Latest Defence Jobs

Principal AI & Algorithms Engineer (Defence & Security)

This role involves leading the design and implementation of advanced algorithms for intelligent systems in defence and security contexts, with a focus on machine learning, AI, and sensor processing. You'll act as technical architect on complex projects, mentor engineers, and contribute to client-facing proposals and sales efforts. The position requires security clearance and combines hands-on development with strategic technical leadership in multidisciplinary teams.

Cambridge Consultants United Kingdom

Hybrid Permanent Clearance Required

Agentic AI Engineer (Defence & Security)

This role involves designing and implementing cutting-edge AI solutions for defence and security clients, taking technical ownership of projects, mentoring junior colleagues, and contributing to new business opportunities. The work requires a strong background in Python and agentic AI, with a genuine interest in the defence sector.

Cambridge Consultants United Kingdom

Principal Machine Learning Engineer

This role involves leading the design and implementation of scalable machine learning systems within high-stakes defence projects. You'll act as a technical authority, solving cross-cutting challenges, shaping architectural strategy, and mentoring engineering teams. The work combines advanced AI innovation with real-world deployment in secure, mission-critical environments.

Faculty UK - Remote

Hybrid Permanent

Senior Data Scientist (Safety)

Lead high-impact AI safety projects by designing novel evaluation frameworks and robust software architectures for frontier AI labs. Mentor technical team members and ensure scientific rigour across the project lifecycle while contributing to thought leadership through research and open-source contributions. Work at the intersection of national security and cutting-edge AI development to advance responsible deployment.

Faculty London, Greater London, United Kingdom

Hybrid Permanent

Senior Data Scientist

Lead high-impact AI projects in the defence sector, designing end-to-end data science solutions and robust software architectures. Mentor junior data scientists, lead delivery teams, and collaborate with clients to translate complex problems into rigorous technical frameworks. Contribute to thought leadership through open-source work, public speaking, and training, while ensuring ethical and reliable AI deployment in high-stakes environments.

Faculty AI United Kingdom

Remote Permanent Flexible Clearance Required

Senior Machine Learning Engineer

Lead the design and deployment of production-grade machine learning systems for high-impact clients, particularly in the defence sector. Focus on scalable, ethical AI solutions using cloud platforms and modern MLOps practices. Mentor junior engineers and shape engineering standards while working across technical, product, and client teams.

Faculty AI London

Remote Permanent Flexible Clearance Required

Machine Learning Engineer - Spiking Neural Networks

This role involves developing a Spiking Neural Network engine for machine vision applications, working closely with researchers and engineers. Responsibilities include C++ software development, integrating ML algorithms, and supporting synthetic training data generation.

MFK Recruitment Brentford, Greater London, United Kingdom £75,000 – £100,000 pa

Deployment Strategist

As a Deployment Strategist, you will build and maintain relationships with key customer stakeholders, understand their engineering challenges, and translate them into product opportunities. You will own the customer onboarding journey, support delivery teams, and identify new areas for growth and innovation using PhysicsX's AI solutions.

PhysicsX New York, United States

Research Scientist - Large Geometry Models

This role involves owning a research work-stream focused on 3D geometry representation and generation, designing and training generative models, and working with ML and simulation engineers to solve complex engineering challenges. The position requires a PhD in a relevant field and expertise in generative models, geometric deep learning, and 3D vision.

PhysicsX London, Greater London, United Kingdom

AI/ML Research Consultant

This role involves tackling diverse real-world challenges using AI/ML technologies, designing and deploying machine learning systems, and conducting research on the latest techniques. You will work on projects ranging from proofs-of-concept to working prototypes, collaborating with clients and contributing to a fast-paced, innovative environment.

TTP Cambridge, Cambridgeshire, United Kingdom

Permanent

Director of Financial Crime

This role involves leading the financial crime prevention function, integrating advanced technologies like AI and data analytics to enhance regulatory compliance and customer trust. You will work closely with senior leadership and cross-functional teams to build scalable controls and drive continuous improvement in KYC, transaction monitoring, and fraud detection.

Adria Solutions Manchester, Greater Manchester, United Kingdom £100,000 – £150,000 pa

Technical Director, Safety Case

As Technical Director, Safety Case, you will lead the development of safety cases for Wayve's autonomous driving products, including robotaxis and ADAS systems. You will work closely with cross-functional teams to ensure that safety requirements, architectures, and validation plans align with the safety case, providing independent oversight and technical challenge.

Wayve London, Greater London, United Kingdom

Hybrid Permanent

Protection Scientist Engineer, Intelligence and Investigations

Design and build systems to proactively detect and enforce against abuse on OpenAI's products, including monitoring for new launches and responding to critical escalations. Work cross-functionally with product, policy, and engineering teams to develop scalable safety mitigations and investigate high-risk harms. The role involves handling sensitive content and participating in an on-call rotation for urgent issues.

OpenAI London, Greater London, United Kingdom

On-site Permanent Clearance Required

Security Architect

This role involves leading the AI and digital platform security strategy, designing scalable defense architectures, and guiding engineering teams in secure-by-design principles. The candidate will also provide technical direction during incidents, advise C-suite stakeholders, and mentor a team of security professionals.

Randstad Technologies Recruitment Birmingham, West Midlands, United Kingdom £300 – £400 pd

Staff+ Software Engineer, Safeguards Infrastructure

Build foundational systems for AI safety, oversight, and intervention mechanisms, focusing on detecting unwanted model behaviors and preventing disallowed use. Develop infrastructure for data management, metrics, evaluations, and review tooling while ensuring high operational reliability and scalability. Work across the stack to create multi-layered, real-time safety defenses with minimal human intervention.

Anthropic London, Greater London, United Kingdom £255,000 – £325,000 pa

Hybrid Permanent