SUMMARY

• Senior Network and System Engineer with experience in large - scale enterprise network design, deployment and administration fields.
• Extensive troubleshooting and administration skills on IP networks, routers and switches. Implement and manage firewall and VPN architecture.
• Install and design VOiP phone systems
• Install and support all VMware product and manage 1000 VDI desktops.
• Cisco routers, including 72xx, 38xx, 28XX, 26XXseries, as well as Cisco Switches, including 29xx, 35xx/36xx/37XX series, as well as 45XX and 65XX series.
• In-depth knowledge of TCP/IP, IPX/SPX protocol suites and common WAN/LAN technology.
• Associate degree in electronics and certified under CCNP, CCNA, VCP, WLANFE, MCSA, MCP, N+ and A+.

PROFESSIONAL EXPERIENCE

Senior Network and System Engineer

Confidential

Responsibilities:

• Administration and support the company LAN networks.
• Manage two datacenter with Nexus 5548 switches and 5 UCS chasses, Nimble storage.
• Manage 5 VMware VCenters with 100+ server and 1500+ VMware View 5.3 VDI desktops
• Manage front end ASA 5550 firewalls.
• Responsible for day-to-day operation and uptime on all systems.
• Manage everything from front end firewalls, Nexus switches, UCS, Servers infrastructure, VMware View desktops, VEEAM backup. VMware SRM manager

Senior Network Engineer

Confidential

Responsibilities:

• Administration and support the company WAN/LAN and all remote locations network
• Support Cisco routers, including 72xx, 38xx, 28XX, 26XXseries, as well as Cisco Switches, including 29xx, 35xx/36xx/37XX series, as well as 45XX and 65XX series.
• Cisco Pix and ASA Firewall configuration and troubleshooting. Cisco module technology - NAM, CSM, FWSM, ASA, ACE Checkpoint / Nokia
• QoS knowledge and experience with traffic policing/rate-limiting, traffic shaping, congestion management, congestion avoidance, network capacity planning, and application performance analysis across the WAN. Routing protocols - BGP, OSPF,EIGRP.
• Load balancer: Cisco CS11k/1150x, Cisco SSL Accelerator, & Cisco Local Director LAN protocols Gigabit Ethernet, Fast Ethernet, Ethernet, VLANs and Private VLANs, Layer 3 switches, and 802.1Q trunking. VPN tunnels with IPSec (DES,3DES, and AES).
• Wireless implementation and support on all Cisco wireless controllers.
• Develop, document and maintain core infrastructure technical policies relating to the network and network-dependent services
• Maintain, configure and monitor telecommunications hardware and software
• Coordinated installation of switches, routers and all data traffic equipment
• Troubleshoot, evaluate and resolve network and network service problems

Network Engineer

Confidential, Houston TX

Responsibilities:

• Administration of the network and telecommunications/data systems, ensuring efficient, cost effective, quality services for all users and customers.
• Perform routine installation, operation and troubleshooting of all personal computers, laptops, PDAs, network servers, and related devices and software.
• Responsible for the maintenance and performance monitoring for the LAN, WAN, WLAN, Internet, and all related devices.
• Responsible for administration and operation of security devices and related equipment.
• Diagnose problems on differing network layers. Troubleshoot routing protocols BGP, OSPF, EIGRP, IGRP and RIP.
• Deploy and configure new routers, servers, access points, Cisco Call Manager Express, Cisco Call Manager and Unity.
• Configuring PIX, Fortigate, Netscreen and SonicWall
• Maintenance of all software licensing, configuration settings, operating systems, security updates, major and minor software upgrades.
• Responsible for all aspects of daily operation.

