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OpenAIOpenAISan Francisco, CA

Performance Modeling Engineer ~2

Develop and maintain performance modeling tools to analyze AI system behavior, evaluate tradeoffs in compute, memory, networking, and storage. Requires 1-2 years experience in software engineering or systems analysis, strong programming, and analytical skills.

266k – 445k/yr
Hybrid1+ YOEDevOps / SRE

About the role

Key Responsibilities

  • Support the development and maintenance of performance modeling tools and frameworks
  • Assist in building models to evaluate system behavior across compute, memory, networking, and interconnect subsystems
  • Help analyze distributed system scaling behavior and identify performance bottlenecks
  • Run simulations and analytical models to support architecture and infrastructure decisions
  • Partner with senior engineers to evaluate design tradeoffs across hardware and system components
  • Interpret modeling outputs and help translate findings into clear recommendations
  • Validate models using benchmarking data and real system performance measurements
  • Improve modeling workflows, documentation, and usability for broader team adoption
  • Collaborate cross-functionally with hardware, infrastructure, and architecture teams
  • Continuously build technical depth across AI infrastructure, system architecture, and performance analysis

Qualifications

  • 1–2 years of experience in software engineering, systems modeling, performance analysis, or related technical work
  • Strong programming skills and experience building technical tools, scripts, or frameworks
  • Familiarity with system architecture fundamentals such as compute, memory, and networking
  • Ability to reason about system performance, bottlenecks, and scaling behavior
  • Strong analytical and problem-solving skills with comfort working in quantitative environments
  • Ability to learn quickly and work effectively across technical teams

Preferred Skills

  • Exposure to AI/ML workloads, distributed systems, or large-scale infrastructure
  • Experience with simulation tools, benchmarking, profiling, or performance analysis
  • Familiarity with data center systems, server architecture, or hardware platforms
  • Interest in system architecture and hardware/software co-design
  • Internship or early professional experience in performance engineering, infrastructure, or systems design

Skills

PythonPerformance ModelingSimulation ToolsBenchmarkingSystem ArchitectureDistributed SystemsAi/Ml WorkloadsNetworkingMemory SystemsCompute Systems

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