Secure and optimize server

Hello, I am linux system engineer working with web hosting company from past two years and having knowledge of maintaining linux servers, security issue, software installation, server installation, DNS configuration & server migrations, Monitoring servers, Spam mitigation and DDOS attack prevention, Working on server related internal tickets, Installing open source applications like red5, openmeetings, wordpress openfire, subsonic, etc. hosted on VPS or Dedicated servers, Installing, configuring, managing and troubleshooting Linux, WHM/cPanel, Webmin, Webuzo and Plesk, Solusvm/Virtualizor (openvz technology), Transferring accounts between servers when necessary for account upgrades using rsync, ftp, scp or via cpanel transfer, Implementing & administering various security and performance enhancements such as mod_ security, CSF/LFD, IPTables, etc, SSL setup for websites, Backup maintenance using cPanel or commands.

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