Senior Linux System Administrator (HPC)- Riyadh, 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 .

Key Responsibilities

• 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.

Requirements

• 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