12,354 Linux Administration Jobs

Job Summary:

We are seeking an experienced Unix/Linux Systems Engineer with 7-10 years of expertise in managing RHEL, SUSE, and HP-UX environments at L2 and L3 levels . The role involves advanced troubleshooting, system administration, patching, clustering, storage management, performance tuning, and ensuring high availability of critical infrastructure.

Key Responsibilities:

Linux Administration (RHEL/SUSE):

• OS Management: Perform OS installation, patching, upgrades, and security hardening.

• Satellite Server Management: Configure, manage, and maintain Red Hat Satellite Server for patching and automation.

• Storage & Filesystems: Configure and troubleshoot LVM, NFS, SAN storage, and cluster file systems .

• Core Dump & Crash Analysis: Perform system crash diagnostics using kdump, kexec, and core dump analysis for RCA.

• Network & High Availability: Configure and troubleshoot network bonding/teaming for redundancy. Implement and support clustering solutions (RedHat Cluster, SUSE HAE) .

• Performance Optimization: Perform OS performance tuning using tools like perf and strace . Troubleshoot kernel, CPU, memory, and I/O-related performance issues .

• Automation & Monitoring: Develop Ansible/Shell scripts for automation and system health monitoring using OSWatcher, rsyslog, and other logging tools .

HP-UX Administration:

• LVM & Storage: Manage LVM, cluster file system creation, and volume resizing .

• Cluster Management: Handle failover and failback operations in cluster environments.

• Patching & User Management: Perform OS patching, firmware updates, and basic L2 troubleshooting .

General Unix Support:

• Provide L2/L3 support for incidents, problem management, and RCA .

• Work on backup & recovery solutions .

• Collaborate with security teams for compliance and vulnerability remediation.

Required Skills:

• Strong expertise in RHEL 7/8/9 & SUSE Linux administration .

• Hands-on experience with Red Hat Satellite Server for patching & lifecycle management.

• In-depth knowledge of HP-UX LVM, clustering, and OS patching .

• Proficiency in troubleshooting, performance tuning, and log analysis .

• Experience with network bonding, storage management (SAN/NAS), and backup solutions .

• Strong scripting knowledge ( Ansible, Shell scripting ).

• Good understanding of security hardening, compliance, and automation .

Preferred Qualifications:

• RHCSA/RHCE, SLES certification, or HP-UX certifications are a plus.

  • Experience in cloud-based Linux environments is an advantage.