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Linux Administrator – L2

IDBI IntechGurugram, Haryana, India

14 hours ago

Job description

The Linux Administrator (L2) will be responsible for the installation, configuration, monitoring, and maintenance of Linux servers across production and non-production environments. The role involves providing day-to-day operational support, troubleshooting, and performance optimization, while ensuring high availability, security, and compliance of systems.

Key Responsibilities :

Core Administration & Monitoring

Installation & configuration of Linux Operating Systems.

Hardening of Linux OS and patch installation.

Health monitoring of Linux servers (CPU / Memory / Disk / System Load).

OS reboot, shutdown, and start-up procedures.

OS log management (rotation, purging) and monitoring of system logs.

Disk management, file system management, user & group management.

Configuration of network, NTP, and OS parameters.

Installation of RPMs / software packages (Java, sudo, lsof, etc.).

Management of cron jobs.

Support & Coordination

First-level coordination with Application Support and Development teams for OS-related issues.

OS support during DB patching, application patching, and hardware maintenance.

Troubleshooting and resolution of hardware, software, and communication problems.

Logging calls with hardware OEM / AMC vendors for replacement of failed parts.

Logging and coordination with software OEM / ATS vendors for software-related issues.

Provide L2-level support and resolution of issues escalated by L1.

Advanced Administration

Linux Kernel upgrade and OS migration.

Installation / configuration of network services (DNS, NFS, SAMBA, YUM server).

SAN storage-related configuration in Linux servers.

Support for DC / DR switchover and switchback activities.

Installation / configuration of Apache and Tomcat servers.

Performance monitoring, tuning, automation, and optimization activities.

RedHat PCS cluster configuration, troubleshooting, and support.

Architecture, Compliance & Management

Planning & designing deployment architecture for Linux servers.

Setup and administration of high availability and disaster recovery (HA / DR) environments including clustering, failover, fencing, and recovery.

Capacity planning and performance statistics analysis.

Formulation of backup and recovery strategies.

Audit and compliance support.

Documentation, inventory maintenance (servers, users, groups).

Team / resource management and coordination with client / vendors / other support teams.

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Linux Administrator • Gurugram, Haryana, India

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