SUMMARY:

Linux System Administrator / Engineer

Position Overview

POSITION INFO:
Key Responsibilities Linux System Administration & Infrastructure Install, configure, administer and maintain enterprise Linux servers. Conduct daily infrastructure health checks, including CPU, memory, disk usage, inode utilisation and system services. Review system logs, identify failures and proactively address potential outages. Ensure high availability, system reliability and optimal infrastructure performance. Perform regular system updates, patching and security remediation. Virtualisation & Platform Support Support Linux virtual machines hosted on Red Hat and Nutanix platforms. Assist with migration activities involving RHEV, Red Hat OpenShift Virtualisation and Nutanix AHV. Troubleshoot virtualisation-related incidents and infrastructure issues. Automation & Configuration Management Install and configure Red Hat Satellite and Ansible. Develop, maintain and update Ansible playbooks. Automate patching, configuration management and routine administrative tasks. Deploy and support infrastructure monitoring agents, including Xymon and IRIS. Incident Management & Technical Support Investigate and resolve incidents, service requests and change requests. Troubleshoot Linux operating system, infrastructure and application-related problems. Escalate complex technical issues to senior support teams or vendors. Administer and support Zimbra email services. Participate in standby and after-hours support for critical P1\/P2 incidents. Security, Access & Backups Manage Linux user accounts, LDAP authentication, permissions and password policies. Maintain secure access controls in line with security requirements. Monitor NetBackup jobs, resolve backup failures and perform restore testing. Documentation & Vendor Engagement Maintain technical documentation, system configurations and operational runbooks. Participate in vendor technical engagements and infrastructure improvement initiatives. Required Technical Skills Strong hands-on Linux system administration and troubleshooting. Red Hat Enterprise Linux (RHEL). Linux virtualisation environments. Ansible automation and configuration management. Red Hat Satellite administration. Linux installation, maintenance, patching and security. LDAP authentication and user access management. Enterprise monitoring, backup and incident management. Production infrastructure support. Advantageous Experience Red Hat OpenShift Virtualisation \/ OpenShift Kubernetes Engine (OKE). Nutanix AOS \/ Nutanix AHV. Oracle administration or related Oracle technical skills. Zimbra email server administration. Veritas NetBackup. Entuity and AppDynamics monitoring. Xymon and IRIS monitoring tools. Additional Requirements Ability to work on-site in Centurion every Monday, Wednesday and Friday . Availability for standby or on-call support when required. Strong troubleshooting, communication and problem-solving abilities. How to Apply Interested candidates should email an updated CV highlighting their Linux, Red Hat, automation and virtualisation experience to: 📩 Email Subject: Application - Linux Engineer - Centurion