Senior / Staff CPU Performance Engineer

Arm; United Kingdom; On-site; GBP 60,000 - 90,000; Full time

Job summary

A leading technology company in the United Kingdom is seeking an experienced engineer to join their performance team specializing in CPU micro-architecture. This role involves driving technical direction, engaging with hardware design engineers, and mentoring junior staff. Candidates should have strong C++ skills and experience in performance modeling. The successful applicant will have the opportunity to influence next-generation products that aim to revolutionize the tech landscape.

Qualifications

• Detailed understanding of CPU micro-architecture.
• Experience of performance modelling.
• Proven experience in C++.

Responsibilities

• Drive the technical direction of the team developing software models of Arm's CPUs.
• Engage with hardware engineers to enhance performance opportunities.
• Support the mentorship and coaching of other specialists.

Skills

Interpersonal skills

Understanding of CPU micro-architecture

Experience in performance modelling

Experience in C++

Job description

Organisation/Company Arm Research Field Computer science » Computer architecture Researcher Profile Recognised Researcher (R2) Leading Researcher (R4) First Stage Researcher (R1) Established Researcher (R3) Country United Kingdom Application Deadline 15 Jan 2026 - 00:00 (UTC) Type of Contract To be defined Job Status Negotiable Is the job funded through the EU Research Framework Programme? Not funded by a EU programme Is the Job related to staff position within a Research Infrastructure? No

Offer Description

Overview

Would you like to join the team that defines the micro-architecture of the future Arm CPUs, and influence the future by crafting products that millions of people will use all over the world? We are looking for engineers willing to accept the challenge of working with us on defining next generation products optimised for cutting-edge AI algorithms that target markets from IoT devices to mobiles, laptops and servers.

The performance team within the CPU group is responsible for early performance exploration and analysis that drive the definition of the next generation Arm CPUs.

By joining the team, you will interact closely with world-wide CPU RTL designers and implementation teams to investigate and evaluate new micro-architectural ideas and design trade-offs that will make the micro-architecture for the next products successful for the target sectors. You will evaluate these ideas and analyse CPU performance and power developing and using C++ based models of the micro-architecture. You will also coach and mentor more junior engineers to help them grow and become deep experts on the field.

Responsibilities

The key objectives of this role include:

• Help driving the technical direction of the team, which develops, tests and maintains software models of Arm's advance CPUs.
• Engage with hardware design engineers to prune the design space of next generation products, understanding power and performance opportunities on current processors and investigate potential micro-architectural improvements.
• Support the mentorship and coaching of other specialists; sharing your technical expertise and experience.
• With your help, we will keep improving the effectiveness of Arm modelling methodologies.
• Our team collaborates with performance, design and implementation engineers across the world. You would be involved on the communication and alignment of activities related to integration, methodologies, strategies, etc.

Required skills

• Good interpersonal skills and capacity to work efficiently with local and remote teams.
• Detailed understanding of CPU micro-architecture.
• Experience of performance modelling.
• Experience of exploring and evaluating ideas and performance related to processor micro-architecture.
• Proven experience in C++.

If you are interested in this opportunity, please use the link to apply. We are looking forward to meeting you.