NOC Engineer

Confidential, Houston, TX

Responsibilities:

• Providing network communications to Oil Rigs.
• Installing VSAT satellite system
• Configuring and support iDirect and Comptech broadband modems
• Installing Cisco routers and Cisco IP phones
• Voice Gateways, Cisco Call Manager, Wireless Systems
• Training the customers
• Field service and support on all systems, including Cisco data and voice network technology, satellite hardware and any associated hardware
• Ensure that any technical issues are solved and that improvements are implemented
• Perform 24/7 NOC duty on a rotation schedule
• Design, implement and manage internet gateways
• Implement and manage firewall and VPN architecture
• Manage and coordinate planning, development, installation, testing, network technologies
• Develop, document and maintain core infrastructure technical policies relating to the network and network-dependent services
• Maintain, configure and monitor telecommunications hardware and software
• Coordinated installation of switches, routers and all data traffic equipment
• Troubleshoot, evaluate and resolve network and network service problems
• Maintain, troubleshoot and configure servers, desktop computers, networking and office equipment
• Recommend and analyze system enhancements and upgrades, including new solutions
• Provide IT support to local and remote end users
• Perform necessary backups
• Assist as needed in other areas of ongoing projects
• Support PBX and VOIP Phone system
• Administer and maintain end user accounts, permissions, and access rights
• Maintain a detailed Hardware and Software inventory

LAN Administrator /Project Manager

Confidential, Houston, TX

Responsibilities:

• Installing and configuring Cisco routers 1500, 1600, 2600, 2500, 3600 series.
• Managing a crew. Installing and configuring Cisco Catalyst 1900, 2800, 2900, 3500 series.
• Installing VODAVI phone systems
• Maintain and administer the company's network system, perform system backups for all LAN servers, administer all the server systems and supporting software which includes installing new software releases and system upgrades, evaluate and install patches and resolve software and hardware related problems, perform general computer support for the company's workstations and laptops, and install, upgrade or configure user's computers as necessary.
• Troubleshooting and customer support
• Installation CAT 6, CAT 5, CAT 3 and Fiber optic cables.
• Cross-connects CAT3, CAT5 and CAT6 cables.
• Managing the installation, configuration and networking of system devices, operating system software and applications throughout the network.
• Installation racks, patch panels.
• Setup and Administration Windows 2000, XP and Windows 2000 Server
• Installing and configure hardware, including hard disk (SCSI and EIDE),tape drives, boards, printers and network adapters. Created users, reset password.
• LAN/WAN support and carry out maintenance tasks for local and remote office, network layer problem trouble shoot for remote sites which in a dynamic and static IP assignment environment.
• Internet connectivity / VPN tunneling; Design and implementation of Cisco Networks
• WAN connectivity: T1, Frame-Relay, ISDN; Cisco IOS, TCP/IP, and Network Management Tools.
• Installer-Electronic Freight Express March 2000-January 2001
• Installation and maintenance equipment and supplies (copier, fax, printers, PC). Providing customers training.
• LAN Administrator-United Bulgarian Bank-Plovdiv, Bulgaria February 1996-December 1999
• Installation and serviced office and bank equipment: ATMs, printers, PC and communication equipment. LAN support.
• Provide exceptional customer service to our clients daily, assisting with solving problems and providing expedient solutions to meet their needs.
• MS windows 98 workstation, office 97, Internet and Intranet access supporting for end-users.
• Setup and administration Windows 98, NT 4.0
• Anti-virus support and enhancement for client
• Manage and support of NT Domain Controller, DHCP, WINS, DNS and Proxy server.

TECHNICAL SKILLS

Server product: Familiar with the setup and administration of Windows 2008 R2 server, Windows 2003 server, Netware 4.11,MS Proxy server, IIS web server, DHCP, DNS and WINS server. Experience with TCP/IP networking, DNS, DHCP, and NT domain structures.

Routers and switches: All Cisco products, HP switches and routers, Nortel, Symbol, Extreme

Networking: In-depth knowledge in TCP/IP Networking, LAN/WAN protocol and inter-networking, Network Cabling implementation, hands-on experience in Cisco switch, router setup and configuration. Installation and termination of fiber optic cabling.

Operating System: Dos, Windows 95/98/NT/2000/XP/Win7, Red Hat Linux 8.1, Cisco IOS. Cisco Works.

Applications: MS Office 2007/2010, McAfee, Norton Antivirus, pcAnywhere