About SiFive

As the pioneers who introduced RISC-V to the world, SiFive is transforming the future of compute by bringing the limitless potential of RISC-V to the highest performance and most data-intensive applications in the world. SiFive’s unrivaled compute platforms have enabled leading technology companies around the world to innovate, optimize, and deliver the most advanced solutions of tomorrow across every market segment of chip design, including artificial intelligence, machine learning, automotive, datacenter, mobile, and consumer. With SiFive, the future of RISC-V has no limits. For more information, please visit www.sifive.com.

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We at SiFive are now looking for a junior to mid-level Core Architect to join our growing team! You will be vital to SiFive’s efforts to create silicon at the speed of software. You would be involved with the design and definition of various aspects of SiFive’s  high-performance core pipelines, including but not limited to, branch predictors, dispatch logic, reorder buffer, load-store queues, and prefetchers. You will working with a team of engineers tasked with creating the basic collateral and specifications that can be reused across SiFive’s RISC-V and SoC design ecosystem.


  • Creating the design and specification of various aspects of high-performance core architecture. Examples include the design of the fetch unit (including branch predictors), decode unit, issue logic, dispatch logic, functional units, load-store units, and instruction and data caches. Such design must comprehend PPA (performance, power, and area) impact.
  • Developing the upcoming RISC-V platforms, which will connect numerous cores together on a chip, support large bandwidth, as well as new applications and workloads.
  • Researching and analyzing emerging needs for new core architecture.


  • MS or Phd in computer architecture with demonstrated innovative research in core architecture.
  • Familiarity with advanced CPU architectures and pipelines.
  • Experience in core design flow, including spec definition, Architecture design, and performance modeling.
  • Comprehension various architectural ingredients, such as virtualization, security, power management, and others, when architecting the core pipeline.
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!
Notice to Staffing Agencies / External Recruiters:
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.

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