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Open nowPosted 9 hours agoWe saw it 52 min after it went up

ML Silicon Performance Lead

OpenAI808 open roles

Pay
$287,000 – $485,000 a year
Where
San Francisco
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Your applicationOpen nowML Silicon Performance LeadOpenAI · San Francisco

  1. YouYes, apply to this one.

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The clock on this job

Early applications get read.

13.3% of postings close within 7 days. Measured by our own scanner across the market. OpenAI postings stay open a median of 52 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.6%3 days
  3. 13.3%7 days
  4. 21.3%14 days
  5. 35.7%30 days
  6. 59.1%60 days
This job: posted 9 hours ago

OpenAI median: 52 days open

The posting

ABOUT THE TEAM:

OpenAI’s Hardware organization develops AI-native silicon and system-level solutions for the unique demands of advanced AI workloads. Building on efforts like Jalapeño, the team is developing future generations of AI-native silicon and tightly integrated systems to power the next generation of frontier models. By co-designing chips, systems, tools, and methodologies, the team helps deliver faster, more efficient, and production-ready hardware for OpenAI’s supercomputing platform.

ABOUT THE ROLE:

We’re looking for an ML Silicon Performance Lead to drive hardware/software co-design for our silicon architecture. You will work across models, kernels, compilers, and silicon to shape how ML workloads map to hardware—and how the hardware should evolve to support them. Your work will connect model and workload requirements with compute, memory, and specialized acceleration capabilities to maximize performance, efficiency, and scalability across current and future generations of AI silicon.

You’ll partner closely with ML research, compiler, and silicon architecture teams to jointly develop software approaches and hardware capabilities. From kernel mapping and quantization to new data structures and specialized IP, you’ll evaluate hardware and software tradeoffs to improve performance, efficiency, and utilization across large-scale AI workloads. Through performance modeling, simulation, and hands-on optimization, you’ll guide architectural decisions and validate improvements on representative workloads.

IN THIS ROLE, YOU WILL:

- Drive hardware/software co-design across ML research, compiler, and silicon teams, jointly shaping kernel implementations and hardware capabilities to meet workload performance and efficiency goals.

- Partner with ML research to translate model and workload needs into kernel performance targets and compute, memory capacity, and bandwidth requirements, feeding hardware constraints and opportunities back into model and algorithm choices.

- Map and optimize ML kernels for architecture, using insights from data movement, memory hierarchy, and execution efficiency to guide both software improvements and hardware design.

- Co-design support for new data structures and quantization formats across kernels, compilers, and silicon, balancing model quality, numerical behavior, performance, power, and implementation cost.

- Define and help develop specialized acceleration IP, working with compiler and silicon partners to determine the right division of functionality across software, instructions, and dedicated hardware.

- Drive ML performance modeling and simulation with the compiler team to compare hardware/software design options, expose bottlenecks, and quantify end-to-end benefits on representative workloads.

- Partner with the Silicon Architecture lead and silicon team to specify and validate new IP, using kernel and simulation results to refine requirements and prioritize architectural improvements.

YOU MIGHT THRIVE IN THIS ROLE IF YOU:

- Have deep experience with ML accelerator architecture and how compute resources, memory systems, and data movement shape workload performance.

- Can translate model-level behavior into concrete kernel requirements and hardware design decisions.

- Have built or used accelerator performance models and simulators, and know how to validate their assumptions and interpret their limitations.

- Have hands-on experience optimizing ML kernels, including identifying bottlenecks and improving utilization, locality, and execution efficiency.

- Understand quantization and numerical formats, including their implications for model quality, memory bandwidth, compute efficiency, and hardware support.

- Have experience with hardware/software co-design and can reason about whether a capability belongs in a kernel, compiler, instruction set, or dedicated hardware.

- Work effectively across research, compiler, and silicon teams, bringing clarity to ambiguous requirements and building alignment through technical evidence.

To comply with U.S. export control laws and regulations, candidates for this role may need to meet certain legal status requirements as provided in those laws and regulations.

About OpenAI

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity.

We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic.

For additional information, please see OpenAI’s Affirmative Action and Equal Employment Opportunity Policy Statement https://cdn.openai.com/policies/eeo-policy-statement.pdf.

Background checks for applicants will be administered in accordance with applicable law, and qualified applicants with arrest or conviction records will be considered for employment consistent with those laws, including the San Francisco Fair Chance Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, and the California Fair Chance Act, for US-based candidates. For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. In addition, job duties require access to secure and protected information technology systems and related data security obligations.

To notify OpenAI that you believe this job posting is non-compliant, please submit a report through this form https://form.asana.com/?d=57018692298241&k=5MqR40fZd7jlxVUh5J-UeA. No response will be provided to inquiries unrelated to job posting compliance.

We are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made via this link https://form.asana.com/?k=bQ7w9h3iexRlicUdWRiwvg&d=57018692298241.

OpenAI Global Applicant Privacy Policy https://cdn.openai.com/policies/global-employee-and-contractor-privacy-policy.pdf

At OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. Join us in shaping the future of technology.

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