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Seeking a Research Scientist or Postdoctoral Researcher (R-CCS2006)(Processor Research Team)
RIKEN(The Institute of Physical and Chemical Research)
RIKEN Center for Computational Science
Institution type
National research institute / Independent administrative institute
Job posting URL
Content of job information

Processor Research Team
RIKEN Center for Computational Science
(Team Leader: Kentaro Sano)

[Research field]
RIKEN Center for Computational Science (R-CCS), led by Center Director Satoshi Matsuoka, is an international research center in high performance computing and computational science in Japan. Our objectives are to investigate “the Science of (high performance) computing, by computing, and for computing", to research and develop our technologies (R-CCS technology) and software (R-CCS software), which we consider our core competence, in order to produce world-leading scientific and engineering results for use in Japan as well as globally.

Also, R-CCS started operating Japan's national flagship supercomputer, the K computer, as a shared national facility to support a wide range of research activities in 2011. Following K's success, development work on its successor, Supercomputer Fugaku, was launched in April 2014.

The Processor Research Team ("Processor team") conducts researches to investigate and develop

-novel computer architectures,
-hardware systems,
-their computing/programming models, and
-system software,
in order to explore next-generation high-performance computing systems which are suitable in the forthcoming Post-Moore era, where semiconductor scaling with Moore's law almost fails. For example, we research and develop new non-von-Neumann computers based on the wired-logic (or we call Spatial) data-flow computing model, by building a prototype system with FPGA cluster as accelerators for computing and networking, to complement and/or expand the existing HPC architectures such like the supercomputer Fugaku.

[Job title and job descriptions]
Job title:
Research Scientist* or Postdoctoral Researcher: 1 position

Job description:
Conduct researches regarding novel computer architectures, hardware systems, their computing models, programming models, system software, and/or their applications, toward an exploration of next-generation HPC systems which are promising in the forthcoming Post-Moore era. Conduct the researches not only within our research team, but also in cooperation with researchers of other R-CCS teams, domestic and foreign laboratories, universities, and companies. For example, by using our own FPGA cluster with 16 Stratix10 FPGAs, conduct researches on the following themes:

1.Research on HPC programming for reconfigurable devices such like FPGAs. Explore methodologies to allow FPGAs to perform high-performance computing for some parts of software programs by using an HLS compiler for FPGAs. This theme includes research and development of hardware systems which are necessary for HPC on FPGAs (such like FPGA Shell, and hardware modules for FPGAs).
2.Research on system software for resource management and task scheduling in a system where a lot of reconfigurable devices are connected by dedicated networks, such like an FPGA cluster.
3.Research on application development and evaluation for the above system of 1, 2, and our own FPGA cluster with 16 Stratix10 FPGAs. Explore new application fields for reconfigurable HPC as well as investigating applicability and suitability of the above system to a wide range of high-performance computing problems including AI and combinational-problem solvers.

In addition to the above research and development, take charge of various tasks in Processor team and R-CCS.

[Work location]
Branch and address:
RIKEN Center for Computational Science
6-3-5, Minatojima-minamimachi, Chuo-ku, Kobe, 650-0047, JAPAN]

[Start of employment]
November 1, 2020 or later, at the earliest opportunity

Computer Architecture,High-Performance Computing System,Computing Model,Programming Model,Compiler,System Software,HardwareDesign,FPGA,HDL,HLS,Domain specific,Reconfigurable,Accelerator,Post-Moore Era

Research field
Computer Science
Job type
Researcher/Postdoc level
Employment status
Work location
Kinki district - Hyogo 

Applicants must have a Ph.D. or expect to receive a Ph.D. before the date of appointment. In general, those who earned a doctorate within the past 5 years will be appointed as Postdoctoral Researchers, and those who earned a doctorate more than 5 years ago will be appointed as Research Scientists.
Processor team is interested in skilled and motivated applicants who have expertise and knowledge in computer architectures, system software such as compilers and schedulers, and OS. Applicants with deep background and experience of the above R&D, and necessary skills of software programming, circuit design and implementation in HDL, and hardware development with FPGAs are also considered with a great plus. Expertise with other related research areas is also considered. Excellent communication skill in English (or Japanese) is required. Such applicants are desired, who are proactive in exploring and expanding research themes by themselves.


For details about "Salary and benefits", please refer to the above "Job posting URL".

Application period
2021/09/03 Deadline for receipt
Applications will be accepted until the positions are filled.
/notification of result
/contact details

[Application and required documents]
Applications are accepted by email only. However, when the application documents are too large to submit by email, it is recommended to employ file transfer services on the internet. Before submitting the applications, make sure the documents are encrypted and send us the password information separately. Upon receipt, we will check whether all the required documents are included and send an acknowledgement of receipt. If you do not receive the acknowledgement email, please contact us at the email address in "Contact information" below.
We recommend applicants to contact us by email on employment conditions and subjects of research/development in advance to your formal application.

Required documents:
Please refer to the above "Job posting URL" regarding the "Required documents".

Applications will be accepted until the positions are filled.

[Selection process]
Applications will be reviewed upon receipt, and interviews will be conducted for selected applicants (2 interviews for Research Scientist position and one interview for Postdoctoral Researcher position.) No inquiries on the selection process and results will be answered.

Application files will not be returned.

[Contact Information / Send application to]
Combine all the application documents into a single PDF document and submit to the email address below.
Email: kobe-jobs [at]

Please use the subject line “[R-CCS2006] R-CCS Processor Research Team – Research Scientist" or “[R-CCS2006] Processor Research Team – Postdoctoral Researcher" when applying.

For inquiries on research conducted by the team, please contact the Team Leader by email:
Dr. Kentaro Sano
Processor Research Team
RIKEN Center for Computational Science
Email: kentaro.sano [at]

Online Submission
Online Submission is Not Available.
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Additional information

Handling Personal Data:
Submitted documents are strictly protected under the RIKEN Privacy Policy and will be used only for the purpose of applicant screening. Personal information will not be disclosed, transferred or loaned to a third party under any circumstances without just cause.

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