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Senior/Staff CPU Performance Benchmarking Engineer

Job ID 2025-14240 Date posted Jun. 09, 2025 Location Cambridge, United Kingdom Category Hardware Engineering Apply

Are you curious about the performance and evolution of CPU micro-architectures ? As a CPU Performance Benchmarking engineer, you will be responsible for delivery of performance and power metrics to teams designing Arm's next generation of power-efficient CPUs, and to apply and enhance novel techniques to analyse data and progress performance of processors and cache systems. Your role will extend to mentoring junior team members and collaborating with other sites to optimise shared processes.

Job Overview:

You will work in collaboration with other UK based CPU engineering teams, evaluating and improving the performance features of micro-architectures utilising industry standard workloads. Continuously enriching and accelerating our methodologies to achieve this is also a key part of the role!

If exploring the internal functioning of CPUs and their performance excites you, we would like to hear from you. This is an excellent opportunity to be part of a world-leading CPU performance optimisation team.

Responsibilities:

  • Analyse and report CPU/IP performance over their development cycle
  • Collaborate with designers and other performance engineers to investigate/improve power/performance/area for IPs
  • Maintain/improve infrastructure to employ targets like Emulators/Simulators/FPGA to evaluate performance/power
  • Provide insights to Customers/Architects/Marketing with regards to PPA of IPs in different scenarios/use-cases

Required Skills and Experience :

  • Familiar with CPU micro-architecture concepts (such as CPU pipelines, caches, predictors, MMUs)
  • Experience with low-level embedded 'C' or assembler software development coding, testing, optimising and debugging
  • Developing in Linux environments with strong experience in shell, Python or Perl scripting
  • Experience on CPU performance analysis, especially using industry benchmarks
  • Familiar with HDL languages (Verilog or VHDL) and RTL simulator or emulator execution environments

“Nice To Have” Skills and Experience :

  • Exposure to hardware design and/or performance modelling of CPUs or similar components
  • Understanding of Arm instruction set architecture and assembly language
  • Familiarity of compilers and how they do code generation
  • Understanding of System Architecture
  • A good equivalent university degree in Computer Science, Electronic Engineering, or another appropriate field.

In Return:

Arm is committed to global talent acquisition, offering an attractive relocation package. With offices around the world, Arm is a diverse organisation of dedicated, creative and talented engineers. By enabling a dynamic, inclusive, meritocratic, and open workplace, where all our people can grow and succeed, we encourage our people to share their unrivaled contributions to Arm's success in the global marketplace.

#LI-EK1

Accommodations at Arm

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 as 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 at Arm

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 at Arm

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.

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You know us. With 125 Arm-powered products shipped every second, more than 70% of the world’s population touches Arm technology. Our hardware engineers are a dynamic force driving innovation across various domains. Whether it’s powering your smartphone, delivering award-winning VR gaming, or developing the foundation for the world's fastest supercomputer – our engineers are designing the advanced core processors leading the race toward a connected, autonomous, hyper-performance future.

From advancing core implementation to developing full custom physical IP, Arm hardware engineering pushes the limits in vital areas, such as memory, IO, and logic, to shape the future of technology.

Drive change on Arm

At Arm, you'll influence 95% of the world's connected devices and all their applications. From healthcare and infrastructure to virtual reality, you'll affect nearly all industries worldwide, racing toward new milestones and achievements together.

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Life at Arm

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