Linux Kernel Developer/Maintainer (f/m/d)

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:

• Optimise and debug our kernel and RNBD storage backend solutions for our virtual data centre environment to achieve the best stability.
• Plan seamless kernel upgrades for the existing stack and help make them happen.
• Get involved in development from conceptual design to implementation and to the deployment strategy in close cooperation with other teams.
• 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.
• Grow your peers in terms of development and testing expertise.

We Appreciate:

• Proven track record of upstream Linux kernel (KVM, storage or network) contributions.
• Being fluent in Bash, Python or Rust.
• Experience with the x86_64 CPU architecture, including analyzing and documenting software bugs. ARM is an advantage.
• Good knowledge of the kernel memory and processing stacks is an advantage, the same for In niBand technology.
• 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.