Red Hat OpenShift Platform Engineer (RHEL Patching, CyberArk, Satellite, Ansible tower)

EVYONIC SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

EVYONIC SOLUTIONS PTE. LTD. seeks a senior Linux/Platform Engineer to manage enterprise Linux and OpenShift environments in Singapore.

You will role-play a hands-on position focusing on stability, automation, and security across multiple clusters and VMware-backed infrastructure. Your responsibilities include patching, lifecycle management, and writing Ansible playbooks to automate routine tasks, with collaboration across network, storage, and security teams.

Qualifications

• 5+ years of experience in Linux/RHEL administration or platform engineering.
• Strong hands-on experience with Red Hat Enterprise Linux in enterprise environments.
• Production experience with Red Hat OpenShift Container Platform (OCP).
• Good working knowledge of Kubernetes and container technologies.
• Hands-on Ansible for automation and configuration management.
• Experience with Red Hat Satellite and lifecycle management.
• RHEL patching, upgrades, and system hardening.
• Experience with LVM, filesystem and disk administration.
• Experience supporting VMware-based infrastructure.
• Shell or Python scripting experience.
• Experience with NFS, DNS, FTP, DHCP in enterprise Linux environments.

Responsibilities

• Administer and maintain enterprise Linux platforms across environments.
• Support OpenShift clusters and containerized workloads for availability and health.
• Troubleshoot OpenShift nodes, pods, deployments, services, networking and storage.
• Patch, upgrade, and configure Linux systems per standards.
• Manage Red Hat Satellite for registration, repos, patches & lifecycle.
• Create and maintain Ansible playbooks to automate tasks.
• Administer Linux storage including LVM and filesystems.
• Support VMware-based virtual infrastructure.
• Monitor environments for performance and capacity.
• Troubleshoot Linux, OpenShift/Kubernetes, networking, storage, and services.
• Apply security hardening and assist with remediation and compliance.
• Collaborate with cross-functional teams to resolve platform issues.
• Use Shell/Python scripting to automate repetitive tasks.

Skills

Linux administration

OpenShift

Kubernetes

Ansible

Scripting (Shell/Python)

VMware

Patch management

Networking

Storage management

Troubleshooting

Tools

Red Hat Satellite

LVM

Filesystem management

Docker

Job description

Responsibilities

• Administer and maintain enterprise Linux platforms, with primary focus on RHEL-based infrastructure across multiple environments.
• Support the availability and operational health of Red Hat OpenShift clusters and containerized workloads.
• Troubleshoot issues affecting OpenShift nodes, pods, deployments, services, networking, and persistent storage.
• Perform Linux OS patching, upgrades, package management, and configuration activities in accordance with infrastructure standards.
• Manage Red Hat Satellite for system registration, repository management, patch deployment, and Linux lifecycle operations.
• Create and maintain Ansible playbooks to automate routine Linux administration, configuration, and operational activities.
• Administer Linux storage components including LVM, filesystems, partitions, and disk resources.
• Support enterprise virtual machines and infrastructure hosted on VMware environments.
• Monitor Linux and OpenShift environments for availability, capacity, resource utilization, and performance issues.
• Perform Linux troubleshooting involving kernel, CPU, memory, filesystem, networking, and system services.
• Apply security hardening practices and assist with vulnerability remediation and compliance-related activities.
• Support infrastructure changes, platform upgrades, migrations, and production incident resolution.
• Work with application, network, storage, security, and other infrastructure teams to resolve complex platform issues.
• Use Shell/Python scripting where required to simplify administration and repetitive operational tasks.

Requirements

• 5+ years of experience in Linux/RHEL administration, infrastructure engineering, or platform engineering.
• Strong hands‑on experience with Red Hat Enterprise Linux in enterprise environments.
• Production experience with Red Hat OpenShift Container Platform (OCP).
• Good working experience with Kubernetes and container technologies.
• Hands‑on experience with Ansible for infrastructure automation and configuration management.
• Experience with Red Hat Satellite and enterprise Linux patch/lifecycle management.
• Experience in RHEL patching, upgrades, package management, and system hardening.
• Hands‑on experience with LVM, filesystem and disk administration.
• Experience supporting VMware‑based virtual infrastructure.
• Strong troubleshooting capability across Linux, OpenShift/Kubernetes, networking, storage, and system services.
• Experience in Docker or other container technologies.
• Experience in Shell or Python scripting.
• Experience with NFS, DNS, FTP, and DHCP services in enterprise Linux environments.
• Experience working in production environments with incident, change, and problem management processes.