Linux and Kubernetes Engineer

Key Responsibilities:

• Linux Administration
• Install, configure, and maintain Linux servers (RHEL, CentOS, Ubuntu, Oracle Linux, Amazon Linux, SUSE)
• Manage user accounts, permissions, and security configurations
• Configure and manage system services (DNS, SMTP, NTP, SSH, etc)
• Perform OS patching, kernel upgrades, and performance tuning
• Monitor server health, performance, and resource utilization; troubleshoot OS, network, and storage issues
• Implement and verify backup and recovery strategies
• Ensure compliance with organizational policies and contribute to documentation and the knowledge base
• Cluster & HCI Environment Management
• Design, deploy, and manage Linux-based GPU and CPU cluster environments for compute-intensive workloads
• Implement combined storage using GlusterFS to pool local disks into one shared storage volume across nodes
• Manage cluster orchestration through:
• Slurm for batch AI/ML jobs, and Kubernetes for containerized workloads
• Integrate clusters with existing HCI (Hyper-Converged Infrastructure) platforms where applicable
• Ensure cluster scalability, availability, and performance optimization
• Support database hosting and administration (MySQL, PostgreSQL, Oracle, SAP DB, etc) on Linux platforms
• Preferred experience with SUSE Linux for SAP environment support, system optimization, and maintenance
• Kubernetes Administration
• Deploy, manage, and maintain Kubernetes clusters across on-premises and cloud environments
• Manage containerized workloads and applications using Helm, Operators, and Ingress controllers
• Configure namespaces, RBAC, networking, and storage classes
• Perform cluster upgrades, patching, and backup/recovery operations
• Integrate monitoring and logging tools (Prometheus, Grafana, ELK stack)
• Ensure security compliance and adherence to Kubernetes best practices
• Support CI/CD integration for application deployments
• Ansible Automation
• Develop and maintain Ansible playbooks, roles, and templates for automation of Linux and Kubernetes tasks
• Automate patch management, configuration enforcement, and deployment workflows
• Integrate Ansible with CI/CD pipelines for infrastructure automation
• Work with Ansible Tower / AWX for enterprise-grade automation management
• Troubleshoot and optimize automation scripts for consistency and performance
• Infrastructure & Support ActivitiesSupport server provisioning, vulnerability remediation, and infrastructure deployment
• Provide L2-level support for Linux, Kubernetes, cluster, and automation issues
• Collaborate with IT, Cloud, DevOps, and Security teams to maintain environment reliability
• Participate in change, incident, and problem management processes
• Ensure minimal downtime and proper coordination during maintenance or patching activities