Infrastructure Engineer, Codex Core Agents

openai; General Trias; On-site; PHP 7,495,000 - 11,243,000; Full time

Job summary

OpenAI is seeking engineers to build the infrastructure powering Codex agents in production. The role focuses on systems that let models safely execute code, interact with tools, and operate reliably and efficiently at scale.

You’ll design and operate sandboxed execution, agent orchestration, and model rollouts, building primitives that improve speed, safety, and reliability for the organization.

Qualifications

• Experience in distributed systems is a must.
• Comfort with backend systems, APIs, and developer tooling.
• Focus on reliability, performance, and security.

Responsibilities

• Design and build infrastructure enabling AI agents to execute code safely.
• Develop orchestration and stateful workflows for long-running tasks.
• Improve performance, latency, and cost across production fleet.

Job description

OpenAI is seeking engineers to build the infrastructure powering Codex agents in production. The role focuses on systems that let models safely execute code, interact with tools, and operate reliably and efficiently at scale.

You’ll design and operate sandboxed execution, agent orchestration, and model rollouts, building primitives that improve speed, safety, and reliability for the organization.