Linux Test Engineer

IBM; Bengaluru; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

IBM's Linux Technology Centre seeks a Linux Kernel Verification Engineer to validate kernel modules, virtualization components, the security stack, and related systems across Linux distributions on IBM Power platforms. You will craft automated regression tests, contribute to upstream projects, and drive quality through AI-assisted test techniques.

The role requires strong Linux internals knowledge, Python and shell scripting, and hands-on testing in a DevOps-enabled environment.

Qualifications

• 3 to 10 years of relevant industry experience.
• Strong programming skills in Python and Shell scripting.
• Working knowledge of C/C++.
• Hands-on development, testing, or validation experience on Linux platforms.
• Strong understanding of Linux OS internals.
• Strong Linux debugging and troubleshooting skills.
• Experience in Systems Testing and Functional Verification Testing.
• Experience in Test Automation and CI/CD environments.
• Understanding of DevOps methodologies and practices.
• Experience working with open-source software and communities.
• Knowledge of Linux security concepts, vulnerability management, and secure software development practices.
• Familiarity with CVE analysis, security patch validation, and vulnerability testing.
• Working knowledge of computer architecture and operating system concepts.
• Excellent verbal and written communication skills.

Responsibilities

• Validation of Linux kernel modules, operating system features, and virtualization components on upstream and enterprise Linux distribution releases.
• Design, development, automation, and execution of functional, regression test cases.
• Validation of Linux security features, kernel hardening capabilities, and security fixes.
• Verification and testing of Linux security advisories, CVE fixes, vulnerability remediations, and security-related kernel updates.
• Identification, diagnosis, troubleshooting, and root-cause analysis of software defects.
• Working closely with development teams to accelerate issue resolution and software integration.
• Development and maintenance of automated test frameworks and continuous testing infrastructure.
• Validation of fixes and contribution to upstream enablement activities where applicable.
• Participation in Linux kernel test activities and open-source quality initiatives.
• Development of AI-assisted approaches to improve test coverage, defect prediction, test generation, and overall test efficiency.
• Continuous improvement of test methodologies, automation frameworks, and quality processes.

Skills

Python

Shell scripting

C/C++

Linux OS internals

Linux debugging

Test automation

CI/CD

DevOps

Open-source

CVE analysis

Education

Master's Degree

Tools

Git

Docker

Podman

Kubernetes

PowerVM

Job description

Introduction

The Linux Technology Centre is hiring for our

The Linux Technology Centre is hiring for our Linux Kernel Verification Team. As a Linux Test Engineer, you will contribute to the validation of Linux operating systems, kernel technologies, virtualization solutions, and security features across current and next-generation IBM Power Systems.

This role offers the opportunity to work across the entire software development lifecycle, collaborating with a highly skilled team focused on Linux, open-source technologies, kernel development, system software validation, and test automation. You will gain hands-on experience with IBM Power architecture, Linux kernel internals, server virtualization, Linux security technologies, automation frameworks, simulators, and emerging AI-driven quality engineering methodologies.

Your Role And Responsibilities

• Validation of Linux kernel modules, operating system features, and virtualization components on upstream and enterprise Linux distribution releases.
• Design, development, automation, and execution of functional, regression test cases.
• Validation of Linux security features, kernel hardening capabilities, and security fixes.
• Verification and testing of Linux security advisories, CVE fixes, vulnerability remediations, and security-related kernel updates.
• Identification, diagnosis, troubleshooting, and root-cause analysis of software defects.
• Working closely with development teams to accelerate issue resolution and software integration.
• Development and maintenance of automated test frameworks and continuous testing infrastructure.
• Validation of fixes and contribution to upstream enablement activities where applicable.
• Participation in Linux kernel test activities and open-source quality initiatives.
• Development of AI-assisted approaches to improve test coverage, defect prediction, test generation, and overall test efficiency.
• Continuous improvement of test methodologies, automation frameworks, and quality processes.

Preferred Education

Master's Degree

Required Technical And Professional Expertise

• 3 to 10 years of relevant industry experience.
• Strong programming skills in Python and Shell scripting.
• Working knowledge of C/C++.
• Hands-on development, testing, or validation experience on Linux platforms.
• Strong understanding of Linux OS internals.
• Strong Linux debugging and troubleshooting skills.
• Experience in Systems Testing and Functional Verification Testing.
• Experience in Test Automation and CI/CD environments.
• Understanding of DevOps methodologies and practices.
• Experience working with open-source software and communities.
• Knowledge of Linux security concepts, vulnerability management, and secure software development practices.
• Familiarity with CVE analysis, security patch validation, and vulnerability testing.
• Working knowledge of computer architecture and operating system concepts.
• Excellent verbal and written communication skills.

Preferred Technical And Professional Experience

• Virtualization technologies (KVM, PowerVM, Containers).
• Storage, Networking, and I/O subsystem validation.
• Advanced knowledge of Linux Kernel and Operating System Internals.
• Linux Security technologies such as: Secure Boot ,Kernel Hardening, Cryptography Frameworks
• Experience with CVE validation, security regression testing, vulnerability assessment, and penetration-testing methodologies.
• Experience working with upstream open-source projects using Git and community contribution workflows.
• Knowledge of IBM Power Systems Architecture and Software Stack.
• Experience developing and maintaining test automation frameworks.
• Container technologies such as Docker, Podman, and Kubernetes.
• Exposure to AI/ML methodologies applied to software quality engineering and test automation.