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Canonical company · OPEN ROLE
- Company
- Makes the Ubuntu Linux distribution and helps enterprises adopt open source infrastructure.
- Role
- Builds kernel test plans and verifies the quality of Ubuntu Linux.
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What you will do
We rewrote the responsibilities and qualifications in plain language instead of copying the original posting.
Responsibilities
- Design test plans that verify Ubuntu kernels are functionally correct, stable, fast, and secure across many releases.
- Build and improve automated test infrastructure that checks kernel quality across versions and architectures.
- Set up and keep up CI/CD pipelines for ongoing kernel checks.
- Benchmark performance and catch regressions across kernel releases.
- Run and study stress tests covering CPU scheduling, memory, I/O, networking, and filesystem workloads.
- Write fuzzing harnesses with tools like syzkaller to uncover kernel vulnerabilities and reliability issues.
What you need
- Have strong hands-on Python skills.
- Know your way around frameworks like LTP, kselftest, xfstests, stress-ng, and fio.
- Have designed and run system-level tests, including functional, stress, performance, and regression testing.
- Are comfortable with CI/CD systems such as Jenkins.
- Understand Linux kernel internals and subsystems.
- Communicate professionally in English, written and spoken.
Good to have
- Know kernel fuzzing tools like syzkaller, Trinity, or AFL.
- Have worked with code coverage tooling such as gcov or kcov.
- Know kernel tracing tools like ftrace, perf, or eBPF.
- Understand virtualization such as KVM, QEMU, or container runtimes.
- Have experience with cloud infrastructure such as AWS, GCP, Azure, or OpenStack.
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Checked 2026-10-19
CanonicalUbuntu Linux Kernel Test EngineerStart a mock application