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AI Systems Engineer: Codex Agent Harness & Production

Job in San Francisco, San Francisco County, California, 94199, USA
Listing for: Neura Market
Full Time position
Listed on 2026-07-23
Job specializations:
  • Software Development
    AI Engineer (Applied/Software)
Salary/Wage Range or Industry Benchmark: 180000 - 240000 USD Yearly USD 180000.00 240000.00 YEAR
Job Description & How to Apply Below

OpenAI is seeking an AI Systems Engineer for Codex Core Agents to build dependable agent ecosystems in production. You will work across low-level systems and ML workflows to debug agent behavior end-to-end—from harness to model inference and runtime stacks.

You’ll design and implement the core execution loop, sandboxing, and orchestration, while collaborating with research and product teams to improve performance, safety, and reliability of Codex agents in real-world settings.

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