Job Title

Linux & HP-UX System Administrator – HCL TechnologiesWorking Mode: 5 Days from OfficeJob Summary:HCL Technologies is looking for an experienced System Administrator with deep expertise in Linux (RHEL/SUSE) and HP-UX environments. This role involves advanced troubleshooting, performance tuning, patching, clustering, and automation across mission-critical infrastructure. The ideal candidate will ensure high availability, security, and compliance of Unix/Linux systems.Key Responsibilities:✅ Linux Administration (RHEL/SUSE)- Perform OS installation, patching, upgrades, and security hardening. - Manage Red Hat Satellite Server for patching and lifecycle automation. - Configure and troubleshoot LVM, NFS, SAN storage, and cluster file systems. - Conduct crash diagnostics using kdump, kexec, and core dump analysis. - Implement clustering solutions (RedHat Cluster, SUSE HAE). - Optimize performance using tools like perf, strace, OSWatcher.✅ HP-UX Administration- Manage LVM, cluster file system creation, and volume resizing. - Handle failover/failback operations in ServiceGuard cluster environments. - Perform OS patching, firmware updates, and advanced troubleshooting. - Use tools like SAM, Ignite-UX, GlancePlus, MeasureWare.✅ Automation & Monitoring- Develop scripts using Ansible and Shell for automation and monitoring. - Configure logging and health checks using rsyslog, OSWatcher, etc.✅ Security & Compliance- Collaborate with security teams for vulnerability remediation. - Implement system hardening and ensure compliance with IT policies.✅ Incident & Problem Management- Provide L3 support for critical incidents and root cause analysis. - Document resolutions and contribute to knowledge base and SOPs.-Required Skills:- Expertise in Linux and HP-UX system administration. - Strong knowledge of RHEL 7/8/9, SUSE Linux, HP-UX 11.x. - Proficiency in Red Hat Satellite Server, LVM, clustering, SAN/NAS storage. - Advanced troubleshooting and performance tuning skills. - Strong scripting knowledge (Shell, Ansible).Preferred Qualifications:- Certifications: RHCSA/RHCE, SLES, HP-UX Certified System Administrator. - Experience in cloud-based Linux environments (AWS, Azure). - Familiarity with ITIL processes and enterprise-grade monitoring tools.