We are seeking a skilled unix system administrator to manage ,maintain and optimize unix-based servers . Ideal candidate will ensure high availability , performance, security aspects of mission-critical servers while supporting infrastructure related projects and operational tasks. Key responsibility : * 8+ years of experience in Linux Engineer * install, configure and maintain unix servers (Redhat Linux, AIX , Solaris) * Monitor servers performance and proactively identifying the issues and actively participating in the troubleshooting. * manage users accounts, sudo permissions and system security * strong knowledge in virtualization and physical servers that run on Linux/AIX * expertise in any one high availability software.(veritas,red hat cluster etc) * Apply patches and updates to ensure system integrity and compliance * knowledge in firmware upgrade on physical servers * automate routine tasks with shell script or other tools * participate in oncall rotation and incident outages * Familiarity with monitoring and ticketing tools * understanding ITIL process and change management process * excellent problem solving skills to finalize RCA on outages * RHCSA / RHCE , AIX certification will be added advantage.