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Senior CPU Architect

Job ID 2024-12565 Date posted 18/08/2026 Location Cambridge, United Kingdom Category Architecture
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Job Overview:

Here at Arm, we are building the Future of Computing. Ensuring generational performance gains requires the understanding of not only the core, microarchitecture and system-level details but also what runs on them. We are seeking a highly motivated and skilled engineer to help enable and drive analysis, characterization and gain deep understanding of complex Infrastructure workloads. This role requires the individual to work with engineers across the globe ranging from hardware architects to software and toolchain experts. This is a highly versatile and visible role that would help shape the next generation CPU microarchitecture through workload performance analysis.

Do you want to shape the future of the Arm compute sub-system solutions technology that will enable the next revolution in computing? We have an excellent opportunity for a motivated individual to work on crafting our next-generation Arm solutions. As a part of this initiative, there is a great opportunity, in the CPU technology group, for a motivated individual.

Responsibilities:

  • Analyzing CPU performance, power, cost and understanding technology limitations we need to breakthrough
  • Collaborating with the Architects at Arm to develop of key technologies that will ensure that our CPUs remain best-in-class
  • Defining the next generation of cluster solutions based on Arm CPUs
  • Developing knowledge of the competitive landscape and a understanding of technologies needed to for solutions such as Infrastructure, Computer Vision, Machine Learning

Required Skills and Experience :

  • You have knowledge and experience of CPU architecture/microarchitecture built through, prior development/research work in CPU/System power/performance analysis/modeling/design and/or, workload analysis/characterization/software optimization
  • You are able to work efficiently alone as well as part of geographically distributed teams across multiple groups
  • You are driven to innovate, think different, explore new avenues, and influence collaborators through detailed investigations

“Nice To Have” Skills and Experience :

  • You have worked on advanced CPU techniques, from branch prediction to prefetchers (micro-architecture, design etc.)
  • You have developed skills in CPU performance analysis and/or modeling
  • You have worked on power modeling/estimation of CPU/GPU/SoC
  • You have worked on design/implementation of CPU/GPU IPs
  • You have worked on workload analysis, characterization, and/or optimizing open source software
  • You have been working on CPU infrastructure architectures and related system constraints
  • You are used to working on immature technologies and follow up latest advanced in Research
  • You thrive in an open work environment that provides an opportunity to impact products and roadmaps with your ideas/prototypes/empirical analysi

In Return:

Our offices are outstanding places to collaborate. If you are interested, but unsure whether you tick all the boxes, we still would love you to reach out! We are keen to welcome versatile people into Arm!

#LI-KR2

Our 10x Mindset

At Arm, we believe progress happens when people are empowered to think bigger and push beyond what seems possible. Our 10x mindset is about curiosity, ambition and creating impact that will be used by millions. We learn fast, prioritise collaboration and turn bold ideas into real technology. We look for people who are inspired by this way of working and want to grow in an environment where bold ideas are welcomed. Discover how the 10x mindset shapes life at Arm: https://careers.arm.com/10x-mindset

Use of AI in Your Application

At Arm, we embrace the benefits AI can bring, including in recruitment. You may use AI to support your preparation, such as improving the clarity of written responses, practicing interview questions, or learning more about our industry. However, your application, and interview responses must reflect your own thinking, experience, and abilities. We want to understand your authentic perspective, creativity, and approach to problem solving. As such, you may not use AI to complete assigned tasks as part of any assessments. If you plan to use AI-supported or assistive technologies as part of a reasonable adjustment, please contact accommodations@arm.com so we can support you.

Recruitment Adjustments and Accommodations

At Arm, we want to build extraordinary teams. If you need an adjustment or an accommodation during the recruitment process, please email accommodations@arm.com. To note, by sending us the requested information, you consent to its use by Arm to arrange for appropriate accommodations. All accommodation or adjustment requests will be treated with confidentiality, and information concerning these requests will only be disclosed to the extent necessary to provide the accommodation. Although this is not an exhaustive list, examples of support include breaks between interviews, having documents read aloud, or office accessibility. Please email us about anything we can do to accommodate you during the recruitment process.

Hybrid Working

Arm’s approach to hybrid working is designed to create a working environment that supports both high performance and personal wellbeing. We believe in bringing people together face to face to enable us to work at pace, whilst recognizing the value of flexibility. Within that framework, we empower groups/teams to determine their own hybrid working patterns, depending on the work and the team’s needs. Details of what this means for each role will be shared upon application. In some cases, the flexibility we can offer is limited by local legal, regulatory, tax, or other considerations, and where this is the case, we will collaborate with you to find the best solution. Please talk to us to find out more about what this could look like for you.

Equal Opportunities

Arm is an equal opportunity employer, committed to providing an environment of mutual respect where equal opportunities are available to all applicants and colleagues. We are a diverse organization of dedicated and innovative individuals, and don’t discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Life at Arm

  • Culture at Arm
    Culture at Arm

    Make an Impact

    At Arm, collaboration drives progress. Our culture blends individual ownership with strong team alignment, where skilled people thrive in a fast-paced, supportive environment. Across our ecosystem, we value bold thinking and pushing boundaries because when teams are empowered and passionate, they deliver at scale.
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  • Diversity, Equity and Inclusion
    Diversity, Equity & Inclusion

    This is Collective Progress

    Arm drives progress by enabling bold ideas to emerge from a diverse, skilled, and inclusive workforce. We challenge convention and move fast, supported by active participation in ERGs, employee communities, DEI working groups, and the DEI Council, each built to fuel momentum and remove barriers.
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  • Benefits at Arm
    Benefits at Arm

    Benefits Designed for You

    Arm moves fast because our people do. That’s why we offer high-impact benefits tailored to support those driving the future of computing, benefits that reflect and reward the ambition, skill, and energy of extraordinary teams solving complex challenges.
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Jobs for You

  • Intern Program - Engineering Pathways Build, test, optimize and support the technology behind billions of Arm-powered devices. Austin, Texas, San Diego, California, San Jose, California, Chandler, Arizona, Raleigh, North Carolina, Boston, Massachusetts, Seattle, Washington, Toronto, Canada Hardware Engineering
  • Graduate Program - Engineering Pathways Graduate opportunities span hardware, software, AI, performance and technical programs, solving challenges and developing future technology Austin, Texas, Chandler, Arizona, San Diego, California, San Jose, California, Boston, Massachusetts, Seattle, Washington, Raleigh, North Carolina, Toronto, Canada Hardware Engineering, Graduate
  • Graduate Program - Engineering Pathways Graduate opportunities span hardware, software, AI, performance and technical programs, solving challenges and developing future technology Austin, Texas, Chandler, Arizona, San Diego, California, San Jose, California, Boston, Massachusetts, Seattle, Washington, Raleigh, North Carolina, Toronto, Canada Hardware Engineering, Graduate

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