OpenShift Platform Engineer | AWS, Kubernetes, GitOps

PERSOL SINGAPORE PTE. LTD.; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

PERSOL SINGAPORE PTE. LTD. is seeking an OpenShift Platform Engineer to Administer, monitor, and maintain OpenShift clusters and related resources. You will work with CI/CD and GitOps tooling to deploy containerized applications and support migrations, deployments, and incident response.

The role requires hands-on OCP 4.x experience, knowledge of Kubernetes and Linux, and familiarity with AWS/ROSA. Collaboration with development, infra, and security teams is essential.

Qualifications

• Hands-on experience in Red Hat OpenShift (OCP) 4.x administration, including cluster maintenance, upgrades, patching and troubleshooting.
• Knowledge of Kubernetes, container technologies and Linux/RHEL administration.
• Experience managing OpenShift resources.
• Experience with AWS/ROSA and cloud-based OpenShift environments is preferred.
• Familiarity with CI/CD and GitOps tools such as Jenkins, Argo CD, Helm, Kustomize, Git, Prometheus or Grafana is an advantage.

Responsibilities

• Administer, monitor, and maintain OpenShift clusters for high availability, performance, and reliability.
• Provision and manage OpenShift resources (Projects, Namespaces, RBAC, Routes, Services, ConfigMaps, Secrets, PVs).
• Perform cluster installation, upgrades, patching, certificate renewals, and routine maintenance.
• Deploy and manage containerized apps using CI/CD and GitOps tools (Jenkins, Argo CD, Helm, Kustomize).
• Support onboarding, migrations, and production deployments with dev, infra, & security teams.
• Participate in incident management, RCA, change, DR, and capacity planning.
• Maintain technical docs, runbooks, and SOPs.

Skills

OpenShift Administration

Kubernetes

Linux / RHEL

CI/CD

GitOps

Documentation

Tools

Jenkins

Argo CD

Helm

Kustomize

Job description

PERSOL SINGAPORE PTE. LTD. is seeking an OpenShift Platform Engineer to Administer, monitor, and maintain OpenShift clusters and related resources. You will work with CI/CD and GitOps tooling to deploy containerized applications and support migrations, deployments, and incident response.

The role requires hands-on OCP 4.x experience, knowledge of Kubernetes and Linux, and familiarity with AWS/ROSA. Collaboration with development, infra, and security teams is essential.