OpenShift Administrator - Multi-Cloud, Secure Clusters

EXPRESS PTE. LTD.

Singapore

On-site

SGD 120,000 - 180,000

Full time

5 days ago

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Job summary

EXPRESS PTE. LTD. in Singapore seeks a senior OpenShift Administrator to deploy, upgrade, and manage OpenShift 4.x clusters across multi-cloud environments. You will configure RBAC/SCCs, manage Linux infra, and drive day-2 operations with automation via MCO.

Ideal candidate has 6+ years in OpenShift administration, strong RHEL/Kubernetes skills, and hands-on experience with IaC, CI/CD, Service Mesh, and GitOps practices.

Qualifications

6+ years in OpenShift administration.
Bachelor's degree or equivalent.
Strong Linux (RHEL) and Kubernetes knowledge.
Experience across multi-cloud OpenShift clusters.
Experience with IaC, automation, CI/CD pipelines.
OpenShift platform modernization with Service Mesh, GitOps.

Responsibilities

Deploy, upgrade, and manage OpenShift 4.x clusters, including control planes, worker nodes, and day-2 operations.
Configure RBAC, SCCs, and network policies.
Handle Linux infrastructure, OS patching, storage provisioning (PV/PVC), and MCO automation.
Monitor cluster health, inspect pod logs, and resolve runtime errors like image pull or OOM failures.

Skills

Linux & Kubernetes

Networking & Storage

OpenShift multi-cluster

GitOps & CI/CD

Education

Bachelor's degree

Tools

Machine Config Operator (MCO)

Quay

Service Mesh

Serverless frameworks

IaC/Automation tools

Job description

Ideal candidate has 6+ years in OpenShift administration, strong RHEL/Kubernetes skills, and hands-on experience with IaC, CI/CD, Service Mesh, and GitOps practices.

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