Latest National Security Jobs

Senior Software Engineer, Chem-Bio

Design and build core platform systems to support technical research on AI-related chemical and biological risks, translating ambiguous research needs into scalable, maintainable software solutions. Work within a multidisciplinary team to develop LLM-based agent systems, evaluation frameworks, and shared infrastructure while mentoring engineers and shaping technical direction. Operate in a high-impact environment with direct influence on AI policy and global governance.

AI Security Institute London, United Kingdom

On-site Permanent Clearance Required

Lead Software Engineer

The Lead Software Engineer will design and implement software solutions for underwater robotics applications, working closely with multidisciplinary teams to deliver complex projects. Responsibilities include leading technical innovation, ensuring software quality, and mentoring junior engineers.

Saab Fareham, United Kingdom

On-site Permanent Clearance Required

Lead Test Engineer

This role involves leading test engineering for advanced electro-mechanical systems used in underwater robotics. The engineer will define test strategies, develop automated test solutions using LabView and scripting languages, and oversee testing across development and production lifecycles. They will manage test facilities, conduct failure analysis, and ensure rigorous validation of complex multi-disciplinary systems.

Saab Fareham, United Kingdom

On-site Permanent Clearance Required

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

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

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

Security Engineering Manager, London or Lausanne

Lead and scale a security engineering team at the forefront of AI-driven drug discovery, designing and implementing a robust, AI-first security architecture. Translate complex scientific and business objectives into secure, automated systems while enabling high-velocity research in a regulated, cloud-native environment. Collaborate closely with ML researchers, medical teams, and Google/Alphabet partners to secure cutting-edge digital biology platforms.

Isomorphic Labs United Kingdom

Hybrid Permanent

Senior Cloud Native Security Architect

This role involves leading complex cloud-native security engagements with customers, designing and implementing secure solutions in Kubernetes and multi-cloud environments, and acting as a trusted technical advisor. The architect will guide customers through identity, secrets management, and workload security challenges while contributing to internal initiatives and mentoring peers. Work spans high-level strategy and hands-on configuration across open-source and cloud platforms.

Palo Alto Networks United Kingdom

Remote Permanent

Sr. Security Researcher , DEU)

Conducts advanced vulnerability research and exploit development, analyzing patches and malware to identify 0-day and n-day vulnerabilities. Develops automated tools for large-scale data analysis and supports threat intelligence teams with technical insights. Publishes findings internally and externally through blogs or conferences.

CrowdStrike Alba / Scotland

Remote Permanent

Sr. Security Researcher , DEU)

Develop automated tools for collecting and analyzing security data at scale, including vulnerability research, exploit development, and reverse engineering. Support threat intelligence efforts by identifying malicious infrastructure, analyzing patches, and reproducing 0-day exploits. Publish findings internally and externally while collaborating across teams to deliver actionable technical insights.

CrowdStrike England

Remote Permanent

Mid-Level Software Engineer

Mid-Level Software EngineerJoin a growing Cyber Security SaaS business that’s investing heavily in its in-house engineering capability and the next stage of its product. You’ll work across a modern cloud-based platform, building new features, improving existing functionality utilising AI and...

Addition Leeds, United Kingdom £38,000 – £43,000 pa

Applied Scientist Lead - Computer Vision

Lead a team of applied scientists building computer vision and machine learning systems for identity verification at scale. Focus on developing vision-language models and compact mobile-optimized models to combat fraud and improve digital trust. Work closely with product and engineering to deploy resilient, production-grade systems in adversarial environments.

Entrust London, United Kingdom

On-site Permanent

Applied Scientist I

This role involves developing and training advanced machine learning models for digital identity verification, with a focus on areas like deepfake detection, bias mitigation, document understanding, and efficient on-device ML. The candidate will conduct research, build multimodal models using synthetic data, optimise training performance across GPUs, and collaborate with engineering teams to deploy solutions globally. Work includes creating large-scale datasets, benchmarking vision-language models, and improving fairness in biometric systems.

Entrust London, United Kingdom

Senior / Research Associate - Language Modelling

Conducts cutting-edge research in language modelling within a multidisciplinary team, focusing on sovereign AI capabilities for national resilience and public benefit. The role involves leading research initiatives, publishing findings, securing funding, and mentoring junior researchers. Work spans model training, fine-tuning, evaluation, and ethical deployment in collaboration with internal and external stakeholders.

The Alan Turing Institute London, United Kingdom £45 – £58 pa

Contract

Product Manager - NDR

This role involves shaping the Network Detection and Response (NDR) product within Darktrace’s AI-driven cybersecurity platform. The Product Manager will bridge customer needs, technical development, and go-to-market strategy, working closely with R&D, marketing, and sales teams. Key responsibilities include defining product direction, validating features, and ensuring effective internal and external communication of product capabilities.

Darktrace Cambridge, CB2 3BJ, United Kingdom

Hybrid Permanent