OpenAI
Performance Modeling Engineer ~2
$347K–$445K
San Francisco +1 · Hybrid · Full-time · Posted Apr 20, 2026
- Location
- San Francisco
Seattle - Experience
- 1–2 years in software engineering, systems modeling, performance analysis, or related technical work.
About the job
Supports performance modeling of AI systems to analyze system behavior, evaluate hardware and infrastructure tradeoffs, and inform architecture decisions.
What you'll do
- Develop and maintain performance modeling tools and frameworks; run simulations and analytical models.
- Analyze scaling behavior and bottlenecks across compute, memory, networking, and interconnect systems; validate models against benchmarks and measurements.
- Interpret results, recommend design tradeoffs, and collaborate with hardware, infrastructure, and architecture teams.
What they ask for
- 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 in quantitative environments.
Nice to have
- Exposure to AI/ML workloads, distributed systems, or large-scale infrastructure.
- Experience with simulation tools, benchmarking, profiling, or performance analysis.
Pay
$347K – $445K USD base salary
AI focus
Models and evaluates AI system performance and infrastructure to guide architectural decisions.
Model-written summary · the original posting is authoritative