SUMMARY:

• Accomplished, dedicated technical professional with extensive knowledge in network design, implementation, management, and support of robust network infrastructure seeks Wireless Network/Architect Engineering position.
• 10+ years of experience optimizing performance and extending capabilities of Wireless LAN/WAN/MAN and mission critical networks
• 9 + year of hands on experience with advanced Cisco IP routing and switching technologies, Cisco/Aruba Wireless WLC, Firewall, Cisco Nexus support, Network Infrastructure Design, Implementation, and Architecture
• Extensive Working knowledge of Cisco hardware & software, Microsoft
• Excellent IT Project Management and Customer Support skills
• Exceptional time management and organization skills

PROFESSIONAL EXPERIENCE:

Sr. Network Engineer

Confidential, Frederick, MD

Responsibilities:

• Wireless Engineer/Architect / Project Lead: FlexConnect global WAN Wi - Fi design / implementation for HQ / Marriott regional centers and sales offices throughout US and Internationally with Cisco 7500 Flex Connect Wireless LAN Controllers, and 5500 series WLC. WLAN, ACS, QoS, Radius 802.1x, Web-Auth, Guest WiFi, Routing/Switching configuration, IP DHCP, InfoBlox, Checkpoint firewall.
• Developing new WiFi Network Architecture for large WAN enterprise.
• Responsible for Marriott Core Network infrastructure support including two large Data Centers in MD and PA.
• Full Cisco Nexus backbone support - routing with BGP, MPLS, OSPF, VRF and switching VPC, Po, STP. Network design and implementation for core engineering.
• Visio network documentation and design.

Network Administrator

Confidential, Frederick, MD

Responsibilities:

• Responsible for day-to-day LAN/MAN/WAN/ WiFi Network Operations for Frederick and Reston campuses, supporting over 5k Bechtel employees.
• PPDIOO lifecycle approach to Network design, architecture, and Implementation - prepare, plan, design, implement, operate, and optimize.
• Cisco routing and switching with C6500-E, C4507R, 3750G & 3560 PoE Cisco switches, 1841, 2851, 3725, 3845 2900 series routers. Cisco 5508 and 4400 WLC, Cisco APs WLAP-1142N. Nexus NX-OS support 7009.
• Configuration and support: Multicast and Unicast routing, VPLS, ACS, VPN IPsec, GRE, HSRP, Multicast and Unicast routing, OSPFv2, OSPFv3, EIGRP, BGP, VRF-Lite, IPv6, VLAN, VTP, STP, PVRST+, trunk, BPDU guard, DAI, DHCP snooping, VACL, PVLAN, 802.1X, QoS, Wire Shark data capture, Orion monitoring.
• Troubleshoot/ Resolve customers’ network related issues and connectivity problems.
• VISIO Network drawings, documentation, and net gear inventory control.
• Closely work with IT management and NOC teams, Cisco TAC support.
• Successfully completed numerous network projects e.g. ACS / Tacacs AAA global switch initiative; DHCP migration from FRE to ASH; IOS upgrades on access distribution and core switches, L2 Redundancy through PVRST+ implementation, IP Multicast, IP management/ changes, PAgP/ LACP Ether Channel. MM and SM Fiber.

Confidential, Martinsburg, WV

Sr. Network Engineer

Responsibilities:

• IT Project management - IT project assessment with customers, Perform network configuration, architecture, monitoring, identification and resolution of service impacting network problems and outages
• Performed statistical analysis of network events to determine trends and measure performance
• Provided Tier III/IV support for complex LAN, VoIP, TCP/IP networking problems
• Implemented and maintained client’s network infrastructure: Responsible for the operations and maintenance and configuration of all of the organization's VA Data Center network gear in Martinsburg WV. Cisco Nexus 7000 Series Switches and Cisco Nexus 5000 Series Switches, Cisco Nexus 2000 Series Fabric Extenders, 6513-E, 7200 VXR, 3750G, 871 VPN router, Cisco Wireless, UCCX, and Unity Connection, Cisco Works,, Cisco Wireless Controllers and LWAP, TACACS +, RADIUS, LAN routers and switches, Security, VoIP, and VPN support. Security Systems to include: Cisco Firewall ASA 5580, 5520, 5510, ACS. Network Analysis tools (Solar Winds), File and Print server operations, Visio diagram architecture; Configuration of Unicast, Multicast routing/switching, VRF and VPC on Nexus, OSPF routing, Firewall ACL, debug troubleshooting, architectural design for new networks, VPN support, routing, and switching
• Documented, monitored, and audited network infrastructure
• NSOC internal network operations support, including operation, maintenance, and troubleshooting for a multi-site organization supporting VA's enterprise network and security operations
• Worked with IT team on large projects

