- Singapore
Working Location
Job Description
Responsibilities
Description
Redhat OCP certification.
Sharing the detailed scope:
Key Responsibilities
1. OpenShift Platform Engineering
Design and implement OCP cluster architecture, including multi-tenancy models (namespace isolation, network policies, resource quotas, RBAC per business unit/tenant)
Perform end-to-end node installation and configuration (master/control plane, worker, infra nodes) across bare-metal, virtualized (VMware), or hybrid environments
Plan and execute cluster upgrades (minor and major versions) with minimal downtime, including operator compatibility validation and rollback planning
Manage cluster networking (SDN/OVN-Kubernetes), ingress/routes, and troubleshoot connectivity issues
Configure and manage persistent storage integration (ODF, NFS, CSI drivers, enterprise SAN/NAS) for stateful workloads, ensuring appropriate access modes (RWO/RWX) per application need
2. Linux Infrastructure Management
Install, configure, and harden RHEL/Linux systems underpinning OCP nodes and supporting infrastructure
Manage patch cycles (OS and security patching) across production and non-production environments, including air-gapped/isolated networks where applicable
Maintain system performance, capacity planning, and infrastructure documentation
3 DevOps & CI/CD
Design, implement, and manage CI/CD pipelines (Jenkins, Tekton, GitLab CI, or similar) for application deployment to OCP
Implement GitOps practices (ArgoCD/OpenShift GitOps) for declarative, version-controlled deployments across dev/staging/prod
Integrate security scanning (SAST/DAST/SCA, container image vulnerability scanning) into pipelines
Manage secrets securely within pipelines (Vault, Sealed Secrets, OCP-native secrets management)
Support release strategies (blue-green, canary) and rollback procedures
4 Automation
Develop and maintain Ansible playbooks/roles for OCP node provisioning, configuration management, and repetitive operational tasks
Drive automation-first practices to reduce manual intervention and improve consistency across environments
5. Security & Compliance
Apply CIS Benchmark hardening standards to OCP nodes, RHEL hosts, and container images
Conduct regular vulnerability assessments (infrastructure and image-level) and remediate findings within SLA
Pod security standards, and image signing/approval policies
Support audit and compliance requirements.
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