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Over 12 years' experience in ICT industry: Security, Operations, Maintenance System, and Building Open Source Software.
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Familiar with Windows OS (9x/ME/NT/2000/2003/XP), Linux/ CentOS/ Sun Solaric/ FreeBSD/ Suse/ Debian.
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Good knowledge about device of Telesyn and Cisco, Telesyn: Router, Switch, Remote Access Server.
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Experience in Web Server: IIS, Apache, Stronghold, JRun, Tomcat, JBoss.
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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 Mail Server InterMail Post Office, Firewall Check Point…
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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, Lotus Note, 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).
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Knowledge about SMSC gateway.
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Feb 1998 – Feb 2000
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University of Technology, HCMC – Vietnam
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System Administrator in Novell Netware
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- 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.
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Feb 2000 – Feb 2003
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NetNam HCMC – ISP & OSP (NetNam Corp) – Vietnam
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Professional System Administrator and Services Network Solutions
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- Management 5 staff, 15 Servers and 50 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.
- Cisco Router, Switch configuration.
- Good understandings of network routing protocols
- System administrator on Redhat.
- Apply and customize software for security.
- Good knowledge TCP/IP
- Linux system Administrator, specifically in RedHat.
- Setup Windows 2000 Radius Server and Windows 2000 Database Server
- Environments: Windows, Linux, Unix and many another OS.
- Technology: TCP/IP, UDP/IP, SMTP, POP3, IMAP, HTTP...
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Feb 2003 – Apr 2004
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One-Connection, Inc. – ISP & OSP, a member of EIS Group – Vietnam
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Advanced System Administrator and Network Operation Manager
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- Management 15 staff, 20 Servers and 100 Computers.
- Management Windows Server 2003 ( Active Directory, eMail Exchange, Mail Mdeamon…)
- Fully in system administrator on many kinds of operating system.
- Applying new technologies for Network performance, security.
- Setup Windows 2000 Radius Server and Windows 2000 Database Server
- Developing ADSL, setup and maintain on Windows 2000, 2003, Linux, UNIX use Mail Server. Domain Name Register,
- Researching and updating Network services.
- Extensive knowledge in Network/Application security. Extensive knowledge of the TCP/IP stack.
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Apr 2004 - Jan 2006
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International IT Services, Inc. Vietnam
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IT Manager Expert Hardware and Network (Network Operation Manager)
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- Management 5 staff , 10 Servers and 100 Computers.
- Management Windows Server 2003 ( Active Directory, eMail Exchange, Mail Mdeamon…)
- Hardware configuration test lab for Telesyn Project.
- Ixia configuration for test case.
- Linux network support for Telesyn Project.
- Linux network maintenance and security for trepX Technology Project.
- Linux network support for WellFound Project.
- Linux network setup Lab and configuration for VisionAir Project.
- Open Source Software projects (Firewall, DNS, Cache, Mail Server, Webmail, MySQL and Web Servers).
- Setup and Maintain Active Directory Windows 2003, VSS
- High Availability Clustering Open Source Software.
- Fully in system administrator on many kinds of operating system.
- Applying new technologies for Network performance, and security.
- Monitor system, network, VPN, and services…
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Jan 2006 – May 2007
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Tim Nhanh (KIEM VIEC), Co. Vietnam
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IT Manager Expert Hardware and Network Operation.
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- Management 4 staff, 20 Servers and 200 Computers.
- Management Windows Server 2003 ( Active Directory, eMail Exchange, Mail Mdeamon…)
- Transfer Server from US to VietNam.
- Expert Hardware Server configuration (Cisco, DELL, IBM …).
- Expert Linux network.
- Linux network maintenance and security for Hosting Web Server (Cpanel, Plesk).
- Open Source Software projects (Firewall, DNS, Cache, Mail Server, Webmail, MySQL and Web Servers).
- Setup and Maintain Active Directory Windows 2003, VSS
- High Availability Clustering Open Source Software.
- Fully in system administrator on many kinds of operating system.
- Applying new technologies for Network performance, and security.
- Monitor system, network, VPN, and services…
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| May 2007 - May 2008 |
Vinagame JSC |
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System Manager |
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- Managing 20 staffs, 500 servers
- Managing 20 Projects: Mail, Chat, Payment, Passport ...
- Expert server hardware configuration ( IBM, DELL, HP ... )
- Expert linux network
- Open source Software project ( DNS, Cache, Mail, Firewall, WebServer, MySQL ... )
- LoadBalacing failover Firewall
- High Available Clustering open source software
- Applying new technologies for network performance and security
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Jun 2008 - Present
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Yeu The Thao JSC
- Vietnam. |
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Chief Technology Officer (CTO) |
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- Provides team leadership and coordination of projects, tasks, and initiatives ensuring accurate and timely resource allocation and project staffing.
- Provides internal customer relationship management by defining customer needs and coordinating those needs with team plans.
- Develops and implements plans, controls, procedures, etc. that ensure the stability of the Web System Online according to service levels agreed upon with customer.
- Develops and implements plans, controls, procedures, etc. that ensure the stability of the IT Local System according to service levels
- Manages Security Web System online and IT Local.
- Provides system design analysis, risk evaluation and project requirements clarification.
- Prepares and submits project plans and progress reports establishing policies and management controls to stay within the planned budget and time lines as well as project status.
- Provides application development work-plans, evaluation of multiple design alternatives and testing.
- Introduces new technologies, solutions, and alternatives to support changing business and operational needs.
- Makes HR decisions in Technology Dept regarding personnel budget, recruitment & selection decision, hiring and termination, training, professional development, mentoring, counseling, performance evaluation, and salary planning... in co-ordination with HR Dept.
- Other duties as assigned by the C.E.O.
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Linux Network Administration (LPIC-1, LPIC-2)
