• Linux platform administration Redhat, CentOS and Ubuntu.• Deployment and automation of applications using Puppet Enterprise. • Build, install, Troubleshoot, diagnose and resolve server events and user incidents relating to Linux systems.• Working with the wider infrastructure team to provide support and troubleshooting for Linux systems incidents.• Install, configure, update, Clustering and maintain the pools, virtual servers and web application firewall using Traffic manager application.• Configuring and supporting middleware and webserver software on Linux platforms, Apache, Tomcat, MySQL, Postgress• Security related activities, system hardening, patching, vulnerability threat management and mitigation.• Installing the Monitoring application and integrity management tool such as client server setup such Zabbix, Xymon, HIDS, system and CIMTRAK.• Writing and maintaining Shell scripts.• VMware usage for troubleshooting and operations.• Create and maintain clear and accurate system documentation.• Application performance tuning.• Server hardening.• End to End support to client based on criticality and priorities.• Manage and provide continuous support to clients using ticketing system such as client mantis, JIRA• Installing and maintaining the mail server-client such as Postfix, SMTP.• Installing and renew the ssl certificate on Linux clients and traffic managers• Physical server installation and management using Dell IDRAC and maintain DELL EMC Isilon support.• Install and manage the asset studio application on all linux systems such as centos, redhat, Ubuntu.