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Senior Kernel Engineer
SUSEOut of Home, Czechia, Czechiafull_timeVerifiedPosted 16 Jun 2025
About the role
<p></p><p><span>About Us</span></p><p></p><p><b><span>Always open. Our code, our culture, our opportunities. Leading open innovation without limits. We are SUSE.</span></b></p><p></p><p><span>SUSE is a global leader in innovative, reliable and secure enterprise open source solutions, including SUSE Linux Enterprise (SLE), Rancher and NeuVector. More than 60% of the Fortune 500 rely on SUSE to power their mission-critical workloads, enabling them to innovate everywhere – from the data center to the cloud, to the edge and beyond. SUSE puts the “open” back in open source, collaborating with partners and communities to give customers the agility to tackle innovation challenges today and the freedom to evolve their strategy and solutions tomorrow.</span> </p><p></p><p><span>We are open in our roots and open in our approach, striving to be the most trusted open innovator in the World. Openness extends beyond our technology. Our vibrant community thrives on diversity and connectivity without borders.</span></p>Senior Kernel Engineer<p> </p><p><span><b>Job Description</b></span></p><p> </p><p><span>The SUSE Kernel Performance team is seeking a </span><b>Senior Kernel Engineer</b><span> to play a crucial role in enhancing the performance and stability of the Linux kernel on the cutting-edge server platforms.</span></p><p></p><p><span>As a Senior Kernel Engineer on the Performance team, you'll directly impact the performance and stability of mission-critical workloads run by over 60% of Fortune 500 companies who rely on SUSE. You'll contribute to a robust open-source ecosystem, collaborating with the upstream Linux kernel community and other internal teams to deliver enterprise-grade solutions. This position offers the opportunity to work on complex, challenging problems, influencing the future of Linux on state-of-the-art server infrastructure. The team consists of leading Linux kernel experts collaborating closely, providing enhanced learning and growth opportunities.</span></p><p></p><p><b>Your core responsibilities will include:</b></p><ul><li><p><u>Kernel Maintenance</u><span>: Ensuring the ongoing stability and reliability of the Linux kernel used in SUSE's enterprise products. This involves addressing bugs, backporting fixes, and ensuring smooth operation across various hardware architectures.</span></p></li><li><p><u>Performance Regression Analysis</u><span>: Proactively identifying and resolving performance bottlenecks and regressions. You'll use your expertise to diagnose issues, analyze system behavior, and pinpoint the root causes of performance degradation.</span></p></li><li><p><u>Feature Development</u><span>: Innovating and implementing new features within the Linux kernel to meet evolving performance demands and support advanced server technologies.</span></p></li><li><p><u>Performance Improvement</u><span>: Continuously striving to optimize the Linux kernel for maximum efficiency and speed. This encompasses a wide range of tasks, from fine-tuning existing components to exploring novel approaches for performance enhancement.</span></p></li><li><p><u>Develop Scripts for Test Automation</u><span>: Design, implement, and maintain robust automated test scripts specifically for performance testing. This includes creating scenarios that accurately simulate real-world workloads and stress conditions to uncover performance issues.</span></p></li><li><p><u>Collaboration with QA and Support</u><span>: Work closely with QA teams to ensure comprehensive test coverage and to triage performance-related issues. You will also collaborate with support teams to assist in diagnosing and resolving critical customer-reported performance bugs, providing expert kernel-level insights.</span></p></li></ul><p><span><span> </span></span></p><p><b>SUSE typically looks for candidates with a strong background in:</b></p><ul><li><p><u>C Programming</u><span>: Excellent proficiency in C is essential for kernel development.</span></p></li><li><p><u>Linux Kernel Internals</u><span>: A deep understanding of at least one of the core kernel subsystems, including memory management, process scheduling, file systems, and networking.</span></p></li><li><p><u>Debugging and Analysis</u><span>: Expertise with kernel debugging tools and techniques, as well as tools for performance analysis and profiling.</span></p></li><li><p><u>Database Performance (Big Plus)</u><span>: Experience with optimizing and analyzing the performance of database systems on Linux is a significant advantage.</span></p></li><li><p><u>Scripting Languages</u><span>: Proficiency in scripting languages (e.g., Python, Bash) for test automation and data analysis.</span></p></li><li><p><u>Problem-Solving</u><span>: Strong analytical and troubleshooting skills to diagnose and resolve complex kernel-related issues.</span></p></li><li><p><u>Open Source Contribution</u><span>: Experience with open-source development practices, Git workflows, and a willingness to engage wit
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