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
Cloud • Information Technology • Security • Software • Cybersecurity
Lead enterprise sales across Qatar, driving new business, account expansion, multi-million-dollar quota attainment, pipeline management, forecasting, complex negotiations, and platform sales. Develop territory and account strategies, map customer IT architectures to Cloudflare solutions, engage executive and technical stakeholders, and coordinate virtual cross-functional teams. Build trusted customer relationships, support adoption and retention, coach colleagues, and position Cloudflare as a digital transformation partner.
Top Skills:
Cloud NetworkingCloud SecurityEdge ComputingGoogle SuiteMS OfficeSalesforceTableau
Cloud • Information Technology • Security • Software • Cybersecurity
Leads complex enterprise sales cycles for Cloudflare’s networking, security, and edge computing solutions across Ankara public-sector accounts. Responsibilities include territory planning, multimillion-dollar revenue generation, pipeline management, forecasting, executive relationship building, technical architecture alignment, negotiation, deal closure, customer expansion, and virtual cross-functional team leadership. The role also requires coaching colleagues, supporting digital transformation initiatives, and consistently exceeding sales targets.
Top Skills:
Cloud NetworkingCybersecurityEdge ComputingGoogle SuiteMeddpiccMicrosoft SuiteSalesforceTableau
Cloud • Information Technology • Security • Software • Cybersecurity
Leads technical go-to-market activities for UAE enterprise customers, including discovery, solution architecture, technical validation, demonstrations, onboarding oversight, migration planning, adoption, QBRs, and commercial expansion. Serves as a trusted technical advisor across the customer lifecycle, translating Cloudflare’s network, security, performance, and developer platform capabilities into business outcomes. Automates workflows with AI and creates enablement materials, documentation, and best practices.
Top Skills:
Ai AgentsBashBgpBot ManagementCdnCi/CdDnsFirewallsGoGraphQLGreHttp/2Http/HttpsJavaScriptLarge Language ModelsLuaMtlsNetwork SecurityObservabilityPulumiPythonRate LimitingRest ApisRetrieval-Augmented GenerationSaseSdksSsl/TlsTcp/UdpTerraformTls 1.3WafWebhooksWorkersZero Trust
What you need to know about the Chennai Tech Scene
To locals, it's no secret that South India is leading the charge in big data infrastructure. While the environmental impact of data centers has long been a concern, emerging hubs like Chennai are favored by companies seeking ready access to renewable energy resources, which provide more sustainable and cost-effective solutions. As a result, Chennai, along with neighboring Bengaluru and Hyderabad, is poised for significant growth, with a projected 65 percent increase in data center capacity over the next decade.
