Ubuntu Linux Kernel Test Engineer

Canonical·Home Based - APAC; Office Based - Beijing, China; Office Based - Taipei, Taiwan·29 мая

Ubuntu Linux Kernel Test Engineer

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Наша компания

Canonical is a pioneering tech firm that is at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open source projects and the platform for AI, IoT and the cloud, we are changing the world on a daily basis. We recruit on a global basis and set a very high standard for people joining the company. We expect excellence - in order to succeed, we need to be the best at what we do. Canonical has been a remote-first company since its inception in 2004. Work at Canonical is a step into the future, and will challenge you to think differently, work smarter, learn new skills, and raise your game. Canonical provides a unique window into the world of 21st-century digital business. Canonical is an equal opportunity employer We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products. Whatever your identity, we will give your application fair consideration. #LI-remote

Чем предстоит заниматься

Design, develop, and maintain comprehensive test plans covering functional correctness, stability, performance, and security for Ubuntu Linux kernels

Build and improve automated test infrastructure for continuous kernel quality validation across multiple kernel versions and architectures

Maintain long-lived test suites that evolve alongside Ubuntu’s many concurrently supported kernel versions spanning years of maintenance

Develop and maintain CI/CD pipelines for continuous kernel quality validation

Conduct performance benchmarking and regression detection across kernel releases

Measure and improve kernel code coverage, identifying gaps in test coverage and creating tests to address them

Execute and analyze stress tests covering CPU scheduling, memory management, I/O subsystems, networking, and filesystem workloads

Develop and maintain fuzzing harnesses to discover kernel vulnerabilities and reliability issues using tools such as syzkaller, Trinity, or custom fuzzers

Collaborate regularly and proactively with a globally distributed team

Contribute to upstream test suites and testing frameworks

Document test methodologies, results, and coverage gaps

Наши требования

Significant programming experience in Python

Experience with test frameworks such as LTP, kselftest, xfstests, stress-ng, fio, or similar

Experience designing and executing system-level tests: functional, stress, performance, or regression testing

Familiarity with CI/CD systems (Jenkins, GitHub CI, or similar)

Experience maintaining test suites over long periods, adapting to evolving software across multiple supported versions

Familiarity with Linux (Ubuntu or Debian preferred but not required), Linux kernel internals and subsystems

Experience with Linux systems administration and automation

Solid background with git

Well-organized, self-starting and able to deliver to fixed schedules

Professional written and spoken English with excellent communication skills

Ability to travel twice a year, for company events up to two weeks each

Familiarity with kernel fuzzing tools and techniques (e.g. syzkaller, Trinity, AFL, or custom harnesses)

Experience with code coverage instrumentation (e.g. gcov, kcov, LLVM source-based coverage)

Knowledge of kernel tracing and observability tools (e.g. ftrace, perf, bpftrace, eBPF)

Familiarity with static analysis tools (e.g. sparse, smatch, Coccinelle) as part of a testing workflow

Experience with fault injection frameworks (e.g. failslab, fail_make_request) for reliability testing

Prior experience with test infrastructure at scale (provisioning, orchestration, result aggregation)

Experience with Ubuntu/Debian packaging or Snap

Knowledge of virtualization technologies (KVM, QEMU) and container runtimes

Cloud infrastructure experience (AWS, GCP, Azure, or OpenStack)

Prior involvement with open source testing communities or projects

Мы предлагаем

Your base pay will depend on various factors including your geographical location, level of experience, knowledge and skills. In addition to the benefits above, certain roles are also eligible for additional benefits and rewards including annual bonuses and sales incentives based on revenue or utilisation. Our compensation philosophy is to ensure equity right across our global workforce

In addition to a competitive base pay, we provide all team members with additional benefits, which reflect our values and ideals. Please note that additional benefits may apply depending on the work location and, for more information on these, you can ask in the later stages of the recruitment process

Fully remote working environment - we’ve been working remotely since 2004!

Personal learning and development budget of 2,000USD per annum

Annual compensation review

Recognition rewards

Annual holiday leave

Parental Leave

Employee Assistance Programme

Opportunity to travel to new locations to meet colleagues at ‘sprints’

Priority Pass for travel and travel upgrades for long haul company events

Canonical

Home Based - APAC; Office Based - Beijing, China; Office Based - Taipei, Taiwan

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Опубликовано29 мая

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