Senior CPU Research & Kernel Engineer - HarmonyOS (Contractor)
About Huawei Research and Development UK Limited
Founded in 1987, Huawei is a leading global provider of information and communications technology (ICT) infrastructure and smart devices. We have 207,000 employees and operate in over 170 countries and regions, serving more than three billion people around the world.
Our vision and mission is to bring digital to every person, home and organization for a fully connected, intelligent world. To this end, we will drive ubiquitous connectivity and promote equal access to networks; bring cloud and artificial intelligence to all four corners of the earth to provide superior computing power where you need it, when you need it; build digital platforms to help all industries and organizations become more agile, efficient, and dynamic; redefine user experience with AI, making it more personalized for people in all aspects of their life, whether they’re at home, in the office, or on the go.
This spirit of innovation has led Huawei to work in close partnership with leading academic institutions in the UK to develop and refine the latest technologies. With a shared commitment to innovation and progress, both parties have worked together to achieve common goals and establish a strong partnership. The partnership between UK and Huawei help to develop the technologies of the future that will transform the way we all communicate, work and live.
For the past 30 years we have maintained an unwavering focus, rejecting shortcuts and easy opportunities that don't align with our core business. With a practical approach to everything we do, we concentrate our efforts and invest patiently to drive technological breakthroughs.
This strategic focus is a reflection of our core values:
- staying customer-centric,
- inspiring dedication,
- persevering,
- Growing by reflection
Huawei Research and Development UK Limited Overview
Huawei’s vision is a fully connected, intelligent world. To achieve this, we work to inspire passion for basic research around the world. Our combined passion drives development across the global innovation value chain. Huawei has the largest Research and Development organization in the world with 96,000+ employees in research centers around the globe. In the UK, we already have design centers in Cambridge, London, Edinburgh and Ipswich. We continue to explore and define new research directions and new services. We have expanded our collaborations with academic researchers; researched new network architectures, integration of communications and key enabling technologies; and developed the fundamental theories of these technologies. We invite you to join us on this exciting journey and drive your career forward.
Key Responsibilities:
- Research and develop CPU microarchitectural features optimized for HarmonyOS kernel and framework including ArkUI and ArkTS/JIT/AOT.
- Design, develop, and optimize core kernel subsystems for HarmonyOS including scheduler, memory management, and I/O subsystems.
- Design hardware-software co-optimization techniques to improve kernel performance and efficiency for HarmonyOS framework including ArkUI, ArkTS/JIT/AOT and Kotlin/JIT/AOT.
- Performance analysis and optimization of kernel components for mobile workloads and use cases.
- Optimize kernel for power efficiency and power consumption across CPU, SoC, and system-level components.
- Develop simulation frameworks for kernel-level and HarmonyOS framework (ArkTS/JIT/AOT, ArkUI and Kotlin/JIT/AOT) workload evaluation on future CPU designs.
- Propose microarchitectural enhancements for system optimization based on kernel profiling and characterization.
- Develop and implement power management policies and performance scaling strategies.
- Collaborate with hardware teams to optimize kernel interfaces and low-level system integration for performance and power.
- Participate in joint research projects with top tier UK universities and OS kernel development communities.
This job description is only an outline of the tasks, responsibilities and outcomes required of the role. The jobholder will carry out any other duties as may be reasonably required by his/her line manager. The job description and personal specification may be reviewed on an ongoing basis in accordance with the changing needs of Huawei Research and Development UK Limited.
Required:
- Master/PhD degree in Computer Science/Engineering/Physics etc.
- Strong knowledge of computer architectures, operating system internals, and mobile SoC design.
- Extensive experience with Linux kernel development including core subsystems (scheduler, memory management, VFS, networking).
- Strong programming skills in C, C++, assembly, and Python.
- Understanding of CPU privilege levels, MMU/IOMMU, and virtualization extensions.
- Experience with performance profiling and optimization at both kernel and microarchitectural levels.
- Highly-motivated and independent individual with a strong desire for knowledge acquisition.
Desired:
- Experience with Linux, OpenHarmony, Android or other microkernels.
- Strong knowledge of Arm architecture, TrustZone, TEE, exception handling, and interrupt processing.
- Experience with kernel profiling tools (perf, ftrace, eBPF, LTTng, SystemTap).
- Knowledge of RISC-V privilege specifications or Arm architecture reference manuals.
- Deep knowledge of power management frameworks, DVFS (Dynamic Voltage and Frequency Scaling), and CPU idle states.
- Understanding of real-time operating systems, PREEMPT_RT, or deterministic execution requirements.
- Experience with gem5, Sniper, or other cycle-accurate architectural simulators.
- Understanding of mobile platform power optimization techniques and thermal management.
- Experience with hardware-assisted virtualization and hypervisor design.
- Familiarity with Android kernel, AOSP, or other mobile OS kernel implementations.
- Locations
- Huawei Cambridge Research Center
Huawei Cambridge Research Center
Workplace & culture
This is a place where expertise and passion come together to unlock something really special to create an exciting future. Working at Huawei R&D UK, you will meet dedicated people who are passionate to bring the best product and service to customers.
About Huawei R&D UK
Huawei’s vision is a fully connected, intelligent world.
To achieve this, we work to inspire passion for basic research around the world. Our combined passion drives development across the global innovation value chain. Huawei has the largest Research and Development organization in the world with 96,000+ employees in research centers around the globe. In the UK, we already have design centers in Cambridge, London, Edinburgh, Ipswich and Bristol. We continue to explore and define new research directions and new services. We have expanded our collaborations with academic researchers; researched new network architectures, integration of communications and key enabling technologies; and developed the fundamental theories of these technologies.