Linux Administrator (RHEL/SUSE/Debian)
Infosys
Work from Office
Full Time
Min. 2 yearsJob Description
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)Job role
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