Latest AI Security Institute Jobs

Senior Machine Learning Engineer

A Senior Machine Learning Engineer will lead the deployment of AI models into production environments for engineering and physics simulations, working closely with customers and cross-functional teams. The role involves building scalable ML pipelines, mentoring engineers, and translating R&D into practical tools using Python, PyTorch, and cloud/on-prem infrastructure. Frequent international travel and on-site collaboration are key aspects of the role.

PhysicsX London, United Kingdom

Staff Software Engineer, Inference

This role involves building and maintaining large-scale, compute-agnostic inference systems that power Claude for millions of users and support cutting-edge AI research. The engineer will work across the full stack, optimizing intelligent request routing, fleet orchestration, and performance across diverse AI accelerators in multi-cloud environments. Projects include autoscaling infrastructure, integrating new hardware, and developing production pipelines for model deployment.

Anthropic London, United Kingdom £325,000 – £390,000 pa

Hybrid Permanent

Staff+ Software Engineer, Safeguards Infrastructure

Build foundational systems for AI safety, oversight, and intervention mechanisms, focusing on detecting unwanted model behaviors and preventing disallowed use. Develop infrastructure for data management, metrics, evaluations, and review tooling while ensuring high operational reliability and scalability. Work across the stack to create multi-layered, real-time safety defenses with minimal human intervention.

Anthropic London, United Kingdom £255,000 – £325,000 pa

Hybrid Permanent

Research Engineer, Machine Learning (Reinforcement Learning)

This role involves collaborating with researchers and engineers to advance the capabilities and safety of large language models through reinforcement learning. Responsibilities include developing core RL infrastructure, designing novel training environments, and optimizing performance across the stack.

Anthropic London, United Kingdom £260,000 – £630,000 pa

On-site Permanent

Research Engineer, Machine Learning (RL Velocity)

As a Research Engineer on the RL Velocity team, you will focus on building and improving the RL training infrastructure, identifying and removing bottlenecks, and partnering with researchers and engineering teams to enhance the efficiency and reliability of Anthropic's AI systems. This role involves high-leverage work that impacts the entire organization's ability to iterate and improve models quickly.

Anthropic London, United Kingdom £370,000 – £630,000 pa

Hybrid Permanent

Research Engineer, Pretraining

A Research Engineer on the Pretraining team will bridge cutting-edge AI research and large-scale systems engineering, focusing on advancing large language models through work in model architecture, training optimization, and data processing. The role involves deep collaboration across research and engineering, with hands-on contributions to the full stack—from low-level infrastructure to high-level model design. Key projects include optimizing attention mechanisms, scaling distributed training, and improving model interpretability.

Anthropic London, United Kingdom £260,000 – £630,000 pa

On-site Permanent

Research Engineer, Pretraining Scaling - London

This role involves owning critical parts of Anthropic's production pretraining pipeline for large language models, focusing on performance optimization, debugging across hardware and training dynamics, and ensuring reliable, scalable model training. The position requires deep technical expertise in distributed systems and ML frameworks, with hands-on responsibilities during high-pressure model launches and a strong emphasis on operational reliability and cross-team coordination.

Anthropic London, United Kingdom £260,000 – £630,000 pa

On-site Permanent

[Expression of Interest] Research Engineer / Scientist, Alignment - London

This role involves conducting experimental research in AI safety and alignment, focusing on risks from advanced AI systems. You'll design and run machine learning experiments—such as testing safety robustness, developing control methods, and stress-testing alignment—to improve the reliability and steerability of AI. The work is highly collaborative, involving contributions to research papers and close coordination with teams like Interpretability and Fine-Tuning.

Anthropic London, United Kingdom £260,000 – £370,000 pa

Hybrid Permanent

Senior Software Engineer

Design and maintain large-scale, high-availability distributed backend systems for automated in-store order fulfilment. Integrate AI tools like GitHub Copilot and Gemini into development workflows to improve code quality and efficiency. Collaborate with product and business teams in an agile environment, contribute to architectural vision, and support production systems through on-call rotation while mentoring team members.

Ocado United Kingdom

Hybrid Permanent

Senior Data Analyst

This role involves using advanced analytics to optimise last-mile delivery operations on the Ocado Smart Platform. The analyst will build forecasting and routing models, develop dashboards in Looker, and collaborate with technology and operations teams to improve delivery efficiency and customer experience. They will also mentor team members and drive data best practices across global partners.

Ocado Welwyn Hatfield, United Kingdom

Senior Legal Counsel

Provides expert legal advice on commercial, procurement, and technology transactions across the UK and internationally, with a focus on technology contracts, IP, data protection, and compliance. Supports senior stakeholders and leads on key projects including corporate transactions, while mentoring junior team members and developing legal templates and training. Operates in a fast-paced, innovative environment centred on cloud, robotics, and AI-driven retail solutions.

Ocado Welwyn Hatfield, United Kingdom

Senior GPU Networking Architect

This role involves designing and optimizing GPU communication kernels to enable efficient data movement in large-scale AI systems. The engineer will work at the intersection of GPU architecture and networking, developing low-level software that leverages hardware capabilities like NVLink and RDMA. Responsibilities include profiling performance bottlenecks, co-designing communication strategies with hardware teams, and advancing programming models for GPU-aware networking.

NVIDIA Switzerland £292,500 – £650,000 pa

On-site Permanent

Senior GPU Networking Architect

This role involves designing and optimizing GPU communication kernels to support large-scale AI systems, with a focus on improving efficiency, latency, and compute-communication overlap. The engineer will work at the intersection of GPU architecture and networking, developing low-level software that integrates tightly with hardware capabilities. Collaboration with cross-functional teams is key to co-designing communication strategies aligned with emerging AI model architectures.

NVIDIA £292,500 – £650,000 pa

Remote Permanent

Senior GPU Networking Architect

Design and optimize GPU communication kernels for large-scale AI systems, focusing on low-level performance tuning and co-design with hardware. Develop GPU-resident primitives and device-side APIs to enable efficient, fine-grained data movement across accelerators and nodes. Collaborate with cross-functional teams to shape GPU-aware networking strategies and programming models for next-generation AI workloads.

NVIDIA PLN 292,500 – PLN 650,000 pa

Remote Permanent

Senior GPU Networking Architect

Design and optimize GPU communication kernels for large-scale AI systems, focusing on low-level performance tuning and co-design with networking hardware. Develop GPU-resident primitives and device-side APIs to enable efficient, kernel-initiated data movement across nodes. Collaborate with hardware, software, and AI teams to shape next-generation GPU-aware networking strategies.

NVIDIA PLN 292,500 – PLN 650,000 pa

Remote Permanent