Role Overview

We are looking for an experienced L3 Linux Administrator with strong 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.

Good 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