Jobs in Bristol

Modelling Engineer (Mid-Level or Senior)

You will develop pre-silicon models of AI acceleration hardware, enabling early software development and informing architecture, performance, and product design. You'll work closely with hardware, software, and ML engineers in a collaborative co-design environment.

Fractile Bristol, United Kingdom

Lead Data Scientist

Lead a team of data scientists to develop advanced AI and machine learning solutions for cybersecurity threat detection and prevention within a major UK financial institution. Drive innovation in LLM-based automation, build scalable ML pipelines on GCP, and ensure models meet ethical, regulatory, and operational standards in a hybrid working environment.

Lloyds Banking Group Manchester, United Kingdom £92,701 – £109,060 pa

Hybrid Permanent Clearance Required

PCBA Product Engineer – AI Hardware

Fractile is building silicon, systems, and software which will redefine the frontier of AI: running the world’s most advanced models at radically higher speed and lower cost. We have an exceptional team across hardware and software capable of bringing about...

Fractile United Kingdom

Senior Engineering Lead, Chem-Bio

This role involves leading a small engineering team within the Chem-Bio (CB) team at the AI Security Institute. Responsibilities include setting technical direction, managing engineers, designing and building reliable systems, and working closely with researchers to translate their needs into well-engineered solutions. The role also involves hiring, shaping engineering culture, and coordinating with other teams across the organization.

AI Security Institute London, United Kingdom

On-site Permanent Clearance Required

Expression of Interest- Chem Bio

This role involves conducting technical research to assess and mitigate chemical and biological risks posed by frontier AI systems. You'll design evaluations, develop benchmarks, and work on capability elicitation, threat modelling, and safeguards, translating findings for AI developers and government stakeholders. The work is interdisciplinary, combining machine learning, biosecurity, chemistry, and policy to produce actionable insights in a high-impact, mission-driven environment.

AI Security Institute London, United Kingdom £65,000 – £145,000 pa

Hybrid Permanent Clearance Required

Expression of Interest- Red Team

The Red Team at the AI Security Institute conducts cutting-edge research to identify and mitigate vulnerabilities in advanced AI systems. The team collaborates closely with leading AI companies, UK officials, and allied governments to inform deployment, research, and policy decisions, focusing on misalignment, misuse, and control of AI systems.

AI Security Institute London, United Kingdom £65,000 – £145,000 pa

On-site Permanent Clearance Required