Tenstorrent
Principal CPU Microarchitect - RISC-V & AI Compute
Austin, Texas, United States +3 · Principal · Full-time · Posted Jul 28, 2025
- Location
- Austin, Texas, United States
Santa Clara, California, United States
Toronto, Ontario, Canada
Austin, Texas, United States - Experience
- 10+ years; candidates at various experience levels are welcome and will be assessed for an appropriate level.
- Visa sponsorship
- Employment is contingent on eligibility to access U.S. export-controlled technology. Depending on citizenship or permanent-residency status, prior license approval may be required; an offer may be rescinded if employment is not possible under U.S. export laws.
About the job
Lead CPU microarchitecture and custom RISC-V instruction design for Tenstorrent’s AI compute platform, using AI workload analysis to guide performance requirements.
What you'll do
- Analyze AI workloads to identify execution bottlenecks and define CPU performance requirements.
- Drive microarchitecture of custom RISC-V CPU cores, balancing Performance, Power, and Area (PPA) targets.
- Design custom instructions and collaborate with compiler, software, and hardware teams.
What they ask for
- 10+ years of expertise in CPU performance modeling and microarchitecture design.
- Deep familiarity with computational and memory bottlenecks in modern AI workloads, particularly Large Language Models (LLMs).
- Experience architecting custom instruction set extensions and validating their performance against real-world workloads.
Nice to have
- Familiarity with open-source RISC-V cores.
- AI-based agentic workflow experience.
Tools
RISC-V
AI focus
Analyze modern AI workloads, particularly LLMs, to guide CPU architecture and custom instruction design for AI compute.
Model-written summary · the original posting is authoritative