Administer and maintain RHEL/Linux servers and HPC compute nodes, manage Kubernetes clusters, and ensure system reliability, security, performance, and availability. Perform tuning, patching, hardening, monitoring, capacity management, troubleshooting, and incident resolution. Automate administration with Ansible, shell scripting, and Python, integrate compute/storage/networking, and maintain documentation and operational procedures.
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
Similar Jobs
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Lead pricing and assurance for Mastercard Move in EEMEA, partnering with Sales and Finance to build commercial models, business cases, budgeting/forecasting, and revenue realization. Track KPIs, present to senior leaders and clients, and act as PMO for revenue-impacting workstreams.
Top Skills:
ExcelIso Messaging StandardsMastercard MovePowerPointSwift
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Lead product management and P&L for Advanced Analytics and AI in EEMEA: define regional strategy and roadmap, commercialize analytics/AI solutions, manage cross‑functional teams, ensure delivery quality, and align with global and regional stakeholders to drive growth and competitive offerings.
Cloud • Security • Software • Cybersecurity • Automation
As a Staff Forward Deployed Engineer, you will enhance customer adoption of GitLab in complex environments, focusing on architecture, delivery, and creating technical assets. You will engage with strategic accounts to ensure successful implementation and ongoing improvements in CI/CD and AI-enabled workflows.
Top Skills:
AnsibleGitlab Ci/CdGoHelmRuby On RailsTerraformYaml
What you need to know about the Pune Tech Scene
Once a far-out concept, AI is now a tangible force reshaping industries and economies worldwide. While its adoption will automate some roles, AI has created more jobs than it has displaced, with an expected 97 million new roles to be created in the coming years. This is especially true in cities like Pune, which is emerging as a hub for companies eager to leverage this technology to develop solutions that simplify and improve lives in sectors such as education, healthcare, finance, e-commerce and more.
