RHEL Linux Validation Engineer: Automation & Testing

AMBITION GROUP SINGAPORE PTE. LTD.; Singapore; On-site; SGD 100,000 - 134,000; Full time

Job summary

Ambition Group Singapore Pte. Ltd. seeks a Linux Validation Engineer to design and execute automated validation processes for enterprise Linux platforms.

You will develop test frameworks, run end-to-end validation, and ensure patching, hardening, clustering, and core services meet quality and compliance standards. Responsibilities include integrating with Platform Engineering, DevOps, and Security teams, maintaining testing artifacts, and supporting on-prem and cloud environments.

Qualifications

• Bachelor's degree in CS/IT/Engineering or related field.
• Strong hands-on experience administering Red Hat Enterprise Linux (RHEL 7/8/9/10).
• Experience with Linux clustering technologies (Pacemaker or equivalent).
• Proficiency in Python, Ansible, Bash, JSON, and YAML scripting and automation.
• Experience developing and maintaining automated test frameworks and validation solutions.
• Strong understanding of patching, hardening, and validation processes.
• Knowledge of cloud and virtualization technologies, orchestration & workflow automation.
• Experience with Agile methodologies and tools such as JIRA.
• Familiarity with test management and defect tracking tools.
• Strong documentation, analytical, troubleshooting and problem-solving skills.

Responsibilities

• Perform end-to-end validation of Linux OS builds, including patching, hardening, clustering, and core services.
• Execute functional, regression, integration, and system testing to verify stability and performance.
• Validate patch releases to ensure production readiness.
• Investigate test failures, analyze defects, identify root causes, and collaborate on resolutions.
• Develop, enhance, and maintain automated test frameworks and Ansible playbooks.
• Ensure systems meet quality, security, compliance, and operational standards before deployment.
• Capture and maintain test evidence, logs, validation reports, and traceability records.
• Support validation activities across on-premises and cloud environments.
• Collaborate with Platform Engineering, DevOps, Security and Operations to maintain standards.

Skills

Python scripting

Ansible

Bash

JSON

YAML

Automated testing

RHEL admin

Linux clustering

JIRA

Test management

Documentation

Analytical skills

Education

Bachelor's degree in Computer Science / Information Technology / Engineering

Tools

Pacemaker

OpenText ALM/Octane

JIRA

Job description

Ambition Group Singapore Pte. Ltd. seeks a Linux Validation Engineer to design and execute automated validation processes for enterprise Linux platforms.

You will develop test frameworks, run end-to-end validation, and ensure patching, hardening, clustering, and core services meet quality and compliance standards. Responsibilities include integrating with Platform Engineering, DevOps, and Security teams, maintaining testing artifacts, and supporting on-prem and cloud environments.