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 current 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)

📌 Linux Administrator (RHEL/SUSE/Debian) (Bengaluru)
🏢 Infosys
📍 Bengaluru