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Senior Performance Modeling Architect, CPU Fabric and LLC

US, CA, Santa ClaraFull-time$152,000–$152,0002026-05-06 → 2026-10-07

Core

Lead architectural definition and improvement of next-generation CPU Cache Hierarchies and interconnects for Automotive and Data Center systems.

Role type

Senior IC Performance Modeling Architect (CPU Fabric)

Builds

Scalable CPU cache hierarchies (L3/System Cache) and coherent fabrics

Domain

Semiconductor hardware design (CPU microarchitecture, memory systems)

Deliverable

production ML models

Required skills

Computer architecture, CPU microarchitecture, cache coherency protocols, C++, SystemC, Python, Network-on-Chip (NoC) topologies (via careerplan.io/jobs/893395031205-senior-performance-modeling-architect-cpu-fabric-and-llc-at-nvidia)

Preferred skills

Functional safety (ISO 26262), Performance Monitoring Unit (PMU) events, Formal verification, Custom tooling development, Advanced memory systems (CXL, HBM)

Responsibilities

Develop and maintain high-fidelity, cycle-accurate performance models for coherent interconnects and shared caches; Analyze performance bottlenecks across automotive SoCs and data center architectures; Evaluate performance impact of coherency protocols and snooping filters; Run industry-standard benchmarks to drive architectural trade-offs; Collaborate with build/verification teams to correlate models with silicon

Seniority

Senior, hands-on IC