Server Administrator

We are looking for an experienced Server Administrator to maintain, monitor, and optimize our Red Hat Enterprise Linux (RHEL) infrastructure and High-Availability (HA) Red Hat Cluster environments. The ideal candidate should have hands-on experience troubleshooting critical node failures, managing storage layout architectures, and automating routine operational tasks, with responsibility for ensuring 99.9% uptime for our core services.

Key Responsibilities:

  - Cluster Management: Deploy, configure, and maintain production-ready Red Hat High-Availability Clusters.
  - Incident Resolution: Take ownership of investigating cluster fence actions, split-brain scenarios, and node drops.
  - Storage & Networking: Manage advanced storage allocations using LVM, multipathing, and SAN/NAS, as well as configure network bonding or VLANs at the OS level.
  - Performance Tuning: Monitor system logs and performance metrics to proactively identify resource bottlenecks (CPU, Memory, I/O) and apply kernel optimizations.
  - Security & Compliance: Apply regular OS security patches, manage SSH keys, configure SELinux policies, and enforce user access controls.

Technical Skills & Qualifications:

  - Experience: Minimum of 2+ years of professional experience dedicated to Linux Server Administration.
  - Core Competencies: Strong practical expertise with RHEL 8/9 and Red Hat Cluster configurations.
  - Certifications: Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) is preferred.