- 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
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