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Senior RTL Design Engineer - CPU

📍 Location
Cambridge
⏰ Job Type
Full-time
📅 Posted
June 18, 2026

About the Role

Responsibilities

  • Architect, design and implement new features, performance improvements, and ISA extensions in RISC-V CPU core generators using Chisel.
  • Integrate new design content into SiFive's Chisel/FIRRTL framework and contribute to improvements to that framework to enable automatic configuration/generation of documentation, verification testbenches and tests, and packaged software.
  • Perform initial sandbox verification, and work with the design verification team to create and execute thorough verification test plans.
  • Work with the physical implementation team to implement and optimize physical design to meet frequency, area, and power goals.
  • Collaborate with the performance modeling team for performance exploration and optimization to meet performance goals.
  • Microarchitecture development and specification.
  • Ensure that knowledge is shared via great documentation and participation in a culture of collaborative desig...

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