Senior AI Agents Infrastructure Engineer

Company: OpenAI, Inc.
Apply for the Senior AI Agents Infrastructure Engineer
Location: London
Job Description:

OpenAI seeks engineers to build the infra powering Codex agents in production. This role focuses on systems that let models safely execute code, interact with tools, complete long-running tasks, and operate reliably and efficiently at scale.

You’ll design and operate the infrastructure behind sandboxed execution, orchestration, stateful workflows, app-server and SDK boundaries, and model rollouts. You’ll work at the intersection of distributed systems, developer tooling, and AI, building

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Posted: November 5th, 2026