Senior Performance/Energy Research Engineer ( Contractor)

Huawei Technologies Research & Development Ltd
Cambridge, England
Apr 23, 2022
May 22, 2022
Energy Engineering
Organization Type
Academia, Other
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 more than 194,000 employees, and we operate in more than 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. The company's commitment to investment in R&D in the UK, through university partnerships or bespoke facilities such as the photonics centre in Ipswich, will keep the country at the forefront of global digital innovation. And through this commitment, the UK will play an increasingly significant role in helping Huawei 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, 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. We invite you to join us on this exciting journey and drive your career forward.

Job Summary

Kirin is a groundbreaking heterogeneous intelligent chip that powers Huawei mobile phones and other devices. Our chip is designed to accelerate all kinds of smartphone services, such as internet browsing, navigation, games, video/image and AI processing. In order to provide the best-possible experience for our customers, we're looking for world class scientists and engineers to join our CPU research team.

As a Senior Performance/Energy Research Engineer with the Kirin team, you will be responsible for deep profiling of the in-house heterogeneous CPU. You will be responsible for investigating performance and energy bottlenecks of the entire software stack, including OS and system libraries. You will be developing and exploring novel techniques for power and energy software/hardware optimizations. The open position implies a wide range of research activities in collaboration with research centers across UK towards improving the performance and energy efficiency of Kirin. In this role, you will have a chance to prototype the state-of-the-art in-house CPU design with integrated 5G module and participate in the development of a new generation of system software stack for the Edge eco-system. We are welcome candidates who are ready to face all kinds of challenges and has a passion to compete with world-wide companies for the technological leadership.

Job Purpose:

Investigate the performance and energy efficiency of the Kirin processor. Research and develop novel techniques for improving the processor performance/energy/power efficiency.

Key Responsibilities:

1. Deep profiling of the Kirin in-house CPU architecture.

2. Gathering, analysing and presenting the results of the architecture profiling

3. Extend and develop an automatic system for processor performance/power/energy profiling

4. Search for the performance and energy bottlenecks in system software, including OS and system libraries.

5. Propose software and hardware modifications to address the discovered bottlenecks.

6. Develop drivers and firmware to enable various CPU features.

7. Improve DVFS policies for different heterogeneous components.

8. Design and develop novel processor power reduction techniques.

9. Analysis of the state-of-the-art technologies applied for improving performance/energy efficiency.

10. Research of new hardware extensions and software modifications to reduce the processor power.

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.


-Master/PhD degree in Computer science/Engineering/Physics etc.

-Knowledge of computer architectures, the ARM architecture (ARMv7, ARMv8).

-Strong embedded software debugging skills.

-Strong skills in software performance profiling and optimization.

-Strong coding skills, strong skills in C, C++, python and scripting languages.

-Knowledge of assembly languages and intrinsics (ARMv8, X86)

-Knowledge of the Linux kernel.

-Strong communication, influencing and negotiation skills.


-Experience in energy/power profiling and optimization (DVFS, power capping,…).

-Extensive experience in software optimization techniques for heterogeneous CPUs, from compiler optimizations to flash/DRAM access optimizations.

-Knowledge of the Linux and Android internal design.

-Experience in Android development and optimization.

-Experience in Linux driver and firmware development

-Contributing to open-source projects (LLVM, gcc, Linux QEMU/KVM).

How to apply

If you wish to apply for this position and believe your experience and skills are suitable, please email a copy of your CV and cover letter to

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