Latest Defence Jobs

Senior Research Scientist - AI Safety Evaluations

Lead the development of advanced AI safety evaluations to assess risks in critical domains like CBRN and cybersecurity. Conduct original research from concept to publication, shape methodological strategy, and collaborate with frontier labs and government stakeholders. Focus on rigorous, scientifically grounded approaches to red-teaming, robustness testing, and evaluation design.

Faculty London, United Kingdom

Permanent

Research Scientist

This role involves conducting original research in AI safety, focusing on interpretability and behavioral analysis of transformer-based large language models. You'll design and run experiments, develop reproducible research tooling in Python with PyTorch, and translate technical findings for government, frontier labs, and national security partners. The position emphasizes scientific rigor, collaboration with senior researchers, and contributing to emerging AI safety standards.

Faculty London, United Kingdom

Permanent

Platform Engineer

This role involves building and maintaining the MLOps and deployment infrastructure that supports data science teams in transitioning machine learning models from exploration to production. The engineer will work across multiple cloud platforms, design containerised microservices architectures, and implement DevSecOps and infrastructure-as-code practices. Collaboration with customer-facing teams ensures platform solutions are scalable, secure, and effectively integrated into client environments.

Faculty AI London, United Kingdom

Hybrid Permanent

Senior Manager (National Security)

Leads high-stakes AI transformation projects for UK government national security partners, combining commercial strategy with technical delivery. Bridges advanced AI research and operational mission needs, managing multidisciplinary teams and shaping proposals for strategic use cases. Focuses on responsible AI deployment, red teaming, and safety evaluation in a rapidly evolving domain.

Faculty AI London, United Kingdom

On-site Permanent Clearance Required

Content & Communications Strategist

This role involves crafting and delivering compelling narratives that translate complex technical work in AI and engineering into accessible content for diverse audiences. You'll shape the company's voice across digital platforms, events, and internal communications, collaborating closely with engineers and leadership to build credibility and support talent acquisition. Success requires blending storytelling skill with technical fluency in a fast-paced, high-impact environment.

PhysicsX London, United Kingdom

Hybrid Permanent

Senior CFD Engineer - Plasma Specialist

You will develop high-fidelity computational plasma models for semiconductor manufacturing processes such as etching and deposition, working directly with customers on-site to solve niche engineering challenges. You'll integrate simulations with AI workflows using tools like COMSOL and CFD-ACE+, validate models against real-world data, and collaborate with data scientists and ML engineers. The role involves global travel and combines technical leadership with mentoring junior colleagues.

PhysicsX London, United Kingdom

Hybrid Permanent

Forward Deployed Engineer

Design and deploy production-grade machine learning systems for high-impact clients in national security and AI safety. Develop scalable ML infrastructure, lead technical architecture decisions, and translate complex AI concepts for stakeholders. Work across the full ML lifecycle from prototyping to deployment using modern cloud and containerisation technologies.

Faculty London, United Kingdom

Hybrid Permanent

Senior Forward Deployed Engineer

Design and build scalable, production-grade machine learning systems for high-impact clients in national security and AI safety. Lead technical architecture, deploy secure AI solutions on cloud platforms, and mentor engineering teams. Work cross-functionally to translate complex AI concepts into operational systems while adhering to rigorous ethical and security standards.

Faculty London, United Kingdom

Permanent

Associate (National Security)

This role involves scoping, building, and delivering custom AI solutions for national security clients, translating complex operational needs into actionable technical requirements. You'll work closely with government stakeholders and technical teams to develop secure, trustworthy AI systems for high-stakes environments. The position emphasizes client collaboration, open-source analysis, and user-centric workflow design within an agile delivery framework.

Faculty London, United Kingdom

Hybrid Permanent Clearance Required

Associate (Safety)

This role involves scoping, building, and delivering AI safety projects with a focus on frontier model evaluations and government collaboration. The Associate will translate complex operational needs into technical requirements, support red teaming and evaluation efforts, and help optimise AI tools for real-world use in high-stakes environments. Work is cross-functional, combining client engagement with technical delivery in national security and AI safety contexts.

Faculty London, United Kingdom

Permanent

Software Engineer (Safety)

As a Software Engineer in the National Security and AI Safety team, you will build and deploy production-grade machine learning systems, collaborate with cross-functional teams, and ensure the technical feasibility and impact of AI solutions. You will work on high-stakes, high-impact projects, leading technical scoping and architectural decisions, and act as a technical advisor to clients and partners.

Faculty London, United Kingdom

On-site Permanent Clearance Required

Senior Software Engineer (Safety)

As a Senior Software Engineer, you will lead the development and deployment of cutting-edge AI systems for high-impact missions. You will design and build scalable, production-grade ML software and infrastructure, collaborate with cross-functional teams, and mentor junior engineers.

Faculty London, United Kingdom

Permanent

Senior Machine Learning Engineer (Safety)

As a Senior Machine Learning Engineer, you will lead the development and deployment of cutting-edge AI systems for high-impact missions in national security and global stability. You will design, build, and deploy scalable, production-grade ML software and infrastructure, ensuring rigorous operational and ethical standards. You will also mentor junior engineers and collaborate with cross-functional teams to solve critical client challenges.

Faculty London, United Kingdom

Permanent

Senior Associate

This role involves managing work streams, collaborating with life sciences stakeholders, conducting open-source analysis, and designing workflows for AI solutions. You will work closely with technical teams to ensure projects meet client needs and contribute to the team's thought leadership.

Faculty London, United Kingdom

Hybrid Permanent

Technical Director of AI Safety

Lead technical strategy and R&D in AI safety, building and mentoring a high-performing team focused on red teaming, model evaluation, and mitigation research for frontier AI systems. Drive thought leadership, publish in top-tier venues, and shape global AI safety practices in collaboration with leading labs and governments. Translate cutting-edge research into scalable, real-world safety solutions.

Faculty AI London, United Kingdom

Hybrid Permanent Clearance Required