Linux & HP-UX System Administrator – L3 Support at VDart Inc

Job Title : Linux & HP-UX System Administrator L3 Support Location :Spring TX 77389 Contract 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) 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. 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 and 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: 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). 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. Key Skills Air Freight,Accounting & Finance,Electrical Commissioning,General Services,Civil Engineering,Linux Employment Type : Full Time Experience: years Vacancy: 1