RHEL & OpenShift Platform Engineer: Enterprise-Grade Ops

AVENSYS CONSULTING PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

AVENSYS CONSULTING PTE. LTD. is hiring a TA and Platform Engineer (RHEL & OCP Specialist) in Singapore. The role focuses on RHEL platform management and OpenShift cluster administration to support enterprise workloads.

Responsibilities include patch management, OS hardening, and integrating application platforms while ensuring secure, scalable infrastructure across DEV, SIT, UAT, and PROD environments.

Qualifications

• Hands-on experience administering RHEL 8/9 in enterprise environments.
• Experience with RHEL EUS lifecycle management and upgrades.
• Experience deploying and managing OpenShift Container Platform 4.x clusters.
• Knowledge of RHEL subscription management and satellite/image registries.

Responsibilities

• Own and manage RHEL OS fleet underpinning OCP nodes and app servers.
• Plan and execute RHEL patch cycles with minimal disruption.
• Implement OS hardening: SELinux, firewalld, auditd, crypto policies.
• Manage OCP clusters, MCO configurations, and node lifecycle.
• Administer Quay mirror registry and image security scanning.
• Support container provisioning and deployment across DEV/SIT/UAT/PROD.

Skills

RHEL platform management

OCP administration

OS hardening

Troubleshooting

CI/CD/DevSecOps

Tools

RHEL 8/9

EUS lifecycle

Satellite

Quay registry

MCO (Machine Config Operator)

HAProxy

RBAC/SCC

OCP 4.x

Job description

AVENSYS CONSULTING PTE. LTD. is hiring a TA and Platform Engineer (RHEL & OCP Specialist) in Singapore. The role focuses on RHEL platform management and OpenShift cluster administration to support enterprise workloads.

Responsibilities include patch management, OS hardening, and integrating application platforms while ensuring secure, scalable infrastructure across DEV, SIT, UAT, and PROD environments.