OpenAI

Workload Porting & Performance Engineer

OpenAI • $135K — $160K *
Telecommunications & Hardware
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience in performance analysis and workload optimization
  • Strong knowledge of CPU/GPU, memory, and I/O subsystems
  • Proven ability to port workloads across hardware platforms
  • Skilled in using profiling tools and debugging performance issues
  • Expertise in identifying root causes of performance issues spanning hardware/software
  • Experience with large-scale or distributed system setups

Responsibilities

  • Port and enable benchmarks and real-world workloads on new hardware
  • Evaluate system performance across various subsystems
  • Identify and analyze performance bottlenecks and inefficiencies
  • Optimize workloads for better hardware utilization
  • Develop and execute performance experiments and profiling workflows
  • Provide performance feedback to architecture and software teams
  • Debug performance issues across the full stack and provide insights for platform readiness

Benefits

  • Hybrid work model with 3 days in the office per week
  • Relocation assistance available
Full Job Description
About the Role

We are seeking a Workload Porting & Performance Engineer to evaluate new hardware platforms by porting benchmarks and real-world workloads, analyzing performance, and identifying system bottlenecks.

In this role, you will bring up workloads on new systems, characterize performance behavior, and adapt workloads to better utilize hardware capabilities. You will play a critical role in validating new platforms and ensuring that performance aligns with expectations across compute, memory, and networking subsystems.

This role requires strong hands-on experience with performance analysis, workload optimization, and system-level debugging across hardware and software boundaries.

This role is based in San Francisco, CA. We use a hybrid work model of 3 days in the office per week and offer relocation assistance.

Key Responsibilities
  • Port and enable benchmarks and real-world workloads on new hardware platforms.
  • Evaluate system performance across compute, memory, storage, and networking subsystems.
  • Identify and analyze performance bottlenecks and inefficiencies.
  • Adapt and optimize workloads to better utilize hardware capabilities.
  • Develop and run performance experiments and profiling workflows.
  • Compare expected vs. observed performance and provide feedback to:
    • hardware architecture teams
    • performance modeling teams
    • system and software engineers.
  • Debug issues across the stack, including software, runtime, and hardware interactions.
  • Provide actionable insights to guide platform readiness and deployment decisions.

Qualifications
  • Experience with performance analysis, benchmarking, or workload optimization.
  • Strong understanding of system architecture, including CPU/GPU, memory, and I/O subsystems.
  • Experience porting or adapting workloads across different hardware platforms.
  • Familiarity with profiling tools and performance debugging techniques.
  • Ability to identify root causes of performance issues across hardware/software boundaries.
  • Experience working in large-scale or distributed system environments.

Preferred Skills
  • Experience with AI/ML workloads, including training or inference systems.
  • Familiarity with GPU or accelerator-based systems.
  • Experience working with low-level performance tools (profilers, tracing, microbenchmarks).
  • Background in systems software, compilers, or runtime optimization.
  • Experience collaborating with hardware and architecture teams on performance validation.


About OpenAI

OpenAI is an artificial intelligence research laboratory consisting of the for-profit corporation OpenAI LP and its parent company, the non-profit OpenAI Inc. The company was founded in 2015 by a group of technology leaders, including Elon Musk, Sam Altman, Greg Brockman, Ilya Sutskever, and John Schulman. OpenAI's mission is to develop and promote friendly AI for the betterment of humanity. The company has developed a number of cutting-edge AI technologies, including GPT-3, a language processing system that can generate human-like text. OpenAI has received funding from a number of high-profile investors, including LinkedIn co-founder Reid Hoffman and venture capitalist Peter Thiel.
Learn more about OpenAI
Size
100 employees
Industry
Founded
2015

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