Site Reliability Engineer (SRE) - OpenShift & Release

Unison Consulting Pte Ltd; Singapore; On-site; SGD 80,000 - 110,000; Full time

Job summary

A leading consulting firm in Singapore is seeking an experienced DevOps & Release Management Engineer to manage patching, infrastructure upgrades, and OpenShift platforms. The ideal candidate will have expertise in Linux, automation, CI/CD, and must excel in cross-functional collaboration to ensure efficient application delivery. Responsibilities include managing patch strategies, overseeing software releases, and maintaining system performance.

Qualifications

• Strong experience in OpenShift or Kubernetes administration.
• Hands-on experience with patch management and infrastructure updates.
• Good understanding of Linux systems, networking, and security concepts.

Responsibilities

• Implement and manage comprehensive patch management strategies.
• Deploy, manage, and maintain OpenShift Container Platform (OCP) clusters.
• Lead the planning, coordination, and execution of software releases.

Skills

OpenShift or Kubernetes administration

Patch management and infrastructure updates

Linux systems

Networking and security concepts

CI/CD pipelines

Automation and DevOps tools

Git and version control

Troubleshooting and problem-solving

Cross-functional teamwork

Job description

Overview

We are looking for an experienced DevOps & Release Management Engineer to manage patching, infrastructure upgrades, OpenShift platforms, and enterprise-scale release processes. The ideal candidate will have strong expertise in Linux, container platforms, automation, CI/CD, and cross-functional collaboration to ensure secure, stable, and efficient application delivery.

Key Responsibilities

Patch & Infrastructure Management

• Implement and manage comprehensive patch management strategies for operating systems, applications, and network devices to ensure security and compliance.
• Plan, execute, and oversee infrastructure upgrades across hardware, software, and network components while minimizing downtime and ensuring compatibility.
• Develop and enhance pre- and post-patching processes to ensure zero-disruption execution and risk-based patch prioritization.
• Support Linux environment scaling, tuning, automation, patching, and compliance auditing.
• Administer and maintain operating systems, network infrastructure, and security patches.

OpenShift (OCP) Administration

• Deploy, manage, and maintain OpenShift Container Platform (OCP) clusters, including installation, configuration, scaling, and troubleshooting.
• Perform OpenShift cluster maintenance such as upgrades, patching, monitoring, and performance optimization.
• Monitor cluster health and ensure high availability, reliability, and compliance with enterprise standards.

Network & Systems Operations

• Monitor and manage network performance, capacity, and security.
• Troubleshoot network, hardware, and software-related issues to ensure business continuity.
• Ensure all network changes and upgrades comply with security policies, best practices, and organizational standards.

Release Management

• Lead the planning, coordination, and execution of software releases across environments and teams.
• Develop and manage release plans, schedules, and budgets aligned with business goals.
• Design and implement automated build, test, and deployment pipelines to accelerate software delivery.
• Manage and maintain version control systems (e.g., Git), ensuring proper branching, merging, and tagging strategies.
• Coordinate release activities with Development, QA, and Operations to ensure smooth and timely deployments.
• Troubleshoot build and deployment failures, identifying root causes and implementing preventive actions.
• Maintain clear and updated documentation of release processes, pipelines, and tools.
• Implement and enforce CI/CD best practices to ensure consistency and reliability.
• Monitor production environments post-release to ensure stability and address immediate issues when required.
• Manage risks impacting release scope, schedule, and quality, escalating issues when necessary.
• Ensure adherence to technical standards and governance requirements, including prototype vehicle build support when applicable.
• Lead complex deployments in distributed, load-balanced, and service-oriented architectures.

Required Skills & Experience

• Strong experience in OpenShift or Kubernetes administration
• Hands-on experience with patch management and infrastructure updates
• Good understanding of Linux systems, networking, and security concepts
• Expertise in CI/CD pipelines, automation, and DevOps tools
• Proficiency in Git and version control management
• Strong troubleshooting and problem-solving skills
• Ability to work in cross-functional teams and manage release cycles end-to-end