Latest OpenAI Jobs

Software Engineer, Model Deployment- ChatGPT Engineering

Design and operate software managing large-scale GPU clusters for ChatGPT inference, building automation and observability systems to improve fleet efficiency, reliability, and developer productivity. Work across infrastructure, research, and product teams to optimize compute utilization and build AI-powered operational tooling.

OpenAI London, United Kingdom

Hybrid Permanent

Applied AI Engineer, Codex

This role involves working directly with engineering teams to design and implement AI-powered software development workflows using Codex. The engineer will build prototypes, integrations, and evaluation systems, often leveraging Codex in their own development process. They will guide clients from experimentation to production deployment, ensuring measurable improvements in developer productivity and software delivery.

OpenAI London, United Kingdom

Hybrid Permanent

Technical Director of AI Safety

Leads technical strategy and R&D in AI safety, building and mentoring a high-performing team to develop cutting-edge evaluations and mitigation techniques for frontier AI models. Shapes global AI safety discourse through thought leadership, publications, and collaboration with leading labs and governments. Translates advanced research into practical safety solutions while representing the organisation at the highest technical and policy levels.

Faculty AI London, United Kingdom

Hybrid Permanent Clearance Required

Senior MLOps Engineer

Develop and maintain MLOps infrastructure to productionise advanced AI and computer vision models, from distributed training to deployment on cloud and GPU-accelerated edge devices. Work closely with research and engineering teams to build scalable CI/CD pipelines, model registries, and monitoring systems. Operate in high-assurance environments with exposure to defence and security applications.

MFK Recruitment Brentford, London, TW8 9DE, United Kingdom £75,000 – £100,000 pa

Hybrid Permanent Clearance Required

Senior Software Security Developer – Core Platform Services

This role involves designing and implementing core security features for a high-performance simulation platform, with a strong focus on authentication, secure coding standards, and cross-team collaboration. The developer will act as a security SME, conducting threat modeling, code reviews, and mentoring engineers across the organization. Work spans identity protocols, platform guardrails, and incident response support within a fast-paced, AI-driven engineering environment.

PhysicsX London, United Kingdom

Member of Technical Staff - RL Environments

Build and refine reinforcement learning environments to train and evaluate AI agents for enterprise applications. Design tasks, synthetic data pipelines, and verifiers while collaborating with modeling and product teams to close capability gaps. Work in a security-first AI company with a focus on measurable agentic performance and scalable evaluation systems.

Cohere London, United Kingdom

Hybrid Permanent

Forward Deployed Engineer, Infrastructure Specialist (UK Public Sector)

This role involves leading end-to-end deployments of Cohere’s North AI platform in private cloud and on-premises environments for UK public sector clients. The engineer will work closely with enterprise IT teams to assess infrastructure, security, and data management needs, designing secure, compliant deployment strategies while troubleshooting technical issues. The position emphasizes hands-on work with Kubernetes, cloud infrastructure, and DevOps practices in high-stakes sectors like finance and healthcare.

Cohere United Kingdom

Remote Permanent

Applied AI Security Architect

This role involves serving as the primary security and compliance expert for Anthropic’s enterprise customers in EMEA, particularly within highly regulated industries. The individual will lead technical discussions on AI security, data protection, and regulatory compliance, supporting pre-sales engagements with institutions like banks and insurers. They will also shape customer trust by designing secure deployment architectures for Claude and influencing product development based on frontline feedback.

Anthropic London, United Kingdom £190,000 – £225,000 pa

On-site Permanent

Engineering Manager, Connectivity - London

Lead a distributed engineering team building critical connectivity infrastructure for AI agents, focusing on secure, scalable access to external systems via the MCP standard. Responsibilities include managing token management, OAuth flows, and proxy systems that power tool use across Anthropic's products. The role emphasizes operational rigor, cross-team alignment, and technical leadership in a high-trust, enterprise-focused environment.

Anthropic London, United Kingdom

Hybrid Permanent

AI Product Analyst

This role involves establishing and owning the product analytics and evaluation framework for AI products across multiple professional domains. The analyst will measure performance using metrics like retrieval quality and user engagement, build dashboards, curate golden datasets with subject-matter experts, and deliver insights to guide investment decisions. The position works closely with engineering and product teams to shape development through data, with a focus on real-world impact and model correctness.

The Portfolio Group London, United Kingdom £80,000 – £85,000 pa