• Operating Servers (RHEL, CentOS, Ubuntu, Windows 2000/2003/2008)
• OS upgrade and Patch Management
• OpenStack Installation and configuration
• AWS (EC2, ELB, RDS, Auto-Scaling, Cloud Front)
• Apache/Nginx Web Server under High Traffic Environment
• Apache Tomcat with Cluster
• Monitoring – Nagios, Zabbix
• Database Server (MySQL and Postgresql, HA, Replication, Tuning)
• Configuration Management - Puppet
• Bash and Perl Scripting
• HaProxy, Netscaler (Hardware LB)
• CDN (Cloud Front, Akamai)
• Core System Administration (RHEL Cluster, LVM, CLVM, GFS2)
• VMWare EXS/ESXi installation and configuration
• Citrix XenServer installation and Configuration
• KVM Server installation and Configuration
• Network Fundamentals
• ITIL Fundamentals