Sr.System Administrator
CurrentDomain registration and main DNS Recorded Web Hosting Account and Linux and Windows server Maintenance of DATACENTER Local (Chennai and Mumbai ) – (Dev, staging, Live) Installation and configuring Web Servers with Apache and Nginx.MYSQL & configuration and Linux server with automatic backupInstalling and configuring FTP servers and respective trouble shooting.Configure Network Teaming on Remote Servers for good performance and high availability.Create and maintaining the EC2 Instances on AWS cloudConfigure Clustering for high availability file server with GlusterFs.SSL certificate installation on requested domains and DNS record management.Installation & Configuration of Red Hat Enterprise Linux, CentOS, Maintenance and System Administrator.Managing package install/upgrades using YUM and RPM through Red Hat Satellite Server.Performed data migration across multiple Unix/Linux (RHEL/CentOS) and Windows Servers.Worked with KVM and VmWare ESX virtualization tools.Responsible for maintain security on all Linux systems for regulatory compliance.Worked on Kerberos and PAM authentication module. Installation of VMtools on virtual machines and Increase of CPU, memory and swap resources on VMs.Experience in raising changes, attending CAB calls, Co-ordinate with different vendor, execute the change, document. Prepared and evaluated KT plan and documentation on technical issues/solutions.Responsible in maintaining the information of all Linux servers into CMDB.Firewall Confirmation for Sonic Wall 4200, 3200, Pfsence, Bastion server Centos and Aws Cloud, Symantec Server & Client. Installation eCommerce Application For Centos configuration and Free BSD Linux Samba server confirmation and Single Sign on Multi-platform ( Windows,Linux,Mac) Gmail mail , configuration and maintenance of Web hosting Account Free E-main services SupportE-Mail installation for Linux server and maintenance and services provider & Support SEO Team & Testing Team.
