Infrastructure Software Engineer – LLM Evaluations London · Full-time · On-site We're looking for an experienced Infrastructure Software Engineer to help build and maintain the systems that support cutting-edge evaluations of large language models (LLMs). You’ll lead decisions on infrastructure design, scale our evaluation tools, and work closely with researchers to support future needs. Responsibilities: Build and manage scalable infrastructure for LLM evaluations (IaC, AWS, Kubernetes) Develop internal tools for orchestration, access, storage, and debugging Lead on cloud security and infrastructure best practices Collaborate across engineering and research to support experimental deployments You should have: Strong engineering skills (preferably in Python) Hands-on experience with AWS, Kubernetes, and Terraform A track record of leading infra projects end-to-end Experience implementing cloud and container security practices