Lead CPU Architect: Drive ISA Extensions & Performance
Location
cambridgeshire and peterborough, england
Job Type
Full-time
Category
IT & Technology
Posted
June 20, 2026
Cambridgeshire, England £130-150k (and higher, dependent on experience) Job ID:
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, profiling and workl...