Linux Administrator (RHEL/SUSE/Debian)

Infosys; Bengaluru; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Infosys in Bengaluru seeks a skilled Linux Administrator to manage enterprise Linux environments (RHEL/SUSE/Debian/Ubuntu). You will handle provisioning, patching, upgrades, virtualization, automation, and incident management for mission-critical infrastructure.

Responsibilities include server builds, LVM, storage, backups, DNS, and RCA. Requires strong ITIL-aligned incident/change management and vendor coordination experience.

Qualifications

• Experience administering enterprise Linux environments and patching.
• Hands-on with RHEL, SLES, Debian/Ubuntu and virtualization.
• Ability to manage LVM, kernel updates, and server hardening.
• Familiarity with ITIL processes and incident/change management.
• Proficient in DNS, backups, monitoring and RCA.

Responsibilities

• Administer and support large-scale Linux environments (RHEL/SUSE/Debian/Ubuntu).
• Provision, configure, patch, upgrade, migrate, and decommission servers.
• Perform in-place OS upgrades, migrations, and new builds.
• Apply security patches, kernels, and hardening standards.
• Manage Proxmox and Hyper-V virtualization and storage.
• Handle LVM, filesystem expansion, storage allocation, and migrations.
• Troubleshoot production issues, analyze logs, and perform RCA.
• Monitor health, capacity, DNS, snapshots, and networking.
• Provide L2/L3 support and coordinate with vendors for resolution.
• Prepare operational reports and maintain SOPs and knowledge base.

Skills

Linux Administration

RHEL

SLES

Debian/Ubuntu

LVM

Kernel patching

Proxmox

Hyper‑V

DNS networking fundamentals

Incident/Change/Problem Mgmt

ITIL processes

Root cause analysis

Education

MCA

MTech

Bachelor Of Computer Applications

Bachelor Of Science

Bachelor Of Engineering

Bachelor Of Technology

Tools

Proxmox

Hyper-V

RHEL Satellite Server

Job description

Roles Responsibilities

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)

Educational Requirement

• MCA,MTech,Bachelor Of Comp. Applications,Bachelor Of Science,Bachelor of Engineering,Bachelor Of Technology

Preferred Skills

• Technology->Infrastructure-Server Administration->Linux Admin,Technology->Infrastructure-Server Administration->Unix Server administration (HP-UX,IBM-AIX, Sun Solaris, Redhat Linux),Technology->Server-Virtualization->Microsoft Hyper-v->Hyper-V

Service Line

Cloud Infrastructure Services