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OpenAI
AI Systems Engineer, Codex Agents
San Francisco, CA · On-site / hybrid
Build and operate the systems behind Codex agents, spanning agent execution, evaluation, inference performance, capacity, and production reliability.
Verified official posting · OpenAI Careers · openai.com/careers/ai-systems-engineer-codex-agents-san-franciscoOpen job ↗
Skill signals in this role
agent harnessorchestrationevalssandboxed executioninferenceGPU fleetlatencyreliability
HighScore maps them to
Open capability map →2.4Agentic Workflows & Multi-Agent SystemsOrchestrate autonomous workflows, specialist agents, planning, and delegation.2.5Tools, APIs & Agent ProtocolsGive models tools and connect agents through APIs, protocols, and integrations.3.4Model Evaluation & QualityMeasure model and application quality with practical evaluation methods.3.5Model Serving & Inference OptimizationServe models efficiently and optimize inference for speed, scale, and cost.4.1AI Servers, GPUs & AcceleratorsUnderstand the compute platforms and accelerators that power AI workloads.4.7AI Cluster Operations, Observability & ReliabilityOperate AI infrastructure with observability, resilience, and production discipline.
Learn these skills next
Browse all courses →Kaggle5-Day AI Agents: Intensive Vibe Coding Course With GoogleAgentic Workflows & Multi-Agent Systems · IntermediateOpenAIAgents and WorkflowsAgentic Workflows & Multi-Agent Systems · BeginnerDeepLearning.AIFast & Efficient LLM Inference with vLLMModel Serving & Inference Optimization · Intermediate