Principal CPU Architect / Chief CPU Architect

Jobleads-UK • Cambridgeshire and Peterborough, England • Posted June 18, 2026

About the Role

Cambridgeshire, England £130-150k (and higher, dependent on experience) Job ID: 424900


Rob Hudson


This is a key position as a Principal CPU Architect or Chief CPU Architect (dependent on levels and relevance of experience) – to work on the latest developments in CPU architecture – for improvements in processing power, performance and optimisation.


Main responsibilities



  • Performance analysis of applications of interest to propose new instructions and ISA extensions

  • Reworking and optimisation of critical parts of applications to support new ISA

  • Implementation of proposed new instructions or uArch tweaks in performance simulator for evaluation of possible performance benefits


Requirement



  • Deep understanding of modern CPU architectures

  • Knowledge and experience of using of latest Aarch64 or X86 instruction sets

  • Background in performance analysis, ...