DevOps Engineer @ Linux, CI/CD, DevOps, Chef, Docker, AWS, Openstack, LAMP, Jenkins, Tomcat, Weblogic, DBaaS From April 2015 to Present (9 months) Infrastructure Engineer @ Ensure 24/7 availability of the Infrastructure Components. Puppet, Docker, KVM, AWS, Zabbix, OUD, OneLogin, LDAP, Splunk, Apache, Nginx, Mysql. From January 2015 to April 2015 (4 months) Middleware Tech lead - North America @ Technical Lead of 10 Member Middleware Team for North America Region (Client: The Nielsen Company). Responsible for managing large footprint of Middleware Applications and Unix Servers. Expertise in Server provisioning, Automation, P2V application migration, Server Consolidation and Datacenter Migration. Expertise in taking over new projects, knowledge transitions, providing training and team building. Managed virtual servers in Vmware ESX environment. Worked closely with development teams and designing platforms for application hosting. Deployed application monitoring tools to monitor various java applications. Handled P1 incidents, provided resolutions and root cause analysis within SLA. RHEL, Centos, Fedora, Solaris, HP-UX, AIX, Redhat Satellite Server, Datacenter, Spacewalk,10G, 11G Dell PowerEdge Models, Cisco C series, Cisco UCS, DRAC, ILO, Vmware, Redhat Cluster, GFS2, LVM, Veritas File System, Veritas Cluster Server, Nagios, Mysql, Netezza, Shell Scripting (Korne & Bourne), Puppet, Perl, Apache, Nginx, JBOSS, Websphere, Tomcat, Siteminder & Identityminder, Weblogic Server, Azul Zing, Avamar, SAN / EMC. From September 2010 to January 2015 (4 years 5 months) Linux System Engineer @ Responsible to configure and manage Linux Servers, Web servers (Apache, nginx, litespeed, lighttpd), DNS, email servers (exim, sendmail, postfix and qmail), PHP, ffmpeg, Mysql and Pgsql database servers, Middleware java application servers, webhosting control panels, Nagios and Cacti monitoring systems. Automated day to day Unix admin tasks such as Server initial setup, server hardening, package installation etc. Managed servers hosting 1000+ internet facing websites (including video hosting and live streaming web sites). Performed performance optimization of Web servers and Database servers Handled security related issues such as DDOS, Web Attacks, SQL injection, spamming, spoofing etc and placed the preventive measures. From December 2009 to August 2010 (9 months) Coimbatore Area, IndiaSenior Software Engineer @ Heading the shift in Providing Level3 remote infrastructure management and technical support services for UNIX/Linux servers. Responsible to configure and Manage Linux Servers (centos, redhat, fedora, ubuntu, debian), Mysql Clusters (master-master and master-slave), DNS clusters, High Availability using HA proxy, Heartbeat, DRBD, Amazon ec2, Amazon s3, R1soft backups, Webhosting control panels, Email servers, Software firewalls, Open source tools, Virtualization (openvz, Virtuozzo, Xen), OpenVPN, Monitoring Servers (Nagio, MRTG). Managing the web hosting infrastructure (hosting 10000+ internet facing web sites) remotely. Performing Server hardening, Server Migrations, web sites migration with minimal down time. Responsible to automate the manual Unix tasks using shell scripting. From May 2007 to December 2009 (2 years 8 months) Cochin Area, India

Bachelor's Degree, Computer Science @ Anna University From 2003 to 2007 Ragunathan Ramasamy is skilled in: Apache, Shell Scripting, Linux, MySQL, Puppet, DNS, Unix, VMware, Amazon Web Services (AWS), Virtualization, Linux System Administration, Nginx, Nagios, Tomcat, Operating Systems