Confidential

Sr. Network Administrator, Business Owner

Responsibilities:

• Platforms used Wireless routers, C2960, C3750, C3560, C2600
• Technology utilized: Point-to-Point VPN Tunneling (PPTP), WPA2 PSK, WEP, SPI firewall, Port Forwarding, IPSec / GRE Tunnel, Authentication/ Encryption: MD5, SHA1, 3DES, AES, NAT, configuration -overloading and static, switch QoS, IPv6 unicast routing configuration, TFTP/ FTP/ DHCP administration, PCs remote access through secure WAN port, LAN wireless configuration and setup with 802.11g, Cisco IOS upgrades, custom build PCs, hardware and software upgrades, virus removal and security updates for individuals, network cabling, staff management, new IT office set-up, and software applications management. Company also contracted to provide management and inside sales support in marketing Reverse Engineering Products.

Confidential

Sr. Network Engineer

Responsibilities:

• Project Lead - Provided hands-on design and implementation of IP-Prime Monitoring Wall (IP video multicast channels), with security and Cisco multicast traffic configuration for the IP network head-end located in Vernon Valley, NJ
• Participated in design and configuration of Wireless Network using IEEE 802.11, multicast architecture with Cisco multilayer switches for HD-4 video clients ISPs
• Created disaster recovery and business continuity plans for TOC. Ensured adherence to network security policies and procedures. Implementation and management of end-to-end IP based satellite communications services: (IP-Prime, HD-4 services)
• Cisco Network infrastructure operations support c3750, 3560, 6513 switch routers site to site VPN with 2800 series, Terminal server, Cisco Works, Cisco ACS, PIX 500, Cisco IOS firewall, Zone-Based Firewall (ZPF), ASA 5500, SSL/ IPSec, Cisco switching, CLI, receivers, VPN Cisco Server administration, Windows 200X-based servers management. Analyzed and delivered implementation design options via MS VISIO to senior management and customers (ISPs)

Confidential, Washington, DC

Network Engineer

Responsibilities:

• Project Manager - supervised / managed LAN techs (staff) regarding work order completion
• Successfully upgraded IOS software on over 700 Cisco routers and switches
• Provided operations support for large campus Network Infrastructure with over 700 Cisco routers and switches. ( LAN/MAN/WAN) Routing protocols EIGRP
• Worked closely with Data Center network support team to change, update, add, remove, mitigate servers supporting internal customers. (Cisco C3560 PoE, 4500-e, C6500 series, C3750 Stackable switches, Cat OS)
• Successfully implemented virtual backbone expansion through Gigabit Ether-channel fiber among LAN campuses interconnecting 6 Cisco 6500 Series switches (IOS and CatOS)
• Supported IP, VoIP communications with multi-thousand DOE workforce
• Interconnected CatOS and Cisco IOS switches: 2900, 3500, 3700, 4000, 5000, 6000 series. Cisco routers: 2600, 2800, 7200, 7500 series
• Maintained mandatory configuration on all Cisco network devices, Used Cisco Works, File print server operations.
• Configured EIGRP routing protocol on a large scale, VoIP config with QoS
• Configuration, support, and problem analysis of IP, TCP/IP, CLI, Gigabit ether-channeling, VLAN, 802.1Q, STP, SNMP, TACACS+, ACL, remote access, VPN client access, fiber connectivity