RedHat / UNIX Administrator
3 days ago
Role & Responsibilities:
- Install, configure, maintain, and troubleshoot OpenShift clusters running on RedHat Core OS on Dell PowerEdge servers.
- Manage cluster upgrades, scaling, and security hardening.
- Administer user access and Role-Based Access Control (RBAC).
- Monitor cluster health, performance, and utilization.
- Troubleshoot container, pod, and node-level issues.
- Automate VM deployment and routine administrative tasks using shell scripts, Ansible, or other automation tools.
- Collaborate with application developers and DevOps engineers to ensure a stable and continuously improving platform.
- Support 24/5 operational shifts with weekend on-call availability.
Preferred Candidate Profile:
- 5+ years of relevant experience in OpenShift and RedHat Core OS administration.
- Strong knowledge of RedHat Enterprise Linux and OpenShift Virtualization.
- Proven experience in cluster upgrades, security hardening, scaling, and RBAC management.
- Expertise in automation using scripting and Ansible.
- Ability to troubleshoot complex container and infrastructure issues.
- Comfortable working in hybrid mode and in 24/5 shifts with weekend on-call.
- Good collaboration and communication skills to work with cross-functional teams
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