Linux Administrator (RHEL/SUSE/Debian)

We are seeking a skilled Linux Administrator with hands-on experience managing enterprise Linux environments, including RHEL, SUSE, and Debian-based distributions (Debian/Ubuntu). The role involves administration, troubleshooting, patching, upgrades, virtualization support, automation, and incident management for mission-critical infrastructure. Key Responsibilities

• Administer and support large-scale Linux environments including RHEL, SUSE, Debian, and Ubuntu servers.
• Manage Linux server lifecycle activities including provisioning, configuration, patching, upgrades, migrations, and decommissioning.
• Perform Linux OS in-place upgrades, application migrations, and new server builds.
• Apply security patches, maintenance releases, kernel updates, and server hardening standards.
• Manage physical and virtual servers hosted on Proxmox and Hyper-V platforms.
• Administer logical volume management (LVM), filesystem expansion, storage allocation, and disk migration activities.
• Perform startup/shutdown activities, log analysis, troubleshooting, and root cause analysis for production issues.
• Monitor server health, critical services, capacity utilization, and system performance.
• Manage DNS, VM snapshots, virtualization resources, and networking configurations.
• Provide L2/L3 support for incidents, problems, changes, and service requests.
• Coordinate with vendors for issue resolution and service restoration.
• Prepare operational reports, capacity reports, and technical documentation.
• Create and maintain knowledge base articles, SOPs, and support documentation. Mandatory Skills
• Linux Administration (RHEL, SUSE, Debian, Ubuntu)
• Red Hat Enterprise Linux (RHEL)
• SUSE Linux Enterprise Server (SLES)
• Debian Linux / Ubuntu Administration
• Linux Server Build & Migration
• Linux Performance Tuning & Troubleshooting
• LVM (Logical Volume Management)
• Kernel Patching & Package Management
• RHEL Satellite Server
• Proxmox Administration
• Hyper-V Administration
• DNS & Networking Fundamentals
• Incident, Change & Problem Management
• ITIL Processes
• Root Cause Analysis (RCA)