L3 Linux & Red Hat OpenShift Administrator

Role Overview
We are looking for an experienced L3 Linux & Red Hat OpenShift Administrator to manage and support mission-critical enterprise infrastructure, with strong expertise in Linux, RHEL, High Availability/Clustering, and OpenShift environments.

Key Responsibilities

• Administer and troubleshoot RHEL/Linux servers and HA/Cluster environments.
• Manage Red Hat OpenShift clusters, including installation, upgrades, patching, monitoring and troubleshooting.
• Provide L3 support for critical production incidents and perform RCA.
• Implement OS hardening, security patches and VAPT remediation.
• Automate administration and patching activities using Ansible.
• Manage performance, capacity, DR, failover/failback and 24x7 production support.
• Troubleshoot networking, storage, virtualization and backup-related issues.
• Coordinate with Application, Database, Network, Security and Infrastructure teams.
• Provide technical guidance to L1/L2 teams and drive automation and operational improvements.

Required Skills

• RHEL / Linux Administration
• RHEL HA & Clustering
• Red Hat OpenShift / OCP
• Ansible Automation
• Linux Security & Hardening / VAPT
• OS Patching & Lifecycle Management
• TCP/IP, DNS, VLAN & Routing
• SAN/Storage & VMware
• Veeam / Veritas NetBackup
• SNMP / ManageEngine OpManager
• Production Incident & Problem Management
• DR, Failover & Mock Drills
• Working knowledge of Oracle, PostgreSQL, MySQL & MongoDB infrastructure

Preferred candidate profile

• Qualification: Bachelors degree in Computer Science / IT / Engineering or equivalent
• Experience: 7 to 10 Years

What Were Looking For
Strong troubleshooting and analytical skills, ownership of mission-critical infrastructure, excellent stakeholder coordination, and the ability to work effectively in a 24x7 production environment.

Red Hat / OpenShift / Ansible certifications will be an added advantage.