Latest National Security Jobs

Spotlight

Senior Machine Learning Scientist

This role involves developing and deploying custom machine learning and LLM-powered systems for customer feedback analysis, including fine-tuning, retrieval, summarisation, and agentic workflows. The scientist will lead experimentation, evaluation, and productionisation of models while mentoring team members and integrating cutting-edge AI research into real-world applications.

Chattermill London, United Kingdom

Remote Permanent

Spotlight

Director of Technology - AI

Lead the AI technology strategy and R&D portfolio at Digital Catapult, shaping the future of AI through collaborative research with academia and industry. Drive innovation in emerging areas like agentic AI and AI assurance, while mentoring technical teams and influencing national policy. The role combines strategic leadership with hands-on engagement in technology translation and horizon scanning across the UK’s deep tech ecosystem.

Digital Catapult Bristol, County Of Bristol, United Kingdom £110,000 – £130,000 pa

Hybrid Permanent

Spotlight

Business Development Manager – New Business Sales

Drive new business acquisition for an AI-powered computational imaging software company, focusing on scientific and industrial markets. Engage in technical sales discussions, lead customer evaluations, and build long-term relationships while collaborating closely with technical teams to solve complex imaging challenges.

SenseAI Liverpool, Merseyside, United Kingdom

Hybrid Permanent

Senior Manager (National Security)

As a Senior Manager in the National Security and Safety team, you will lead the delivery of complex AI and data science projects for critical government partners. You will build influential networks, solve safety challenges, and mentor multidisciplinary teams to ensure long-term value in a fast-evolving national security landscape.

Faculty AI London, United Kingdom

On-site Permanent Clearance Required

Customer Director (National Security)

This role involves leading high-stakes government AI partnerships within the national security sector, acting as the primary commercial and strategic advisor to senior stakeholders. The Customer Director will drive digital transformation by designing AI-powered programmes that address complex safety and operational challenges, while overseeing cross-functional teams to ensure delivery excellence. The position requires a rare blend of deep technical AI understanding, government experience, and strategic leadership in sensitive, mission-critical environments.

Faculty AI London, United Kingdom

Hybrid Permanent Clearance Required

Delivery Manager (National Security)

As a Delivery Manager in Faculty's National Security and AI Safety team, you will lead the delivery of high-stakes AI projects for critical government partners. Your role involves strategic planning, project management, and building strong relationships with clients and multidisciplinary teams to ensure the successful implementation of AI solutions that address complex national security challenges.

Faculty London, United Kingdom

Hybrid Permanent Clearance Required

FPGA Engineer (National Security & Critical Systems)

As an FPGA Engineer, you will design and develop high-performance hardware solutions, focusing on digital signal processing, FPGA design, and system integration. You will work on mission-critical projects in national security, collaborating with multidisciplinary teams to deliver advanced technical capabilities.

Sanderson Southampton, United Kingdom £60,000 – £80,000 pa

On-site Permanent Clearance Required

Cyber Software Engineer - National Security

As a Cyber Software Engineer, you will work on critical systems supporting National Security missions, applying secure coding practices and maintaining high software quality. You will collaborate with teams at the forefront of AI, Cyber, Cloud, DevOps, and Platform Engineering, contributing to research, design, and development of secure systems.

Sanderson Hampshire, United Kingdom £40,000 – £75,000 pa

On-site Permanent Clearance Required

Head of International Security

This role involves leading and unifying Scale AI’s security strategy across international markets, with a focus on non-US enterprise and public sector engagements. The Head of International Security will translate complex regulatory requirements like GDPR, UK Cyber Essentials Plus, EU AI Act, and NIS2 into technical controls, while ensuring secure-by-design principles are embedded in AI systems and infrastructure. They will lead regional security engineering, threat detection, and compliance efforts, and act as the primary security liaison for international customers and governments, balancing robust security with innovation in frontier AI.

Scale AI London, United Kingdom

Hybrid Permanent Clearance Required

Sr. Manager, Software Dev, Next-Gen Security Automation

This role involves leading the development of next-generation AI-powered security systems, collaborating with top security and engineering talent. You'll work on innovative AI products from the ground up, tackling complex security challenges and driving the transformation of security practices through cutting-edge technology.

Amazon London, United Kingdom

On-site Permanent

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

Research Engineer - Societal Impacts

The role involves working with a multidisciplinary team to study high-impact societal risks caused by advanced AI deployment. Responsibilities include designing and implementing experiments, building data pipelines, and evaluating AI models to inform mitigation strategies.

AI Security Institute London, United Kingdom

On-site Permanent Clearance Required

Cyber Software Vulnerability Engineer

You will contribute to high-impact missions in AI, Data Science, Cybersecurity, Cloud, and DevOps. Your day-to-day responsibilities include software analysis, reverse engineering, vulnerability identification, and secure coding practices, working closely with cybersecurity teams to prioritize and mitigate risks.

Forward Role Manchester, United Kingdom £45,000 – £65,000 pa

On-site Permanent Clearance Required

Cyber Software Vulnerability Engineer

You will work on high-impact national security missions, focusing on software analysis, reverse engineering, and vulnerability assessment. Your role involves dissecting complex systems, identifying weaknesses, and developing mitigation strategies, while collaborating with cybersecurity teams and Agile development processes.

Forward Role Itchen Stoke, SO24 0QX, United Kingdom £45,000 – £65,000 pa

On-site Permanent Clearance Required

AI Software Engineer - eDV Cleared

Design and develop AI-driven software solutions for national security applications, working within secure environments and collaborating with government stakeholders. Focus on delivering robust, scalable systems using modern software engineering practices. The role involves frequent travel to client sites across the UK.

Searchability NS&D London, United Kingdom £65,000 – £100,000 pa

Hybrid Permanent Clearance Required

Software Developer

The role involves designing, developing, and maintaining high-quality software components using Java and C++. You will work closely with clients, domain scientists, and computational engineers to understand requirements and translate them into effective software solutions, while also contributing to software architecture and mentoring junior developers.

Matchtech Dorking, United Kingdom £45,000 – £65,000 pa

On-site Permanent Clearance Required

Senior AI Product Design

This senior design leadership role involves building AI-powered digital products in complex, data-rich environments. Responsibilities include leading end-to-end product design, translating complex AI/ML capabilities into user-friendly interfaces, and mentoring junior designers. The role has a strong focus on ethical AI and responsible design practices.

eFinancialCareers London, United Kingdom £85,000 pa

Hybrid Permanent Clearance Required

Machine Learning Engineer, Global Public Sector

This role involves leading the design and development of reliable, multi-step agentic systems and long-horizon reasoning frameworks for national security and public policy. You will conduct applied research to solve unique challenges in sovereign AI, focusing on system reliability, safety, and performance in high-stakes environments.

Scale AI United Kingdom

On-site Permanent Clearance Required