Latest Defence Jobs

Senior Electronics Engineer (Digital Focus)

As a Senior Electronics Engineer with a digital focus, you will collaborate with multidisciplinary teams to solve complex technical challenges across various industries. You will work on high-speed electronics projects, such as 5G phased arrays and custom developments for defense and security, while also developing your skills in digital design and client-facing roles.

Cambridge Consultants United Kingdom

On-site Permanent Clearance Required

PhD Physicist (2026 start)

This role involves applying advanced physics knowledge to solve complex engineering challenges across industries like Healthcare, Defence, and Energy. You will work on diverse projects, from developing novel imaging systems to designing ultrasonic measurement tools, while receiving mentoring and training to grow your career.

Cambridge Consultants United Kingdom

On-site Permanent Clearance Required

Lead Machine Learning Engineer

As a Lead Machine Learning Engineer, you will set the technical direction for complex AI projects, design and implement scalable ML systems, and guide architectural decisions. You will lead a team of engineers, mentor junior members, and drive innovation by developing shared resources and libraries. This role involves working on high-impact projects across various industries, ensuring technical excellence and safe deployment.

Faculty AI London, United Kingdom

Hybrid Permanent

Associate

As an Associate, you will work closely with financial services stakeholders to scope, build, and deliver impactful AI projects. Your responsibilities include managing work streams, conducting open-source analysis, translating operational requirements into user stories, and collaborating with technical teams to ensure successful project delivery and client satisfaction.

Faculty AI London, United Kingdom

Hybrid Permanent

Customer Director - Professional Services

The Customer Director will lead AI transformation programmes for professional services firms, building long-term relationships with C-suite leaders and driving high-value growth. The role involves shaping go-to-market strategies, delivering strategic advice, and managing multidisciplinary teams to ensure successful project delivery and industry leadership.

Faculty London, United Kingdom

On-site Permanent

Lead Forward Deployed Engineer

As a Lead Forward Deployed Engineer, you will set the technical direction for complex AI projects, design and maintain scalable ML systems, and lead a team of engineers. You will work on high-impact projects across various industries, driving innovation and ensuring sound architectural decisions.

Faculty 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 stress-test 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 alignment, misuse, and control of AI systems.

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

On-site Permanent Clearance Required

Data Scientist

As a Data Scientist, you will apply advanced analytical and machine-learning techniques to support major UK Government programmes. You will collaborate with multidisciplinary teams to design, develop, and operationalise data-driven solutions, translating insights into actionable recommendations and contributing to the operationalisation of models in production environments.

Appcast Enterprise Bristol, United Kingdom

Hybrid Permanent Clearance Required

Security Architect (Defense, Threat Detection & Response)(ATR)

This role involves designing and maintaining end-to-end security architecture for advanced threat detection and response across cloud, network, and endpoint environments. You will lead vendor evaluations, PoCs, and integrate security tooling into SIEM platforms, ensuring security, risk, and compliance requirements are met.

Robert Walters London, United Kingdom £80,000 – £90,000 pa

On-site Permanent

DevOps Consultant

About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries....

PhysicsX London, United Kingdom

Hybrid Permanent

Senior Computer Vision Data Scientist

This role involves leading the development of physics-informed predictive maintenance systems for high-value industrial equipment. You will work directly with major industrial customers to build pipelines that fuse periodic inspection imagery with equipment operating history and physics-based inputs to predict remaining component life, helping operators reduce costly unplanned interventions and optimize asset availability.

PhysicsX North Tyneside, NE29 8EP, United Kingdom

On-site Permanent

Protection Scientist Engineer, Intelligence and Investigations

This role involves designing and building systems to proactively identify and enforce against abuse on OpenAI’s products. You will work cross-functionally with product, policy, and engineering teams to develop robust abuse monitoring, automate processes, and respond to critical escalations, including those involving sensitive content.

OpenAI London, United Kingdom

On-site Permanent Clearance Required

Head of Software

Head of SoftwareLocation: CambridgeSalary: £95,000 - £110,000+ (Negotiable based on experience)Work Pattern: 3 days onsite per weekThe OpportunityAre you a seasoned technical leader looking to shape the future of a multidisciplinary software department? We are seeking a high-caliberHead of Software...

Morgan McKinley Cambridge, United Kingdom £110,000 – £950,000 pa

Permanent

Senior Security Engineer (AI Safety), London or Lausanne

This role involves securing AI-driven drug discovery systems by designing risk frameworks, protecting machine learning artifacts, and implementing security controls across AI infrastructure. The engineer will lead incident response for AI-specific threats, enforce compliance with global regulations, and develop safety mechanisms for autonomous agentic workflows and large language models in a high-stakes scientific environment.

Isomorphic Labs United Kingdom

Hybrid Permanent

Senior HPC Performance Engineer

In this role, you will analyze and optimize High Performance Computing (HPC) applications on NVIDIA's HPC servers and systems. You will work with a range of applications, from small benchmarks to large-scale distributed-memory systems, and provide insights to compiler and application engineering teams to drive performance improvements.

NVIDIA Germany

Remote Permanent