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Over 5 years experience in using computers: Security, Operations, Maintenance System.

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Familiar with Windows OS (9x/ME/NT/2000/2003/XP), Linux/ CentOS.

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Good knowledge about device: Router, Switch, Remote Access Server.

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Experience in Web Server: IIS, Apache.

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Experience in Building Open Source Software such as Firewall, Mail Server, Cache Server, DNS, Samba Server etc.

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Experience in Windows OS (2000/2003) Mail MDeamon Server, Mail Exchange Server, ISA Server, and AD Server…

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Building Mail Server for Linux (Mail Server multi POP3, Qmail Server and Mail Server Offline).

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Building PDC In Linux to replace Windows Active Directory.

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Good knowledge about Radius, Mysql, Oracle, Database Admin MSSQL.

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Good knowledge about Cpanel, Plesk.

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Working with TCP/IP, UDP/IP, HTTP, HTTPS, FTP, SMTP, POP3, DNS, H.323 and SIP.

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Knowledge about Voice over IP (working with Technology Asterisk Voice over IP).

1998 – 2004

Hung Thinh Computer, HCMC  –  Vietnam

Project new network small office

• Working and monitoring many services in Novell Netware OS

• Maintaining data storage base on good knowledge in Novell Netware architecture. Specially, administration is most.

• Supporting and optimizing hardware performance.

• Network planning

 2004 - Now

Huu Toan Corporation, Binh Duong – Vietnam

Professional System Administrator and Services Network Solutions

• Management 5 Servers and 80 Computers.

• Developing Network Solutions. Solving and overcoming Network troubleshooting quickly. Specially, Ability working  independence.

• Research new technologies on Network Services (e.g. Firewall, Cache, DNS, Mail, Web ...). On Firewall, good knowledge on Shorewall … customizes security based on open source, anti-attacking on packet filtering (e.g. fetch mail, qmail ...). Web Apache and more.

• Router, Switch configuration.

• Good understandings of network routing protocols

• System administrator on Windows Server 2k3

• Expert Raid with Dell, IBM, HP server

• Load Balancing ADSL service
• Control Mail Offline ( Mdeamon, Exchange, Postfix )

• Backup & Restore Data ( by tape, veritas )

• Protect the computer of Lan without virus ( Symantec Server – Client )

• Apply and customize software for security.

• Good knowledge TCP/IP

• Environments:  Windows, Linux, Unix and many another OS.

• Technology: TCP/IP, UDP/IP, SMTP, POP3, IMAP, HTTP... 

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Solid ability to perform well under pressure, whether individually or as part of a team

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Experience in hardware/software installation and support

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Strong analytical and problem solving skills.

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Independence in jobs.

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Ability in learning for higher levels.

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Constructive customer relation skills.

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Expert to to build WAN system network, Firewall built in, DNS, Cache, mail Server built on Linux.

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Provided Professional Security Network solution on Unix...

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Hardworking, teamwork, can work under pressure.

1998 - 2003

University of Technology, HCMC  –  Vietnam

2003 - 2005

Vu Thao Company, HCMC – Vietnam

Microsoft (MCSA, MCSE Security), Oracle (OCA, OCP)

Mar - 2008

VN L.A.M.P, HCMC - Vietnam

LPI Linux, Linux  advance, CEH, Linux replace Windows