With its business applications, IONOS is one of the leading hosting and cloud applications providers in Europe. With our state-of-the-art technologies, we convince more than 8 million customers in many different countries every day.

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 fix 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.