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Physical Design Engineer

OpenAI, Los Angeles, CA, United States


About the Team
OpenAI’s Hardware team designs the custom silicon that powers the world’s most advanced AI systems. From system-level architecture to custom circuit implementations, we partner closely with model and infrastructure teams to deliver performance, power, and efficiency breakthroughs across all layers of the stack.

About the Role
We are seeking a highly skilled Silicon Implementation 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.

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

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.

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