Device-Level CPU Performance Engineer – Real-World Impact

Arm; Cambridge; On-site; GBP 73,500 - 99,500; Full time

Job summary

Arm is seeking a CPU Performance Engineer in Cambridge to focus on device-level performance analysis. The role involves understanding CPU behaviour using profiling tools and providing insights to guide CPU design decisions. Candidates should have a solid foundation in CPU microarchitecture and experience in performance analysis. The position offers a salary range of £73,500 - £99,500 per year and does not require sponsorship for work in the UK.

Qualifications

• Strong understanding of CPU microarchitecture fundamentals (pipelines, caches, speculation, memory hierarchy).
• Experience in performance analysis (profiling, benchmarking, debugging).
• Familiarity with PMU-based profiling tools or equivalent performance counters.
• Basic programming or scripting skills (Python, C/C++, or similar).
• Strong analytical and problem-solving skills.

Responsibilities

• Analyse performance on real devices using real-world workloads.
• Support investigation of system-level performance issues.
• Use PMU counters and profiling tools to understand CPU behaviour.
• Contribute to identifying performance bottlenecks.

Skills

Strong understanding of CPU microarchitecture fundamentals

Experience in performance analysis

Familiarity with PMU-based profiling tools

Basic programming or scripting skills

Strong analytical and problem-solving skills

Job description

Arm is seeking a CPU Performance Engineer in Cambridge to focus on device-level performance analysis. The role involves understanding CPU behaviour using profiling tools and providing insights to guide CPU design decisions. Candidates should have a solid foundation in CPU microarchitecture and experience in performance analysis. The position offers a salary range of £73,500 - £99,500 per year and does not require sponsorship for work in the UK.