• Install and Tuning operating system software, server and other equipment as assigned.• research new load balancer software (LVS) to reduce cost and workload from load balancer hardware.• Cloning from old server to new server for production to reduce time for installation and tuning.• Maintain and tuning system configuration to improve system efficiency.• Support test-team and developer to test coding and evaluate their code.• Check operating system on servers and other equipment regularly to ensure that system can operate continuously, According plans of the company that had anticipated.• Monthly patch, update all system and make reports.• Research monitoring tools, plug-in to monitor all servers (over 400 servers) as Zabbix , Opmanager , Cacti , Monit , Munin etc.• Research software cache and use on servers to reduce workload from web server.• Implement VMware ESX , vCenter as user request.• Provide guidance to assist on problems with cooperate in the department partners or customers• Preparation of document for user manual or other duties as assigned.• 24/7 On-call support.

• Setup, Maintain Servers and Client PC (Hardware and Software)• Setup, Maintain Operating System (Windows Server 2003, 2008, FreeBSD, Ubuntu, CentOS)• Install and Tuning Server from customer requirement.• Install and Tuning Email Gateway server.• Monitor Server and Email Traffic.• Trobleshoot Network Infrastructure and IT problems. • Technical Support for Hosting, Domain Registra over 6xx domains.• 27/4 On-call support, End-user support.# Division #• Siam Services (Hosting Provider) - Install and Tuning Operating system Freebsd, CentOS. - Install and Tuning Plesk Control Panel and Direct Admin. - Install and Tuning Email Gateway server by using Software Trend Micro InterScan Messaging Security Virtual Appliance. - Monitor Server and Email traffic , Check spam emails. - Technical support for Hosting and Domain. - Recover data , roll back data as cutomer request. - On-call support , End-user Support.• Samitivej Hospital (www.samitivejhospitals.com) - Outsource - Install and Tuning Windows Server 2003, DNS Server, PHP, MySQL, SQL Server for Samitivej hospital hosts. - Schedule Backup, Recovery Data.• Aeronautical Radio of Thailand LTD (www.aerothai.co.th) - Outsource - Install and Tuning E-mail gateway server by using Trend Micro InterScan Messaging Security Virtual Appliance.• Red Bull (www.redbullthailand.com, www.redbullextra.com, www.redbullracingthai.com, www.spnsor.co.th) - Outsource - Install and Tuning Server for Red Bull Host and monnitor domains - Technical Support with Programmer from Red Bull.• The Ministry of Interior of the Kingdom of Thailand - Outsource - Install and manage server security centrally. (Eset) - Monthly-reports top ten virus , spam emails , malware on server. - Trobleshoot with Eset Thailand.