Uncore & NoC Architect and Modeler

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.

As the Uncore  & NoC Architect and Modeler at SiFive, you will be responsible for designing and modeling high-performance uncore and network-on-chip architectures across the breadth of SiFive's core complex portfolio. Hierarchical cluster architectures are essential to producing high-performance multicore architectures that can scale to 128+ cores. This architect will work with a team for the development of such highly scalable multicore architectures.


  • Modeling Uncore & NoC Architecture. As the Uncore & NoC Modeler, you will be responsible for the performance modeling of various aspects of high-performance uncore & NoC architectures. Examples include the modeling core-to-core coherence protocols and interconnects, cluster architecture, shared cluster and system cache architectures, and interaction with memory system. 
  • Act as a key person in 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
  • If interested, you will have a unique opportunity to analyze market verticals and design architectures specifically tailored for upcoming use cases.


  • 3+ years of experience in uncore & NoC architecture modeling.
  • MS or PhD in computer architecture.
  • Strong ability to comprehend various architectural ingredients, such as virtualization, security, power management, and others, when architecting the uncore & NoC components.
  • Experience with uncore & NoC design flow, including spec definition, architecture design, and performance modeling
  • Familiarity with advanced CPU architectures and pipelines, coherence protocols, interconnect architectures, and system architectures.
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.