Staff RTL Design Engineer - CPU Midcore

SiFive, Inc.
📍 cambridge, england, United-Kingdom 💼 Full-time 🕒 Posted July 01, 2026

Job Description

Role Overview

As a CPU Microarchitecture/RTL design engineer at SiFive, you will be part of a team of engineers passionate about designing industry-leading CPU cores based on the revolutionary open‑source RISC‑V architecture.

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, 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 ...

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Job Details

  • Location cambridge, england
  • Job Type Full-time
  • Category Engineering
  • Posted Date July 01, 2026
  • Application Deadline August 10, 2026