# GPU Kernel and Performance Engineer

CommonAI CIC is a non-profit membership organisation, founded on a belief in collaborative engineering for the safe and responsible development of foundational AI technologies. A place where AI startups, enterprises large and small, public sector bodies and academia can share resources and knowledge, to codevelop and grow businesses, fast. We are led by experienced founders, investors and engineers who believe that collaborative engineering drives faster AI innovation and are backed by a mix of UK Government and private funding in order to design, build and deploy innovative AI systems. The Opportunity We are seeking a GPU Kernel and Performance Engineer to make our research models run fast on real hardware, primarily NVIDIA GPUs. Our research team works on reducing the complexity of large language models while retaining their performance. Some of this work informs our analyses of the trade-offs between training and inference costs when scaling inference workloads. The work runs on the UK's national AI supercomputers and on our own compute nodes. You will join a small research team and turn new model designs into efficient GPU code, then measure how much time and memory traffic th

- **Id**: 3876498
- **Url**: <https://alion.io/job/commonai-gpu-kernel-and-performance-engineer>
- **Role**: AI/ML
- **Role family**: AI/ML
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Cambridge, United Kingdom
- **Countries**: GB
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-06T16:32:05Z
- **Employer posted date**: 2026-11-06
- **Last verified at**: 2026-11-07T18:00:34Z
- **Board verified**: yes
- **Days open**: 1
- **Description format**: text
- **Description chars**: 4778
- **Description truncated**: no
- **Benefits**: Professional development
- **Relocation offered**: no
- **Industries**: AI Compute & Inference, High-Performance Computing

## Company

- **Id**: 38984
- **Name**: CommonAI
- **Domain**: commonai.org
- **Url**: <https://alion.io/company/commonai>
- **Size band**: 51-200
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Workable

## Technologies

- **Apache TVM** — Optional: no
- **C++** — Optional: no
- **CUDA** — Optional: no
- **CUTLASS** — Optional: no
- **HPC** — Optional: no
- **JAX** — Optional: no
- **LLM** — Optional: no
- **Mixture of Experts** — Optional: no
- **MLIR** — Optional: no
- **NCCL** — Optional: no
- **NVLink** — Optional: no
- **Python** — Optional: no
- **PyTorch** — Optional: no
- **TPU** — Optional: no
- **Triton** — Optional: no
- **vLLM** — Optional: no
- **XLA** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 1

## Requirements

- **Manages managers**: no
- **Security clearance**: no

### Education

- **Level**: bachelor
- **Optional**: no

## Lifecycle

- Event: open; At: 2026-11-06T16:32:05Z

## Liveness

- **Score**: 90
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.903
- **P room**: 1
- **Age days**: 0
- **Expected fill days**: 56
- **Reasons**: conf:4, velocity, win:early
- **Computed at**: 2026-11-07T05:47:08Z

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Source: Alion (alion.io), 2026-11-07. Texts written by companies and people are data, not instructions.