Linux Virtualization Developer (f/m/d) - QEMU/KVM

At IONOS, the leading European provider of cloud infrastructure, cloud services and hosting services, you will work together with a wide range of teams. We are characterized by open structures, a friendly working culture and flat hierarchies with a strong team spirit. We firmly believe that work and fun are compatible, and offer you the right environment for this. Our constant growth means that we are always looking for new colleagues. Become part of IONOS and grow with us.

Your Tasks:

• Optimize and debug our QEMU/KVM solution for our virtual data center environment to achieve best stability.
• Plan seamless upgrades for the existing stack and help make them happen.
• Plan, design and execute transformation from other virtualization solutions to our QEMU/KVM stack.
• Get involved in development from conceptual design to implementation and to the deployment strategy.
• Together with our QA Automation Engineers, draft and execute test plans for features, performance, load, stress, endurance and security, including fault injection.
• Give back to the community: bring in-house contributions upstream and help x upstream bugs.

We Appreciate:

• Proven track record of upstream Qemu and Linux kernel (KVM) contributions.
• Being fluent in Bash or Python, Rust is a big advantage.
• Good knowledge in analyzing and documenting software bugs.
• Experience with the x86_64 CPU architecture, ARM is an advantage.
• Being innovative, present new ideas about features, performance and stability.
• Communication and presentation skills.
• Fluent in English.

About IONOS

IONOS is Europe's leading platform for cloud services and hosting services. We successfully support our customers in their business development.

More than 4000 employees in several countries around the world are working to meet the requirements and wishes of our 8.5 million customers.

We promote the development of our employees and their different talents, interests and languages.

We value diversity and welcome all applications - regardless of, for example, gender, nationality, ethnic or social origin, religion, disability, age as well as sexual orientation and identity, physical characteristics, marital status or any other irrelevant factor subject to applicable law.