Latest National Security Jobs

Spotlight

Programme Manager (Forward Deployed)

Act as a Programme Manager embedded within a client's technology programme, owning delivery while identifying inefficiencies that can be automated using AI. You'll run programme governance, manage risks and dependencies, and prototype AI workflows to solve real delivery bottlenecks. The role blends hands-on client delivery with innovation to scale solutions through the M-1 platform.

M-1 Intelligence London, United Kingdom £60,000 – £75,000 pa

Remote 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

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

Senior Machine Learning Engineer - National Security (TIRE)

Develop and deploy advanced machine learning and AI solutions for national security challenges in collaboration with cross-disciplinary teams. Lead technical projects, build scalable data systems and microservices, and provide technical leadership while working at the intersection of research and real-world impact. Mentor team members and contribute to research proposals and capability development.

The Alan Turing Institute Cheltenham, South West England, United Kingdom £57 – £62 pa

Contract

Head of International Security

This role leads international security strategy for a frontier AI company, focusing on compliance, cloud security, and AI-specific risks across non-US markets. The person will drive secure-by-default architecture, regulatory alignment, and high-assurance protections for government and enterprise customers. Key responsibilities include cross-border data governance, multi-tenant isolation, and detection engineering tailored to regional requirements.

Scale AI London, United Kingdom

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

Expression of Interest- Cyber and Autonomous Systems Team

This role involves developing and running advanced evaluations of frontier AI models in cybersecurity and autonomous systems, using cyber ranges and CTF environments to assess capabilities and risks. You'll work on pre-deployment testing, validate novel model behaviors, and support UK government decision-making on AI governance. The work is research-driven, technically rigorous, and operates at the intersection of AI safety, security, and policy.

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

Hybrid Permanent Clearance Required

AI Engineer - DV Cleared

Design and implement AI and machine learning solutions for high-impact national security programmes within secure environments. Work with cutting-edge technologies including Palantir Foundry, generative AI, and cloud platforms. Collaborate in multidisciplinary teams to solve complex technical challenges and deliver mission-critical systems.

CBSbutler Holdings Limited trading as CBSbutler London, United Kingdom £80,000 – £100,000 pa

AI/ML Engineer

Develop and deploy novel AI/ML solutions in high-impact domains such as Defence and National Security. Work across the full R&D lifecycle, from translating academic research into prototypes to building production-grade systems using Python. Collaborate with multidisciplinary teams and contribute to technical strategy, customer engagements, and proposal development.

CBSbutler Holdings Limited trading as CBSbutler Romsey, Hampshire, United Kingdom £65,000 pa

Senior AI Engineer

Design and build production-grade multi-agent AI systems for high-stakes environments including defence and national security. Develop end-to-end workflows combining frameworks like LangGraph and Haystack with custom orchestration, retrieval, and guardrails. Deploy across cloud, on-prem, and air-gapped environments with strong emphasis on reliability, latency, and secure-by-design principles.

Deerfoot Recruitment Solutions Oxfordshire, United Kingdom £800 – £900 pd

Hybrid Contract Clearance Required

Data Scientist (Sovereign Territory Surveillance)

The Data Scientist role involves solving maritime and security-based problems using machine learning and data science techniques. Responsibilities include developing and evaluating ML models for anomaly detection, track pattern recognition, and integrating these models into user-facing features. The role also involves collaborating with developers and infrastructure engineers to build scalable data pipelines and contribute to feature development.

SRT Marine Systems PLC Bristol, Bristol (county), United Kingdom £55,000 – £85,000 pa

Data Scientist (Sovereign Territory Surveillance)

As a Data Scientist at SRT Marine Systems, you will work on developing and evaluating ML models for maritime and security-based problems, including detection, classification, and anomaly detection in time series and image/video data. You will collaborate with developers and engineers to integrate these models into user-facing features and build scalable data pipelines.

SRT Marine Systems PLC Gloucester, Gloucestershire, United Kingdom £55,000 – £85,000 pa

Senior AI/ML Engineer

This role involves leading AI/ML research and development projects from concept to deployment, applying cutting-edge techniques in computer vision, NLP, reinforcement learning, and large language models to real-world challenges in defence and national security. The engineer will develop solutions using Python, provide technical leadership, mentor junior team members, and collaborate with multidisciplinary teams. Work includes strategic contribution to solution design, bids, and engineering innovation in a hybrid environment.

Copello Southampton, Hampshire, United Kingdom £60,000 – £65,000 pa

Machine Learning Engineer, Global Public Sector

Design and build reliable, multi-step agentic systems for high-stakes government applications, focusing on AI safety, red-teaming, and model optimization in regulated environments. Develop novel architectures and evaluation frameworks to ensure sovereign AI systems are performant, unbiased, and production-ready at scale.

Scale AI United Kingdom

On-site Permanent Clearance Required

Senior Computer Vision Engineer - Deep Learning

Design and deploy production-grade computer vision systems using deep learning techniques such as CNNs and Vision Transformers, translating research into robust AI solutions for defence and security applications. Work across the full development lifecycle, from model design and training to deployment on cloud and edge platforms. Collaborate with researchers, engineers, and customers in a technically challenging environment focused on real-world autonomy and perception systems.

MFK Recruitment Brentford, London, TW8 9DE, United Kingdom £70,000 – £95,000 pa

Hybrid Permanent Clearance Required

Enterprise Architect Contractor

This role involves shaping the strategic direction of large-scale defence and digital transformation programmes by defining enterprise architecture principles, governance models, and technology roadmaps. The architect will assess emerging technologies like AI, data fabric, and autonomous systems for secure integration into operational environments, ensuring alignment across cloud, cyber, and mission systems. It is a leadership position requiring influence across senior stakeholders in a complex, multi-domain R&D setting within the defence sector.

Rebel Recruitment Nottingham, Nottinghamshire, United Kingdom £600 – £750 pd