CPU Core Design Verification Testbench Lead (AI)

TL;DR

CPU Core Design Verification Testbench Lead (RISC-V): Designing and implementing CPU core-level testbenches for high-performance out-of-order RISC-V CPUs with an accent on CVM methodology and verification infrastructure. Focus on building scalable testbenches, automating triage via AI agents, and ensuring silicon-level behavioral accuracy.

Location: Hybrid; based out of Austin, TX or Santa Clara, CA

Company

hirify.global is an AI technology company developing high-performance RISC-V CPUs and scalable AI platforms.

What you will do

• Lead hands-on CPU core-level testbench development for high-performance out-of-order RISC-V cores.
• Own and evolve CVM-based verification methodology, infrastructure, and reusable testbench components.
• Plan and drive functional verification for CPU core features, ISA behavior, and microarchitectural scenarios.
• Develop UVM, assembly, C/C++ stimulus, and C++ functional models for RISC-V extensions and un-core components.
• Debug regressions and improve core, cluster, and chip-level testbenches across simulation, emulation, and post-silicon environments.
• Build tooling infrastructure combining Python orchestration with AI agents to accelerate root-cause analysis.

Requirements

• 8+ years of experience in CPU verification, testbench development, or closely related digital design.
• Deep hands-on experience building and owning CPU core-level testbenches.
• In-depth knowledge of high-performance out-of-order CPU microarchitecture.
• Proficiency in CVM methodology, with UVM experience as a strong plus.
• Experience working across RTL, waveforms, logs, and cross-functional debug.
• Must be eligible to access U.S. export-controlled technology (EAR compliance).

Nice to have

• Experience using AI-assisted verification workflows for debug and coverage analysis.

Culture & Benefits

• Opportunity to work on cutting-edge AI hardware and state-of-the-art RISC-V compute.
• Collaborative environment focused on solving hard problems and innovation.
• Hybrid work model providing flexibility alongside physical office presence.