networking systems architecture, planning and engineering, IP network operations, Multi - vendor IP network design for small, medium and large data-centers, customers and network operation centers.
• IP network design and administration with multi-vendor platforms with TCP/IP, LAN switching, Spanning-Tree and various Cisco IP routing protocols RIP, BGP, EIGRP and OSPF.
• IP route redistribution; static routing configuration for network connectivity.
• Spanning-Tree Protocol and VTP tuning, design and upgrades for large and small customers.
• In-depth knowledge and hands-on experience on IP Addressing, Subnetting, VLSM and ARP, reverse & proxy ARP and Ping Concepts.
• Implemented data center core redundancy contingency counter measures with HSRP and GBLP.
• Extensive hands on experience in Nexus platform. Worked on NX9K, NX7k, NX5K, NX3K, and NX2K.
• Strong hands on experience in installing, troubleshooting, configuring of Cisco 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
• Great team player and able to work under pressure.
• Experienced and comfortable in working more than 40 hours per week whenever required.
• Demonstrated success record in: Managing multiple tasks with proven ability to meet deadlines and proactively identifying the problem to solve complex technical issues.
• Highly enthusiastic, creative team player, project implementation, analytical, interpersonal and communication skills.

TECHNICAL SKILLS

Operating Systems: Windows server 2003, Windows server 2008, Windows XP, Windows 2000, Windows Vista, Windows 7, Linux and Unix.

Applications: Microsoft PowerPoint, Microsoft Excel, Microsoft Project,Vizio.

LAN Technologies: VLAN, VTP, Inter-Vlan routing, STP, RSTP, PVST, 802.1x.

WAN Technologies: Frame Relay, ISDN, PPP, ATM, MPLS, Channel & Leased lines.

TCP/ IP: Subnetting, VLSM.

Routing Protocols: Static, RIP, IGRP, EIGRP, OSPF and BGP.

IP Services management: NAT, DHCP.

Network Security: NAT/PAT, VPN, Filtering, Load Balancing, IPSec, ACL, Switchport port security, Firewalls.

Infrastructure Services: DHCP, DNS, SMTP, POP3, FTP, TFTP.

Security: Cisco ISE, Cisco NAC

Administration and troubleshooting: CDP, TELNET, SSH, ICMP, PING and TRACEROUTE, SNMP and SYSLOG, CISCO IOS software and configurations.

Network Analysis Tools: Packet Sniffer, and Wireshark.

Montiroring Tools: Anue, CA, Fluke.

PROFESSIONAL EXPERIENCE

Confidential, Winston Salem, NC

Sr.Network Administrator

Responsibilities:

• Develop data system architectures, and recommends modifications to the data system configurations that reduce costs or improves services.
• Participate in the research, analysis, design, testing and implementation of large and complex data systems.
• Participates in evaluation of vendor proposals, data system studies and traffic analysis.
• Participate in enterprise level projects from an engineering perspective & responsible for creating/updating data system designs.
• Responsible for implementing, testing, and researching industry best practices.
• Responsible for network deployment plan’s, design, research and hardware procurement for the overall network.
• Deploying and decommission of VLANs on core Nexus 9k, 7k, 5k, and its downstream devices.
• Worked on Cisco Nexus 2232, 2248 Fabric Extenders and Nexus 5000 series to provide a flexible Access Solution for Data Center access architecture.
• Took over, and improved existing corporate NAC solution with no previous product experience.
• Experience with converting Cisco 6500 to Cisco Nexus in the data center environment.
• Engineered, implemented and continue to manage and improve corporate network authentication solution (Cisco ISE) with 4 active nodes, 10k active endpoints and 800 network access devices.
• Involved in 2 Data Center migrations including re-architecture of network infrastructure.
• Configured and replaced Access layer and Distributed layer switches and routers.
• Build network documentation which includes accurate site inventory, site network diagrams, logical LAN/WAN diagram, network device list (routers/switches), server information sheets, network administration information document.
• Performed other related duties as assigned or requested to include network hardware and software, network infrastructure and design, topologies, and protocols
• Configured and Supported network performance and configuration management and analyze net flow traffic.

Confidential, Denvor,CO

Network Administrator

Responsibilities:

• Design and implement campus switch network with Cisco Layer 3 switches (3750, 4500, 6500 & Nexus 7000, 5000, 2000 series) in multi VLANs environment and inter-VLAN routing, HSRP, 802.1q trunk, ether channel.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Maintain and troubleshoot switch applications and Network connectivity including DNS, DHCP, LAN and TCP/IP issues.
• Configured RIP, EIGRP, OSPF and BGP in routers.
• Configured MPLS L3 and L2 VPNs for customers.
• Rack and Stack, Installed and configured new routers and switches.
• Used DHCP to automatically assign reusable IP addresses to DHCP clients.
• Upgrade IOS, Flash memory and DRAM on core routers and field routers.
• Configured and maintain VPN tunnels as required by the business and maintain secure firewall routing tables. Also maintained all policies pertaining to the Unified Threat Management suite.
• Build network documentation which includes accurate site inventory, site network diagrams, logical LAN/WAN diagram, network device list (routers/switches), server information sheets, network administration information document.
• Worked on Router series such as 2800, 2600, 2900, 3600, 3700, 3900, switches such as Cisco 3725, 3560, 3550, 2960, 2950, 4500 & 6500 and Firewalls like Cisco PIX 515, 525 and ASA 5510 in failover mode.
• Worked with TACACS+ and RADIUS servers for managing user authentication.
• Monitored T1/T3 frame-Relay, PPP, ISDN and leased lines.
• Implementing NAT solution's on WAN applications.
• Configuration of VLAN, Port assignment. End server Network related problems.
• Cisco ASA firewalls, switches and router configuration.
• Extensive knowledge and experience of Cisco Network Security, including the design, configuration, and tuning of Cisco security appliances: ASA Firewalls and FWSMs - NAT, ACL configuration.
• Configured IPSec VPN’s, Policies, Adding Routes, and Debugging Traffic.
• Coordinating with Vendor regarding Link status and reporting on timely bases to Superiors.
• Performed IOS upgrades on Catalyst 2900, 3500, 4500 series switches and 2500, 2600, 3600 series routers.
• Maintaining Network Documents, updating on a timely basis.
• Creating Network uptime report and sending to the management as per weekly schedule.

Confidential, Dallas, Texas

Network Engineer

Responsibilities:

• Assisted in troubleshooting LAN connectivity and hardware issues in the network.
• Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• Monitor performance of network and servers to identify potential problems and bottlenecks.
• Performed RIP & OSPF routing protocol administration.
• Interacted with support services to reduce the downtime on leased lines.
• Troubleshoot problems on day to day basis; provide solutions to fix the problems.
• Monitor the operability and reliability of the network.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Managed IP address space using subnets and variable length subnet masks (VLSM).
• Worked along with the team in ticketing issues; responsibilities included documentation and support other teams.

Confidential

Computer Systems Operator

Responsibilities:

• Assisted in configuration and installation of new servers and Cisco hardware into racks and data closets. Also did cabling runs and installs in the building.
• Provide technical support to clients through phone, ticketing system, and remote access. Include PC/server hardware and software support, and networking LAN/WAN/WLAN configurations.
• Technical support over the phone, remote access, field visits, and with the footprints ticketing system to ensure timely service and response to issues. Includes resolving various hardware, software, network issues and documenting them.