Principal Engineer, NPU Architect

Job Title

Principal Engineer, NPU Architect

Role Summary

The Principal NPU Hardware Architect will drive the architectural definition and hardware implementation of high-performance Neural Processing Units (NPUs) targeted for microcontrollers and microprocessors focused on Automotive high-performance computing. This hardware-oriented role requires a deep understanding of the silicon lifecycle and a strong background in hardware-software co-design.

Experience Level

Senior level with 10 to 15 years of experience in AI accelerator, NPU, or GPU hardware architecture and RTL design.

Responsibilities

The primary responsibilities for this role include:

• Defining end-to-end NPU micro-architecture, including tensor/matrix engines and specialized functional units.
• Collaborating with compiler and software teams on instruction sets and hardware-aware optimizations.
• Architecting hardware-assisted virtualization features for secure resource sharing.
• Designing high-bandwidth bus fabrics and optimizing DMA controllers for AI workloads.
• Leading the definition of SoC infrastructure elements and power management strategies.
• Developing models to validate architectural choices and support software development.
• Overseeing the transition from architectural specifications to RTL.

Requirements

Applicants must meet the following qualifications:

• Bachelor’s or Master’s in Electrical or Computer Engineering; PhD is desirable.
• 12+ years of relevant experience in AI accelerator or NPU architecture.
• Deep knowledge of deep learning primitives and their hardware mapping.
• Strong understanding of compiler backends.
• Proven track record with SoC protocols and system integration.
• Expertise in SystemC/TLM or C++ for performance modeling.
• Ability to mentor junior designers and influence cross-functional roadmaps.

Education Requirements

Bachelor’s or Master’s in Electrical Engineering or Computer Engineering; PhD desirable.

About the Company

Company: Renesas

Headquarters: Hitachinaka, Japan

Renesas is a global leader in embedded semiconductor solutions, providing high-quality products across automotive, industrial, infrastructure, and IoT sectors. With over 22,000 employees in more than 30 countries, the company focuses on scalable solutions that enhance user experience and drive innovation while committed to sustainability and energy efficiency.