Role Overview

We are looking for an experienced L3 Linux Administrator with robust hands-on expertise in RHEL administration, Red Hat Clustering, Pacemaker Cluster, Red Hat Satellite, and OS patching. The role involves managing mission-critical Linux infrastructure, ensuring high availability, security, performance, and stability across 24x7 production environments.

Key Roles & Responsibilities
Administer, configure, troubleshoot, and maintain RHEL/Linux servers in enterprise production environments.
Hands-on experience in Red Hat HA Clustering and Pacemaker Cluster, including cluster configuration, resource management, failover/failback, fencing, and quorum.
Manage Red Hat Satellite for repository management, patching, package updates, and system lifecycle management.
Plan and execute OS patching, upgrades, security updates, and vulnerability remediation.
Perform Linux OS hardening, VAPT remediation, performance monitoring, and root-cause analysis.
Automate routine administrative tasks using Ansible and playbooks.
Troubleshoot production incidents and provide L3 support for critical infrastructure issues.
Support DR activities, backup/recovery,



and infrastructure monitoring.
Coordinate with database, network, storage, security, and application teams.
Maintain technical documentation and follow ITIL-based incident, problem, and change management processes.

Mandatory Technical Skills
Solid hands-on experience in RHEL/Linux Administration.
Red Hat HA Clustering and Pacemaker Cluster.
Red Hat Satellite Administration.
OS Patching, Upgrades, and Lifecycle Management.
Linux troubleshooting, security hardening, and VAPT remediation.
Ansible automation and scripting.
Linux performance monitoring, networking, and production incident management.

Valuable to Have
VMware, SAN/Storage, Veeam, Veritas NetBackup, and SNMP monitoring tools.
OS-level support for Oracle, PostgreSQL, MySQL, and MongoDB.
Experience in 24x7 mission-critical production environments.

Education: Bachelors degree in Computer Science, IT, Engineering, or an equivalent qualification. Relevant Red Hat and Ansible certifications will be an added advantage.

📌 Linux & Red Hat Administrator Navi Mumbai
🏢 Axis Direct
📍 Navi Mumbai