Administrator - Linux, Red Hat Cluster, Red Hat Satellite
HCL Technologies
Job Summary
Kubernetes & OpenShift Administration\r\nInstall, configure, upgrade, and manage OpenShift Container Platform (OCP) using IPI/UPI methods.\r\nAdminister and maintain Kubernetes and OpenShift clusters for high availability and performance.\r\nManage Operators, Custom Resource Definitions (CRDs), and cluster scaling.\r\nPerform periodic upgrades aligned with Red Hat releases and SLAs.\r\nTroubleshoot cluster, infrastructure, and application-level issues.\r\nImplement security best practices and RBAC policies within OpenShift.\r\nAutomation, Monitoring & CI/CD\r\nAutomate administration tasks using Ansible and shell scripting.\r\nSupport and integrate CI/CD pipelines (Jenkins/OpenShift Pipelines or similar).\r\nImplement and maintain monitoring, logging, and alerting solutions:\r\nPrometheus, Grafana, Loki\r\nELK Stack (Elasticsearch, Logstash, Kibana)\r\nOptimize cluster and application performance.
Key Responsibilities
trong hands-on experience with Linux (RHEL) administration.\\\\r\\\\nProven experience with Kubernetes and OpenShift administration.\\\\r\\\\nExperience with Red Hat Satellite, patching, and system hardening.\\\\r\\\\nSolid understanding of Linux boot process, storage, networking, and security.
Skill Requirements
Linux Administration\r\nAdminister and support Red Hat Enterprise Linux (RHEL) 6/7/8/9 environments.\r\nPerform OS patching and lifecycle management using Red Hat Satellite, YUM, and third-party repositories.\r\nHandle Linux OS recovery, including bare-metal recovery from backups.\r\nTroubleshoot boot issues, kernel panics, LVM, filesystem, and performance issues.\r\nManage NFS/CIFS, storage integrations (SAN/NAS), and Oracle disk mappings with udev rules.\r\nImplement and troubleshoot SSH (key-based authentication), PAM, LDAP/IPA/IDM integrations.\r\nMonitor server performance using tools like top, sar, vmstat, and system logs.\r\nFollow ITIL/ITSM processes, SLAs, DRP, and BCP requirements.
Other Requirements
collaboration & Documentation\r\nWork closely with development teams to support deployments and operations.
Why HCLTech?
At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.
HCLTech is a global technology company, home to more than 226,300 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending December 2025 totaled $14.5 billion.
Benefits
At HCLTech, we believe in empowering our employees with comprehensive benefits that support their professional growth and enhance their well-being. When you sign up for a career with us, you gain access to:
Industry-benchmarked compensation
Best-in-class healthcare benefits
Personal time off
Maternity and paternity benefits
Access to skills / higher education programs/resources
Discounts on products and services via Benefit Box
Participate in CSR programs and live life with a purpose
Opportunities to grow and advance your career
Note: The benefits listed above vary depending on the nature of your employment and the country where you work. Some benefits may be available in some countries but not in all.
