Senior or Principal Software Engineer - Red Hat Linux Virtualization (Brno Office, Czech Republic)

The Red Hat Linux Virtualization team is looking for a Senior Software Engineer / Principal Software Engineer with a deep passion for system-level engineering and low-level operating system components. The team is responsible for all aspects related to virtualization in Red Hat Enterprise Linux, including system, firmware, and device emulation, as well as their counterpart aspects in the guest instance on top of Red Hat or third-party virtualized platforms.

We are seeking a specialist in the validation and automated testing of the low-level virtualization stack. In this role, you will drive the Continuous Integration and Continuous Delivery (CI/CD) strategy for our virtualization components, ensuring that quality is "shifted left" into the development process.

In this position, you will contribute to industry-leading technologies like Red Hat Enterprise Linux, Red Hat OpenShift Virtualization and community distributions such as CentOS Stream and Fedora. As part of a geographically distributed team, you will collaborate with multiple Red Hat engineering teams and open-source communities around the globe. This position offers an excellent opportunity to work alongside and learn from some of the brightest engineers in the open-source industry.

If you have a profile that will match the requirements, we are keen to talk to you, share your details.

What you will do

• Lead the architecture and implementation of continuous integration pipelines (using tools like Jenkins.
• Design, develop, and maintain robust test frameworks ensuring these frameworks are scalable, reliable, and easily consumable by the team.
• Triage complex system failures. Analyze kernel panics, core dumps, and QEMU logs to identify root causes and distinguish between automation issues and product bugs.
• Develop tooling to track regression in hypervisor latency, throughput, and boot times across kernel updates.
• Work effectively as part of a distributed, agile team with remote members.

What you will bring

• 5+ or 8+ years of experience in testing virtualization stack and related technologies. 
• Strong proficiency with Python and automated testing technologies such as Jenkins, or equivalent.
• Experience with software testing concepts and frameworks like the Avocado Testing Framework, pytest, or similar.
• Working experience in linux testing and debugging.
• Excellent written and verbal communication skills in English.
• Bachelor's degree in Computer Science, Computer Engineering, or a related field; an advanced degree is a plus.

Considered a plus

• Experience with the core Linux Virtualization stack (KVM, QEMU, Libvirt).
• Experience with multiple hardware platforms (e.g., x86, ARM64, s390x, RISC-V).
• Understanding of open-source development processes and/or a history of active open-source contributions.
• Prior experience of speaking at conferences, or publishing technical blogs/articles, and patents.

About Red Hat

Red Hat is the world’s leading provider of enterprise open source software solutions, using a community-powered approach to deliver high-performing Linux, cloud, container, and Kubernetes technologies. Spread across 40+ countries, our associates work flexibly across work environments, from in-office, to office-flex, to fully remote, depending on the requirements of their role. Red Hatters are encouraged to bring their best ideas, no matter their title or tenure. We're a leader in open source because of our open and inclusive environment. We hire creative, passionate people ready to contribute their ideas, help solve complex problems, and make an impact.

Inclusion at Red Hat
Red Hat’s culture is built on the open source principles of transparency, collaboration, and inclusion, where the best ideas can come from anywhere and anyone. When this is realized, it empowers people from different backgrounds, perspectives, and experiences to come together to share ideas, challenge the status quo, and drive innovation. Our aspiration is that everyone experiences this culture with equal opportunity and access, and that all voices are not only heard but also celebrated. We hope you will join our celebration, and we welcome and encourage applicants from all the beautiful dimensions that compose our global village.

Equal Opportunity Policy (EEO)
Red Hat is proud to be an equal opportunity workplace and an affirmative action employer. We review applications for employment without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, ancestry, citizenship, age, veteran status, genetic information, physical or mental disability, medical condition, marital status, or any other basis prohibited by law.

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