What are the responsibilities and job description for the Linux HP-UX System Administrator L3 Support position at Shrive Technologies?
Job Summary
We are seeking an experienced L3 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 be responsible for ensuring high availability, security, and compliance of Unix/Linux systems.
Key Responsibilities
Linux Administration (RHEL/SUSE)
We are seeking an experienced L3 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 be responsible for ensuring 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, and OSWatcher.
- 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, and MeasureWare.
- Develop scripts using Ansible and Shell for automation and monitoring.
- Configure logging and health checks using rsyslog, OSWatcher, etc.
- Collaborate with security teams for vulnerability remediation.
- Implement system hardening and ensure compliance with IT policies.
- Provide L3 support for critical incidents and root cause analysis.
- Document resolutions and contribute to knowledge base and SOPs.
- 7 10 years of experience in Linux and HP-UX system administration.
- Strong expertise in RHEL 7/8/9, SUSE Linux, and HP-UX 11.x.
- Proficiency in Red Hat Satellite Server, LVM, clustering, and SAN/NAS storage.
- Advanced troubleshooting and performance tuning skills.
- Strong scripting knowledge (Shell, Ansible).
- 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.