Physical Design Engineer

Applied Methods Ltd; San Francisco, Northern (CA, KY); Hybrid; USD 26,600,000 - 44,500,000; Full time

Job summary

OpenAI is seeking a mid-level Physical Design Engineer in San Francisco to drive floorplanning, block implementation and signoff. You will partner with RTL designers to optimize timing, power and area, while creating tools and flows to boost throughput and accuracy.

The role requires strong Python/Bazel/TCL coding skills and hands-on experience with physical design flows, PNR and timing closure. Excellent collaboration across teams is essential for success.

Qualifications

• BS or MS with relevant experience in physical design and methodology development.
• Hands-on experience with block physical implementation and PPA convergence.
• Strong coding experience and familiarity with standard flow tools.

Responsibilities

• Develop, build and own flows for physical implementation.
• Own floorplanning to signoff for floorplan blocks.
• Collaborate with RTL designers to optimize timing, power and area.
• Analyze design trade-offs with EDA partners and ASIC teams.

Skills

Python scripting

PPA optimization

Timing analysis

RTL collaboration

Education

BS with 4+ years

MS with 2+ years

PhD with 0-1 year

Tools

Python

Bazel

TCL

EDA tools

Job description

# Physical Design EngineerMid level2+ yrsScalingSan FranciscoFull-TimePosted todayUSD 26600k–44500k/yr## About the role**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 are seeking a highly skilled Physical Design Engineer with deep expertise in physical design and methodology. This individual contributor role sits within our physical design team and is central to delivering power, performance, and area (PPA) optimized datapath and interconnect solutions for next-generation AI accelerators.You’ll work closely with RTL designers to define and execute on physical design strategies. You will develop tools, flows and methodologies to increase team productivity. Your work will directly impact silicon’s performance and cost efficiency, as well as the team’s execution velocity and quality.**In this role, you will:*** Develop, build and own tools, flows and methodologies for physical implementation* Own physical implementation of floorplan blocks from floorplanning to final signoff* Collaborate with RTL designers to drive optimal block implementation solutions* Analyze and optimize design for timing, power, and area trade-offs, working in collaboration with EDA vendors and ASIC partners**Qualifications:*** BS w/ 4+ or MS with 2+ years or PhD with 0-1 year(s) of relevant industry experience in physical design and methodology development* Demonstrated success in taping out complex silicon designs* Hands-on experience with block physical implementation and PPA convergence* Strong coding experience with python, bazel, TCL* Strong experience building physical design tools, flows and methodologies* Strong understanding of microarchitecture, RTL design, physical design, circuit design, physical verification and timing closure.* Deep familiarity with industry-standard tools and flows for physical synthesis, PNR, LEC and power estimation**Bonus:*** Experience with AI or HPC-focused chips* Experience with optimizing PPA for high performance compute cores* Hands-on experience with top-level design methodologies*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.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. 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.OpenAI Global Applicant Privacy PolicyAt 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.