OPENSOURCE PTE. LTD.
Contract Duration: 6 months Availability: Immediate Key Responsibilities Install, configure, administer, and optimize: RedHat Enterprise Linux (RHEL) 7/8/9 Solaris 10/11 with zones/LDOMs , ZFS IBM AIX servers Perform: OS migrations (RHEL 7/8 to 9) Storage addition and performance tuning Server patching , hardening , and security updates Conduct root cause analysis, implement fixes, and maintain documentation User administration and access control on RHEL, AIX, and Solaris systems Engage in incident , change , and configuration management Work on monthly log monitoring , maintenance , and reporting Ensure high system uptime and 24x7 production support Perform health checks, crash dump analysis, and hardware troubleshooting Coordinate with vendors and support teams for implementation and upgrades Application-level support: Squid Proxy , Apache , Tomcat , SMTP , Splunk Automate tasks using Shell scripting and Ansible Knowledge of Azure , load balancers , firewalls , and public cloud environments Experience with Red Hat Satellite for patching and repo troubleshooting Required Skills & Experience Strong hands-on with Linux/Unix OS installation , clustering, patching, and troubleshooting Deep knowledge of: LVM , GFS , NFS , DNS , Automount Linux security & audit configurations Experience in: Crash dump and log analysis Splunk , Squid Proxy , Webservers Shell scripting and automation tools (e.g., Ansible) Familiarity with Microsoft Azure and Virtualization Prior experience in WOG (Whole-of-Government) environments is a plus Willingness to be on 24x7 support rotation Strong communication and documentation skills #J-18808-Ljbffr