Job Description

Key Requirements

1. RHEL System Administration – Essential

Hands-on experience administering RHEL 8/9 in enterprise production environments.

Strong knowledge of OS patching, package management (dnf/yum), SELinux, and system hardening.

Experience with RHEL EUS lifecycle management and version upgrades.

Familiarity with RHEL subscription management, Red Hat Satellite, and image-based deployments such as RHEL Image Mode/Bootc.

2. OpenShift Container Platform (OCP) Administration – Essential

Hands-on experience deploying, configuring, and administering OCP 4.x clusters.

Experience with Day-2 operations, including node management, Machine Config Operator (MCO), cluster upgrades, certificate management, and resource quotas.

Knowledge of OCP networking, storage, and RBAC.

Experience with OCP security hardening, including SCC and network policies.

Familiarity with Quay registry administration and mirror registry setup for restricted or air-gapped environments.

3. Enterprise Container & Integration Platforms

Experience designing or supporting containerised architectures using OCP/Kubernetes.

Working knowledge of IBM MQ, including queue manager administration, channel configuration, troubleshooting, and HA.

Understanding of microservices architecture, API gateway integration, and container image lifecycle management.

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U3 INFOTECH PTE. LTD.

RHEL & OpenShift Platform Engineer

Job Description

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u3 infotech pte. ltd.