Unison Group
Site Reliability Engineer (SRE) - OpenShift & Release
Unison GroupSingapore17 days ago
Full-timeOther
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

Key Skills

Ranked by relevance
Apply