Senior Linux System Administrator (HPC)

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. 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

Desired Candidate Profile

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