Senior Linux System Administrator (HPC KSA

We are looking for Senior Linux System Administrators with strong hands-on experience in Red Hat Enterprise Linux (RHEL) and Kubernetes to administer and support the infrastructure underpinning an HPC environment. The role focuses on system reliability, security, performance, automation, and availability.

• Administer and maintain RHEL/Linux servers and HPC compute nodes.
• Install, configure, patch, upgrade, and troubleshoot Linux operating systems.
• Manage and support Kubernetes clusters, nodes, and workloads.
• Perform Linux performance tuning, system hardening, and troubleshooting.
• Monitor system health, capacity, performance, and availability.
• Automate infrastructure administration using Ansible, Shell scripting, Python, or similar tools.
• Support integration between compute, storage, networking, Kubernetes, and HPC platforms.
• Troubleshoot complex Linux, Kubernetes, and infrastructure issues.
• Implement security best practices across Linux and Kubernetes environments.
• Support incident resolution, root-cause analysis, and preventive actions.
• Maintain system configurations, technical documentation, and operational procedures.
• Strong hands-on experience as a Linux System Administrator / Linux Engineer / RHEL Administrator.
• Expert-level administration of Red Hat Enterprise Linux (RHEL).
• Strong experience with Kubernetes administration and cluster management.
• Experience supporting HPC environments / compute clusters is highly preferred.
• Strong knowledge of:
• RHEL / Linux
• Kubernetes
• Linux performance tuning
• Linux patching and hardening
• System monitoring
• Troubleshooting
• Capacity management
• Strong automation/scripting experience with Ansible, Shell/Bash, Python, etc.
• Experience integrating compute, storage, and networking infrastructure.
• RHCE
  - Red Hat Certified Engineer:
  Mandatory
• CKA
  - Certified Kubernetes Administrator:
  Preferred