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Staff Linux Kernel Developer – Power

34,158 P.A. ?

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We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, and basis of disability or any other federal, state or local protected class.

Job Description

Arm’s headquarters are in the historic city of Cambridge, home to one of the world’s most renowned and oldest Universities. The city is a key driver of global innovation, state of the art technologies and regularly features as one of the most desirable places to live in the UK.

As Arm’s largest engineering centre, the Cambridge site is working on development across all areas of our product portfolio. We are surrounded by world-leading technical authorities and you will relish working with some of the very best engineers in the industry. If the challenge of working on our cutting-edge technology excites you, and you can meet the requirements below, we look forward to receiving your application.

About The Team:

The Open Source Software (OSS) Kernel team is responsible for developing and improving the Linux Kernel for Arm's next generation of applications processors. This frequently means working with processors and other hardware technology not yet available to the public. We work on a range of development platforms, software-models, FPGAs and early silicon, sometimes many months before the processors are used in real products.

You will join a team of Kernel Engineers who are passionate about stamping their mark on the future of computing, wherever it may lead. You will help Arm maintain its leadership in the embedded market, as well as play an essential role in making Arm a successful server platform. If you are similarly passionate about leading edge technologies, then we want to hear from you.

Job Purpose and Accountabilities:

In this role you will be a member of the Kernel team specialising in power management software in the Open Source Software (OSS) group within Arm.

Day to day activities will include:

* You will participate in the design and implementation of new features and bug fixes in the Linux Scheduler, and other power-related frameworks
* You will be part of analysing and subsequently improving or replacing existing frameworks, balancing energy efficiency with peak performance
* Your day to day role will involve development and testing, debugging on different platforms (from software models, through FPGA systems, all the way to development boards and shipping products)
* You will conduct code reviews both for internal code and upstream
* Your activities will include upstreaming and maintenance
* We would like you to be able to influence and build consensus among the upstream community with the aim to ensure that Linux Scheduler and Power Management is working as well as possible.

Job Requirements

Education & Qualifications:

Established experience or a Bachelor’s (or above) degree in a STEM subject.

Essential Skills & Experience:

* You have a passion for Open Source software development, and you are recognised by your peers for your knowledge of upstream Linux kernel development
* We require authoritative knowledge developing and debugging of operating systems
* You will have excellent C skills; some assembly skills are desirable
* You are familiar with upstreaming and codeline maintenance,
* Problem solving and debugging skills are areas in which you have proficiency
* You are more than aware of the vagaries of System Architecture (pipelines, caches, MMUs, Interrupt Controllers, timers),
* You will exhibit an understanding of how to rigorously test software using various techniques
* Knowledge of at least one CPU architecture
* Your strong interpersonal skills are vital for success; we are looking for excellent written and spoken English; capable of writing documentation, mentoring junior engineers.
* We expect a professional, enthusiastic and flexible approach to work with a flair for creative lateral thinking and problem solving with a commitment to extend the breadth and depth of your knowledge

Desirable Skills

* We value familiarity with open-source project development cycles and contribution processes
* We are seeking an understanding of Arm architecture and tools
* We look for experience of Linux kernel development and/or low-level Android frameworks
* We need knowledge of software design techniques and maintaining compatibility and we value previous experience in large, multi-site software development project
* Experience of software optimisation, instrumentation, Multi-core
* Strong familiarity with testing methodology and automated testing systems alongside hands-on experience in developing with embedded platforms and/or real-time operating systems
* We seek experience with scripting languages, e.g. Bash, Python, Perl, etc.

At Arm, we are guided by our core beliefs that reflect our rare culture and guide our decisions, defining how we work together to defy ordinary and shape extraordinary:

We not I

* Take daily responsibility to make the Global Arm community thrive.
* No individual owns the right answer. Brilliance is collective.
* Information is crucial, share it.
* Realise that we win when we collaborate — and that everyone misses out when we don’t.

Passion for progress

* Our differences are our strength. Widen and mix up your network of connections.
* Difficult things can take unexpected directions. Stick with it.
* Make feedback positive and expansive, not negative and narrow.
* The essence of progress is that it can’t stop. Grow with it and own your own progress.

Be your brilliant self

* Be quirky not egocentric.
* Recognise the power in saying ‘I don’t know’.
* Make trust our default position.
* Hold strong opinions lightly.

Arm has a responsibility to ensure that all employees are eligible to live and work in the UK.

Please note we are hiring a number of software engineers at this location.


ARM Benefits


Your particular benefits package will depend on position and type of employment and may be subject to change. Your package will be confirmed on offer of employment. Arm’s benefits program provides permanent employees with the opportunity to stay innovative and healthy, ensure the wellness of their families, and create a positive working environment.

* Annual Bonus Plan

* Discretionary Cash Award

* Group Personal Pension Plan with enhanced company contribution

* Medical, Travel, Health & Life Insurances

* Holiday, 25 days annual leave with option to buy an additional 5 days per year

* Sabbatical, 20 paid days every four-year of service

* Volunteering, One (1) paid working day each year (TeamARM)

* Varies by location: cycle to work, free car parking, gym on site, team and social events

About Arm

Arm® technology is at the heart of a computing and connectivity revolution that is transforming the way people live and businesses operate. From the unmissable to the invisible; our advanced, energy-efficient processor designs are enabling the intelligence in 86 billion silicon chips and securely powering products from the sensor to the smartphone to the supercomputer. With more than 1,000 technology partners including the world’s most famous business and consumer brands, we are driving Arm innovation into all areas compute is happening inside the chip, the network and the cloud.

With offices around the world, Arm is a diverse community of dedicated, innovative and highly talented professionals. By enabling an inclusive, meritocratic and open workplace where all our people can grow and succeed, we encourage our people to share their unique contributions to Arm's success in the global marketplace.

About the office

At our global HQ in Cambridge, England we house the majority of our engineering and our corporate groups that deliver our extraordinary success. As a world-renowned university town, Cambridge boasts both a beautiful countryside and a historical town center. Local activities include punting on the River Cam and the many museums that reside within Cambridge University.

Cambridge, UK - Global HQ

Arm Ltd.

110 Fulbourn Road



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