System Administrator for Project, Singapore (02/15/2014 - present):
- Virtualization: ESXi, Amazon (EC2, S3, Route53, CloudWatch, VPC, LoadBalancing, etc....)
- Management tool: Chef, AWS Opsworks
- Webserver: nginx/php5-fpm. apache2 on Ubuntu/Debian and httpd on CentOS
- Database: MySQL, MySQL replication
- Monitoring: AWS Cloudwatch, Monitis, Nagios, etc....
- Firewall system: Cloudflare, Incapsula
- Document system: Twiki
System Administrator at S3Corp, Vietnam (08/08/2011 - 02/15/2014):
- Monitoring: Nagios, Zabbix.
- Bug trackers: JIRA, Redmine, Mantis, Bugzilla.
- Gateway, network loadbalancer: pfSense, Microsoft TMG 2010, Fortigate 110C
- Firewall, Network IDS: iptables, Snort IDS.
- Domain: SAMBA4 domain on Unix/Linux and Windows domain
- Webserver: Apache, Nginx (php5-fpm) on Ubuntu, CentOS.
- Backup system: Bacula.
- Services on Unix/Linux: mysql, www, dns, dhcp, ftp, svn and on Windows system: active directory, dns, dhcp, iis, ftp, mssql.