RTL Design Engineer - RISC-V Load/Store CPU

About SiFive

SiFive is an idea-to-silicon company founded by the inventors of RISC-V to simplify the design and production of custom SoCs.

As the leading commercial provider of RISC-V processor IP, SiFive is on a mission to help engineers design custom chips for domain-specific solutions for many markets, including 5G, edge AI, enterprise networking, storage, and consumer devices.

Industry-leading innovators, including six of the top ten semiconductor companies, are working with SiFive thanks to our proven success, deep expertise, and rich partner ecosystem. With SiFive’s rich IP ecosystem and accessible design platform, every market has access to the development of workload-focused hardware needed to design next-generation products.

As a Senior RTL design engineer at SiFive, you will be part of a team of engineers who are passionate about designing industry-leading CPU cores, based on the revolutionary open-source RISC-V architecture. We are looking for people who are as excited as we are about working in a fast-paced dynamic environment to bring new hardware IP to market quickly, with high quality and exceptional performance.

Responsibilities:

  • Architecting, designing and implementing new features, performance improvements, and ISA extensions in RISC-V CPU core generators with a focus on the load/store unit and L1 data cache memory subsystem.
  • Microarchitecture development and specification. Ensuring that knowledge is shared via great documentation and participation in a culture of collaborative design.
  • Performing initial sandbox verification, and working with thedesign 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, power goals.
  • Collaborating with the performance modelling team for performance exploration and optimization to meet performance goals.

Requirements:

  • 5+ years of recent industry experience in high-performance, energy-efficient CPU designs:
    • Expertise in CPU processor designs in one or more of the following areas: load-store unit; L1 data cache, cache coherence, memory consistency, and Memory Management Unit (MMU).
    • Background of successful CPU development from architecture through tape-out and vector units; load-store unit; cache and memory subsystems.
  • Proficiency with hardware (RTL) design in Verilog, System Verilog, or VHDL.
  • Knowledge of at least one object-oriented and/or functional programming language.
  • Attention to detail and a focus on high-quality design.
  • Ability to work well with others and a belief that engineering is a team sport.
SiFive is proud to be an equal employment opportunity workplace. We offer a competitive compensation package that includes flexible paid time off; health, vision and dental benefits; 401(k) plan; employee stock option program, and much more.
We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.
If you yearn to be challenged and wish to work in an environment where the boundaries of your creativity and skills will be tested, then SiFive is the place for you!
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Thank you for your interest in SiFive Inc. Please note that SiFive does not accept unsolicited resumes from external agencies unless contracted to fill a specific position. Agencies are hereby specifically directed NOT to contact SiFive employees directly in an attempt to present candidates – all applications must go through SiFive's internal recruiting team. Any third-party resume forwarded by agencies/external recruiters to a SiFive mailing address, fax machine or email address, directly to SiFive employees, or to SiFive's resume database will be considered property of SiFive Inc and treated as a direct application. This exchange does not constitute an agreement between SiFive and the agency/external recruiter. SiFive reserves the right to contact the candidate directly. Employment agencies/external recruiters will receive no compensation from SiFive or its companies.