Senior RISC-V ISS Engineer: High-Performance C++

MaC VC; Cupertino (CA); Hybrid; USD 176,000 - 263,000; Full time

Job summary

Qualcomm Technologies, Inc. is building a high-performance RISC-V ISA simulator used as the golden reference for a family of 64-bit processors. The role intersects architecture, systems software and verification, requiring precise, fast C++ implementation.

You translate the ISA, ensure correctness of fetch/decode/execute and memory models, and enable co-simulation with RTL. Strong C++ skills and low-level systems experience are essential.

Qualifications

• Solid C++ skills and comfort reading unfamiliar codebases.
• Comfortable with processor architecture, pipelines, memory and interrupts.
• Strong attention to detail; accuracy is critical.
• Willingness to read specifications and translate into tested code.
• Exposure to low-level or systems programming.

Responsibilities

• Translate the RISC-V ISA into working C++ across extensions.
• Maintain fetch/decode/execute, memory protection and privilege logic.
• Support co-simulation with RTL and flag discrepancies at instruction level.
• Create targeted unit tests and compare against specs.
• Develop and maintain simulator extensions and utilities.

Skills

C++ skills

Processor architecture knowledge

Attention to detail

Spec-driven development

Low-level systems programming

Education

Bachelor's degree in EE/CE/CS

Master's degree in EE/CE/CS

PhD in EE/CE/CS

Tools

GDB

ELF binaries

Linux internals

Bare-metal bring-up

Job description

Qualcomm Technologies, Inc. is building a high-performance RISC-V ISA simulator used as the golden reference for a family of 64-bit processors. The role intersects architecture, systems software and verification, requiring precise, fast C++ implementation.

You translate the ISA, ensure correctness of fetch/decode/execute and memory models, and enable co-simulation with RTL. Strong C++ skills and low-level systems experience are essential.