JUAN CARLOS KELEDJIAN
INFORMATION TECHNOLOGY NETWORK ENGINEER
Solutions-oriented IT Network Engineer with notable success at design, troubleshooting, installation and optimization of network and systems in service-oriented, high-availability environments.
Track record of increasing responsibility in network and systems design.
Demonstrated capacity to implement innovative solutions that increase system performance while adapting to company’s needs and limitations.
Hands-on experience leading system development projects that involve integration of several IT disciplines such as systems, network, software programming and database design.
Adept at maintaining clear documentation to facilitate troubleshooting and upgrades, and to minimize margin of errors and system downtime.
CORE COMPETENCIES: Network Switching and Routing; Systems Engineer; Systems Design and Integration
* Platforms: Microsoft Windows® operating systems from 95 to Server 2008, Linux (Red Hat, SUSE), Mac OSX, UNIX (Solaris, HP-UX), Dell Blade Servers, IBM X series, Proliant, NetApp filers, Apple XRAID and Xserve.
* Networking: TCP/IP, Cisco IOS, HP Procurve, RAID, T1, DS3, OC3, ATM, Frame Relay, MPLS, VoIP.
* Languages: C++, VB.
* Tools: HP Procurve Manager, Watchguard Firewall, PIX Firewall, Aventail VPN, Cisco Callmanager, Checkpoint Firewall, Sonicwall Firewall, ESX server, Foundry load balancers, Nagios, McAfee/ePO Virus Protection, Commvault, Veritas, Avaya, SQL Server, Exchange Server, IIS, Snort, Microsoft Office System (including Microsoft Word, Microsoft Excel, Microsoft PowerPoint®, Microsoft Access, and Microsoft Outlook®), Microsoft Project, and Microsoft Visio®.
CRISPIN PORTER + BOGUSKY, Miami, FL 12/2007 – 6/2008
Worked as network/systems engineer in this high profile advertising company. The network serves 900 users located in Miami, Boulder, Los Angeles and London in bandwidth intensive operations including data, IP telephony, videoconferencing and wireless.
Troubleshoot, stabilized and fully documented the corporate LAN and WAN consisting of HP Procurve switches and Cisco routers, with MetroE, MPLS, DS-3 and OC-3 connections.
Proposed and implemented key changes to optimize network design, including route optimization, summarization, VLAN and traffic shaping for optimization of VoIP and videoconferencing.
Planned and implemented various sensitive system upgrades.
Key Technologies: Cisco routers (7200, 4000) and switches (3750, 4500), Procurve Switches (8212, 5400, 5300, 4000, 3400), Watchguard Firewall, Aventail VPN, Sonicwall Firewall, WMWare ESX server, Commvault, Avaya, Exchange 2003, McAfee/ePO, Windows Server 2003/2008, Active Directory, NetIQ, PRTG, OSX server, H323, VoIP, 802.11 a/b/g, Dell Blade Servers, IBM X series, NetApp filers, Apple XRAID and Xserve.
EPIXTAR (VOXX CORPORATION), Miami, FL 12/2004 – 12/2007
Recruited to work at this Call Center Outsourcing company’s NOC in the installation, configuration, monitoring and troubleshooting of all systems and network equipment that supported 800 operators in Philipines connected to Miami via ATM DS-3 for data and voice communications. Their customers included Discovery Credit Cards, Verizon, Cross Country Bank and others
Instrumental in the installation and troubleshooting of a clustered SQL server with a capacity of 2 Terabytes.
Troubleshoot and stabilized the predictive dialing system.
Troubleshoot many network and telecom issues and maintained record of high network availability
Authored the Disaster Recovery document.
Key Technologies: Cisco routers (4000, 3600, 5400, 7200), PIX Firewall 535, Callmanager, Windows Server 2003, MS SQL Cluster 2000, H323, VoIP, 802.11 a/b, SIP, HP-UX, ATM Frame Relay, Proliant.
MICRODEVICES WORLDWIDE, Miami, FL 12/1999 – 12/2004
In charge of network and systems of this prepaid long distance telephony provider handling 8000 customers.
Network design and installation of the multi-national (US, Jamaica, Aruba and Venezuela) VoIP network.
Design and installation of corporate servers, web server farm, Checkpoint firewall and Foundy ServerIron load balancers.
Key Technologies: Cisco routers (4000, 3600, 5400, 7200) and switches (3750, 4500, 4900), Checkpoint Firewall, Foundy ServerIron, Windows Server 2000/2003, MS SQL Cluster 2000, H323, VoIP, SIP, Frame Relay, HP Proliant.
IPNET TECHNOLOGIES, Caracas, Venezuela 1/1998 – 12/1999
Developed engineering projects to Etheron and Cantv Servicios (both ISPs).
Instrumental in the design improvements that reduced account provisioning and billing processing time from 30 minutes to 20 seconds.
Authored the conceptual design document for a IP-TV service.
Key Technologies: Cisco routers (4000, 3600) and switches (3750, 4500), RADIUS, Windows NT 4.
ETHERON SERVICIOS, Caracas, Venezuela 1/1996 – 1/1998
Promoted after one year to manage system development and operations teams of this Internet Service Provider.
Network Design, configuration, installation of an ISP Service with capacity and 24/7 support for 10,000 users based on Cisco, Windows NT, SQL, 3COM. Supervised a team of the nine engineers that composed the IT department in areas of both network, software and database.
Designed and supervised implementation of the Prepaid Internet Service product and the real-time billing system.
Key Technologies: Cisco routers (4000, 3600), RADIUS, Windows NT 4, Frame Relay, Compaq Proliant.
TELETROL, Caracas, Venezuela 1/1994 – 1/1996
Recruited to work on the DGPS (Differential GPS) and Projects Department.
Developed a GPS portable device circuit board. Worked in conjunction with oil industry contractors like Shell to use the system for accurate marking of oil drilling locations..
Designed and implemented a prototype ISP service on Linux.
EDUCATION AND CREDENTIALS
Bachelor of Science Degree in Electronic Engineering
UNIVERSIDAD SIMON BOLIVAR – Caracas, Venezuela
Professional Training and Certifications
CCNA – Cisco Certified Network Associate