Latest Defence Jobs

Software Engineer

This role involves building and scaling the Frontier Decision Intelligence platform, focusing on creating robust APIs and SaaS user experiences using Python and TypeScript. The engineer will solve complex, real-world problems in sectors like healthcare and defence, working closely with data scientists and product teams to deliver production-grade AI solutions. The position emphasizes technical leadership, system architecture, and innovation in a cross-functional environment.

Faculty AI London, United Kingdom

Hybrid Permanent

Senior Research Scientist - AI Safety

This role involves leading high-impact AI safety research, focusing on red teaming and evaluations for frontier models in high-risk domains such as cybersecurity and national security. The scientist will drive technical research from concept to publication, shape safety strategies, and support real-world deployment of responsible AI systems through collaboration with government and commercial partners.

Faculty AI London, United Kingdom

Hybrid Permanent Clearance Required

Associate (Safety)

This role involves scoping, building, and delivering AI safety projects with a focus on frontier model evaluations and government collaboration. The Associate will translate complex operational needs into technical requirements, support red teaming and evaluation efforts, and help optimise AI tools for real-world use in high-stakes environments. Work is cross-functional, combining client engagement with technical delivery in national security and AI safety contexts.

Faculty London, United Kingdom

Permanent

Senior Manager - Communications and Media

This role involves leading and delivering AI-driven projects for clients in the communications and media sector, managing end-to-end project portfolios, and serving as the primary client liaison. The Senior Manager will mentor cross-functional teams, develop strategic proposals, and identify growth opportunities while ensuring technical and commercial success. The position combines consulting, project leadership, and business development in a high-impact AI environment.

Faculty London, United Kingdom

Hybrid Permanent

CFD Multiphase & DEM Engineer

This role involves developing high-fidelity multi-physics simulation models, particularly in multiphase CFD and coupled CFD-DEM, to support AI-driven engineering solutions. The engineer will work directly with customers across industries like aerospace, energy, and automotive to build and validate complex simulations, automate workflows, and generate data for machine learning. Key responsibilities include geometry processing, meshing, simulation, and optimisation using tools like Star-CCM+, OpenFOAM, or Fluent, alongside Python scripting and parametric CAD integration.

PhysicsX London, United Kingdom

Principal Machine Learning Infrastructure Engineer

This role involves designing and operating distributed machine learning infrastructure for large-scale physics-based AI models, with a focus on training efficiency, data pipeline performance, and model serving. The engineer will work closely with research scientists and ML engineers to build scalable systems on NVIDIA DGX hardware, optimize I/O for complex mesh datasets, and enable reliable deployment of models into customer environments. A strong foundation in distributed training, HPC systems, and Kubernetes is essential.

PhysicsX London, United Kingdom

Lead Machine Learning Engineer - Retail

Lead Machine Learning Engineer to define technical direction for AI projects in retail, designing scalable ML systems and mentoring engineering teams. Focus on innovation, architectural integrity, and delivery of reusable solutions across high-impact client engagements.

Faculty London, United Kingdom

On-site Permanent

Platform Engineer

Design and deploy secure, scalable cloud infrastructure for AI and machine learning workflows using AWS and Azure. Enable data scientists and ML engineers through infrastructure-as-code, reusable libraries, and best practices. Work cross-functionally to solve complex technical challenges in life sciences and other sectors.

Faculty London, United Kingdom

Hybrid Permanent

Data Scientist

Design and deliver custom data science solutions for high-impact projects in the defence sector, working closely with clients and cross-functional teams. Focus on ethical, reliable AI applications requiring technical leadership, rigorous model development, and clear communication of insights to non-technical stakeholders. Contribute to thought leadership through teaching or open-source work.

Faculty London, United Kingdom

Hybrid Permanent

Machine Le arning Engineer

This role involves building and deploying production-grade machine learning systems for high-impact clients in national security and AI safety. The engineer will lead technical architecture decisions, operationalise models using frameworks like TensorFlow and PyTorch, and develop scalable ML infrastructure. Collaboration with cross-functional teams and direct client engagement are key, with a focus on translating complex AI concepts into real-world solutions.

Faculty London, United Kingdom

Hybrid Permanent

Content & Communications Strategist

This role involves crafting and delivering compelling narratives that translate complex technical work in AI and engineering into accessible content for diverse audiences. You'll shape the company's voice across digital platforms, events, and internal communications, collaborating closely with engineers and leadership to build credibility and support talent acquisition. Success requires blending storytelling skill with technical fluency in a fast-paced, high-impact environment.

PhysicsX London, United Kingdom

Hybrid Permanent

Research Program Manager

The Research Program Manager will operationalize and coordinate high-impact research initiatives at a deep-tech AI company, translating ambitious scientific goals into structured programs. This role ensures alignment across research, product, and engineering teams, manages delivery cadence, and supports external collaborations—enabling scientists to focus on innovation while maintaining strategic coherence. The position is central to scaling research operations in a fast-growing, interdisciplinary environment.

PhysicsX London, United Kingdom

Forward Deployed Software Engineer

Design and build full-stack applications that integrate AI-driven physics simulation models into real-world engineering workflows. Collaborate with customers on-site and remotely to develop, prototype, and iterate tools that solve complex engineering challenges across aerospace, energy, and manufacturing. Work across backend services, APIs, and cloud infrastructure while contributing to core platform development and shaping product direction based on cross-industry use cases.

PhysicsX London, United Kingdom

Senior Simulation Engineer - Electromagnetics Specialist

Develops high-fidelity electromagnetic simulations across low- and high-frequency domains, focusing on semiconductor, aerospace, and automotive applications. Builds and validates complex EM models, automates simulation workflows, and collaborates with data science teams to train AI surrogates. Works on-site with customers to solve engineering challenges using advanced simulation and AI-driven tools.

PhysicsX North Tyneside, NE29 8EP, United Kingdom

Senior CFD Engineer - Plasma Specialist

You will develop high-fidelity computational plasma models for semiconductor manufacturing processes such as etching and deposition, working directly with customers on-site to solve niche engineering challenges. You'll integrate simulations with AI workflows using tools like COMSOL and CFD-ACE+, validate models against real-world data, and collaborate with data scientists and ML engineers. The role involves global travel and combines technical leadership with mentoring junior colleagues.

PhysicsX London, United Kingdom

Hybrid Permanent