Latest National Security Jobs

Machine Learning 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

Software Engineer, Cloud Infrastructure

This role involves designing and building scalable development and production platforms that power OpenAI's core products like ChatGPT and the API. The engineer will work on Kubernetes clusters, cloud abstractions, networking, and infrastructure deployment systems, ensuring reliability, security, and scalability. The position includes on-call responsibilities and emphasizes a culture of inclusion, safety, and technical excellence in a fast-paced environment.

OpenAI London, United Kingdom

Permanent

Site Reliability Engineer

The role involves deep expertise in a specific reliability domain such as observability, performance engineering, or security-focused SRE, with responsibility for defining standards, building automation, and improving system resilience across a cloud-native platform. The engineer will lead incident response, develop tooling for scalability, and integrate reliability practices across Platform Engineering and DevSecOps. Emphasis is placed on cross-team collaboration, operational excellence, and driving long-term fixes for complex systemic issues.

Darktrace Cambridge, CB2 3BJ, United Kingdom

Hybrid Permanent

Account Executive

This role involves driving new business sales in cybersecurity across Central and Eastern Europe, owning the full sales cycle from prospecting to closing. You'll engage with enterprise clients, present AI-powered threat defense solutions to CISOs and security teams, and collaborate with technical experts and SDRs. The position supports remote work from Poland or London and emphasizes relationship-building in a high-growth, tech-driven environment.

Darktrace Poland

Remote Permanent

Applied AI Engineer, Digital Natives

An Applied AI Engineer will work directly with enterprise customers to design, build, and deploy AI systems that solve real-world business problems. The role involves hands-on coding, system integration, and technical leadership to guide AI solutions from prototype to production, with a focus on reliability, safety, and measurable impact. The position requires deep technical expertise and strong collaboration with both customer teams and internal OpenAI groups.

OpenAI London, United Kingdom

Hybrid Permanent

Engineering Manager - Core Infrastructure

Lead a team of engineers building foundational infrastructure-as-code platforms at a high-scale cybersecurity company. Drive cloud cost optimization, multi-cloud deployment standards, and SRE practices across distributed systems processing trillions of events daily. Collaborate on architecture design, incident analysis, and AI-driven workflow improvements in a flexible, innovation-focused environment.

CrowdStrike Reading, United Kingdom £140,000 – £215,000 pa

Remote

Engineering Manager - Core Infrastructure

This role involves leading a team of engineers to build and maintain scalable core infrastructure services on a distributed systems platform, focusing on self-service infrastructure-as-code, cloud cost optimization, and high-availability standards across multi-cloud environments. The Engineering Manager will drive technical strategy, mentor senior engineers, and collaborate on architecture design while enforcing SRE and DevOps best practices. The position emphasizes AI-driven decision-making and innovation within a high-performance cybersecurity environment.

CrowdStrike London, United Kingdom £140,000 – £215,000 pa

Remote

Associate Director, Data Engineering

Lead the development and strategy of a unified data platform integrating wet and dry lab data to support drug discovery. Manage data engineering teams, optimize scientific compute pipelines using Nextflow and Seqera, and ensure FAIR data principles with strong governance and lineage. Operate in a highly interdisciplinary environment bridging biology, machine learning, and engineering.

Relation Therapeutics London, United Kingdom

On-site Permanent

Research Data Engineer

Design and build scalable data systems to support multi-omics and machine learning in drug discovery. Focus on data pipelines, storage layouts, and infrastructure for high-dimensional biological datasets. Collaborate closely with ML scientists and research engineers to enable efficient model training and experimentation.

Relation Therapeutics London, United Kingdom

Hybrid Permanent

Principal AI Engineer

Leads technical AI projects involving high-throughput vision systems on NVIDIA Jetson hardware, with a focus on real-time tracking, multi-modal sensor integration, and AI assurance. Provides technical leadership across the design lifecycle and mentors junior engineers. Works in multidisciplinary teams and engages with stakeholders to shape project direction and innovation in edge AI systems.

Synoptix Gloucestershire, United Kingdom £65,000 – £85,000 pa

Principal AI Engineer

Lead the technical direction of AI systems in high-stakes environments, focusing on computer vision, edge AI, and AI assurance. Work with multi-modal sensors and NVIDIA Jetson platforms to develop robust real-time tracking solutions. Contribute to research, prototyping, and best practices across the AI engineering lifecycle while mentoring junior engineers and collaborating with cross-functional teams.

Synoptix Stoke Gifford, Gloucestershire, United Kingdom £65,000 – £85,000 pa

Senior Full-Stack Software Engineer, (Forward Deployed), GPS

This role involves building full-stack AI applications in collaboration with public sector clients to solve critical challenges. The engineer will architect and deploy production-grade systems, integrate AI models, and work directly within client environments to deliver scalable solutions. Emphasis is placed on rapid iteration, cloud infrastructure, and cross-functional collaboration with design, product, and data teams.

Scale AI London, United Kingdom

Hybrid Permanent Clearance Required

Staff Full-Stack Software Engineer, (Forward Deployed), GPS

This role involves leading the design and implementation of full-stack AI applications for public sector clients, translating complex mission requirements into secure, scalable technical solutions. The engineer will work directly with government teams to build production-grade systems, integrate AI models with interactive UIs and backends, and establish reusable patterns from real-world deployments. It emphasizes architectural leadership, cloud infrastructure governance, and mentoring within high-impact, security-sensitive environments.

Scale AI London, United Kingdom

On-site Permanent Clearance Required

Senior Technical Program Manager (InfoSec), London

This role involves translating the company's information security strategy into actionable engineering initiatives, managing complex security projects across cloud infrastructure, identity access management, and secure software development. The person will act as a bridge between security and engineering teams, ensuring robust protection of AI models and sensitive drug discovery data while maintaining research velocity. Key responsibilities include building automated dashboards for risk visibility, securing emerging AI workflows, and navigating the Google/Alphabet ecosystem.

Isomorphic Labs London, United Kingdom

On-site Permanent

Solutions Architect (Media, Entertainment and Agencies)

Design and implement scalable data and AI solutions on the Databricks platform for media, entertainment, and agency clients. Lead technical engagements from discovery through production, advising senior stakeholders and orchestrating cross-functional teams. Focus on real-time analytics, ML/AI, or data governance with hands-on coding and architecture design.

Databricks London, United Kingdom