Red Hat OpenShift Platform Engineer (Kubernetes, AWS, RHEL, Cluster Administration)

NOVACLOUD SYSTEMS PTE. LTD.; Singapore; On-site; SGD 100,000 - 140,000; Full time

Job summary

NOVACLOUD SYSTEMS PTE. LTD. is seeking a Platform Engineer to administer and support enterprise OpenShift and Kubernetes environments across production and non-production.

You will manage cluster health, workloads, nodes, services, and lifecycle activities, and collaborate with teams to resolve complex platform issues. The role involves provisioning, upgrades, maintenance, and operational validation, plus automating tasks, monitoring health, and contributing to security and incident response

Qualifications

• 3+ years in Linux infra, platform engineering or cloud ops.
• Hands-on OpenShift administration in production.
• Experience managing Kubernetes clusters and networking.
• AWS infrastructure experience including IAM and STS.
• RHEL/Linux admin in enterprise environments.
• OpenShift/Kubernetes upgrades, provisioning and lifecycle.
• Troubleshooting production issues: nodes, networking, certificates.
• Container tech experience, RBAC and security.
• CI/CD, GitOps or infra automation.
• On-call support for production incidents.
• Red Hat certifications preferred.

Responsibilities

• Administer and support enterprise OpenShift and Kubernetes across prod and non-prod.
• Manage cluster health, workloads, nodes, services, and lifecycle.
• Provision, configure, upgrade, and validate clusters.
• Support container workloads and troubleshoot platform issues.
• Maintain OpenShift environments on AWS and cloud dependencies.
• Linux system administration for container platform ops.
• Automate infra tasks using config management and scripting.
• Monitor platform availability, resources, alerts, health.
• Support security: access controls, RBAC, certificates, remediations.
• Participate in incident response, RCA, release validation, prod support.
• Collaborate with infra, app, and eng teams to improve reliability.

Skills

Linux infra

OpenShift admin

Kubernetes

AWS cloud

RHEL/Linux

Upgrades & lifecycle

CI/CD / GitOps

Incident response

On-call support

Scripting / CM

Tools

OpenShift

Kubernetes

AWS

Job description

Responsibilities

• Administer and support enterprise OpenShift and Kubernetes platforms across production and non-production environments.
• Manage cluster health, workloads, nodes, platform services, and lifecycle activities.
• Perform cluster provisioning, configuration, upgrades, maintenance, and operational validation.
• Support containerized workloads and troubleshoot platform-level issues involving networking, certificates, authentication, and cluster components.
• Maintain reliable OpenShift environments running on AWS infrastructure and troubleshoot dependencies between cloud and container platforms.
• Perform Linux system administration activities supporting container platform operations.
• Automate routine infrastructure and platform administration tasks using configuration-management and scripting tools.
• Monitor platform availability, resource utilization, alerts, and operational health.
• Support security and compliance activities including access controls, RBAC, certificates, vulnerability remediation, and configuration standards.
• Participate in incident response, root-cause analysis, release validation, and production support.
• Collaborate with infrastructure, application, and engineering teams to resolve complex platform issues and improve operational reliability.

Requirements

• 3+ years of experience in Linux infrastructure, platform engineering, cloud operations, or containerized environments.
• Strong hands-on experience with Red Hat OpenShift administration in enterprise or production environments.
• Hands-on experience managing and troubleshooting Kubernetes environments, including clusters, workloads,services, and networking.
• Practical experience supporting AWS cloud infrastructure, including IAM, STS, and cloud access mechanisms.
• Experience in RHEL/Linux administrationand troubleshooting in enterprise environments.
• Experience managing OpenShift/Kubernetes cluster upgrades, maintenance, provisioning, and lifecycle operations.
• Experience in troubleshooting production issues involving nodes, workloads, networking, certificates, resource utilization, and platform services.
• Experience in container technologies, RBAC, platform security, and configuration management.
• Experience with monitoring, alerting, incident handling, and root-cause analysis in production environments.
• Experience in CI/CD, GitOps, or infrastructure automation practices.
• Ability to participate in on-call support and handle critical production incidents.
• Red Hat certifications are preferred.