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

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

Required Skills

1. RHEL / Linux Administration
2. RHEL HA & Clustering
3. Red Hat OpenShift / OCP
4. Ansible Automation
5. Linux Security & Hardening / VAPT
6. OS Patching & Lifecycle Management
7. TCP/IP, DNS, VLAN & Routing
8. SAN/Storage & VMware
9. Veeam / Veritas NetBackup
10. SNMP / ManageEngine OpManager
11. Production Incident & Problem Management
12. DR, Failover & Mock Drills
13. Working knowledge of Oracle, PostgreSQL, MySQL & MongoDB infrastructure

Preferred candidate profile

1. Qualification: Bachelors degree in Computer Science / IT / Engineering or equivalent
2. 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.