Latest Defence Jobs

Business Technology Analyst

As a Business Technology Analyst, you will join the IT support team to ensure employees have the necessary technology to succeed. You will handle IT-related queries, resolve technical issues, onboard new employees, and collaborate on strategic IT projects, all while maintaining high standards of technical excellence and innovation.

Faculty AI London, United Kingdom

On-site Permanent

Software Engineer

As a Software Engineer, you will work on the Frontier Decision Intelligence platform, focusing on building scalable, AI-focused solutions that empower organizations to make high-impact decisions. You will collaborate with cross-functional teams to design and implement core features, tackle complex real-world problems, and drive technical best practices.

Faculty AI London, United Kingdom

Hybrid Permanent

Specialist Penetration Tester

Darktrace is a global leader in AI for cybersecurity that keeps organizations ahead of the changing threat landscape every day. Founded in 2013, Darktrace provides the essential cybersecurity platform protecting nearly 10,000 organizations from unknown threats using its proprietary AI.The...

Darktrace London, UB8 1LQ, United Kingdom

Specialist Penetration Tester

Darktrace is a global leader in AI for cybersecurity that keeps organizations ahead of the changing threat landscape every day. Founded in 2013, Darktrace provides the essential cybersecurity platform protecting nearly 10,000 organizations from unknown threats using its proprietary AI.The...

Darktrace Cambridge, CB2 3BJ, United Kingdom

Senior CFD Engineer - Turbomachinery

As a Senior CFD Engineer, you will work closely with Data Scientists and Machine Learning Engineers to build and deliver high-fidelity multi-physics simulations. Your responsibilities include creating complex models, integrating experimental data, and collaborating with customers to solve their engineering challenges using advanced CAE and AI solutions. You will also travel globally to work on-site with clients and mentor junior colleagues.

PhysicsX North Tyneside, NE29 8EP, United Kingdom

On-site Permanent

Principal Security Engineer – DevSecOps and Security Architect

As a Principal Security Engineer, you will lead the integration of security practices into the CI/CD pipeline, conduct threat modeling and secure design reviews, and mentor engineering teams to foster a security-first culture. You'll work closely with cross-functional teams to ensure high-fidelity, multi-physics simulations are secure and scalable, contributing to the company's mission of accelerating hardware innovation.

PhysicsX United Kingdom

Hybrid 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

Manager, Red Team Services , GBR)

The Red Team Manager will lead a team of cybersecurity experts in simulating advanced threat actors to help customers improve their security defenses. This hands-on role involves designing and executing red team assessments, coordinating with senior leadership, and mentoring team members.

CrowdStrike Bigton, Alba / Scotland, ZE2 9GA, United Kingdom

Remote Permanent Clearance Required

Manager, Red Team Services , GBR)

The Red Team Manager will lead a team of cybersecurity experts in simulating threat actor activities to help customers improve their security defenses. This hands-on role involves designing and delivering red team assessments, coordinating with senior leadership, and mentoring team members while actively participating in technical operations.

CrowdStrike London, SE10 0TW, United Kingdom

Remote Permanent Clearance Required

Sr. Security Consultant - GenAI, AWS GenAI Innovation and Delivery

Are you ready to build the future of secure artificial intelligence — not just design it, but actually construct it? The AWS AWS GenAI Innovation and Delivery Center stands at the forefront of the AI revolution, where we're not just...

Amazon London, United Kingdom

Permanent

Solutions Engineer, Large Enterprise

About the TeamThe Technical Success team is responsible for ensuring the safe and effective deployment of ChatGPT and OpenAI API applications for developers and enterprises. We act as a trusted advisor and thought partner for our customers, ensuring developers and...

OpenAI 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 enhance performance.

NVIDIA Germany

Remote 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 improve performance.

NVIDIA

Remote Permanent

Senior Security Engineer

As a Senior Security Engineer, you will play a crucial role in architecting and managing the security of Isomorphic Labs' AI-based platform and HPC infrastructure. You will work closely with DevOps, SRE, and other teams to ensure robust security practices, including threat modeling, incident response, and compliance automation.

Isomorphic Labs United Kingdom

Hybrid Permanent