Linux Kernel Developer/Maintainer (f/m/d) Full-time

Published at 2022-07-14 - Viewed: 810 times - IONOS SE in Berlin (DE), Germany

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

  • 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 fix 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 InfiniBand technology.
  • Being innovative, present new ideas about features, performance and stability.
  • Communication and presentation skills.
  • Fluent in English.


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