AI Systems Engineer, Codex Agents

Location: San Francisco, New York City, Seattle (United States)
Workplace: Not stated
Type: Full-time
Team: Applied AI
Salary: USD 230,000 – 385,000
Posted: 2026-05-15 (5mo ago)
Source: OpenAI's career page (Ashby)
Last checked: 2026-11-10 (2h ago)

About the role

AI Systems Engineer - Codex Core Agents About The Team The Codex Core Agents team builds the agent harness that turns model capability into real-world action. We own the systems around the model: prompting and interpreting model outputs, executing actions safely in real environments, and feeding production experience back into better models and better agent behavior.…

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