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Performance Modeling Engineer ~2

OpenAI· Scaling
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Hybrid (San Francisco), Hybrid (Seattle)$293k - $385k + equityFull-timePosted 6mo ago

About the role

OpenAI seeks a Performance Modeling Engineer to develop and apply modeling tools for evaluating AI system performance, analyze system behavior, run simulations and analytical models, and help evaluate tradeoffs across compute, memory, networking, and storage within large-scale AI infrastructure.

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

Skills

Required:Performance modelingProgrammingSystem architecture分析能力

Benefits

  • Medical, dental, and vision insurance for you and your family, with employer contributions to Health Savings Accounts
  • Pre-tax accounts for Health FSA, Dependent Care FSA, and commuter expenses (parking and transit)
  • 401(k) retirement plan with employer match
  • Paid parental leave (up to 24 weeks for birth parents and 20 weeks for non-birthing parents), plus paid medical and caregiver leave (up to 8 weeks)
  • Paid time off: flexible PTO for exempt employees and up to 15 days annually for non-exempt employees
  • 13+ paid company holidays, and multiple paid coordinated company office closures throughout the year for focus and recharge, plus paid sick or safe time
  • Mental health and wellness support
  • Employer-paid basic life and disability coverage
  • Annual learning and development stipend
  • Daily meals in our offices, and meal delivery credits as eligible
  • Relocation support for eligible employees
  • Additional taxable fringe benefits, such as charitable donation matching and wellness stipends
Last updated Sep 24, 2026. Interested? Apply on the company site.

About OpenAI

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