System administrator with 13 year experience in Linux and Open Source solutions. Previously worked with multinational corporation such as HP, AMD, Logica, Dell, T-Systems and Shell IT. Linux certification from LPI, Red Hat and Novell Experienced working as system consultant, system administrator and devops. Technical Proficiency and Expertise Advance Intermediate Projects: - set up VM on Linode, Digital Ocean and Softlayer - created custom check for Nagios - OS updates, OS upgrades, and patch installation - configured reverse proxy with Apache and Nginx - configured Bind and MaraDNS for DNS hosting - tuned SSL setting for Apache and Nginx to obtain A grade in SSL test - implemented configuration management automation with Ansible and Puppet - install and configure active-active MariaDB Galera cluster - install and configure ISP Config web hosting control panel - domain transfer and Cloudflare DNS and CDN configuration - upgrade and maintenance of pfSense firewall - upgrade and maintenance of Zimbra Email Collaboration Suite - implementation of Bac