[Application closed] 2026 R-CCS International HPC Computational Science Internship Program (Kobe/Tokyo)

• RIKEN Center for Computational Science (RIKEN R-CCS):
  7-1-26 Minatojima-minami-machi, Chuo-ku, Kobe, Hyogo 650-0047
• IIB (Integrated Innovation Building):
  6-7-1 Minatojima-minami-machi, Chuo-ku, Kobe, Hyogo 650-0047
  (Sugita Team, Tama Team)
• Kobe University Integrated Research Center:
  7-1-48 Minatojima-minami-machi, Chuo-ku, Kobe, Hyogo 650-0047
  (Tsubokura Team)
• KCMI (Kobe Center for Medical Innovation):
  6-3-5 Minatojima-minami-machi, Chuo-ku, Kobe, Hyogo 650-0047
  (Sano Team/Unit)
• Tokyo Branch Office:
  15th Floor, Nihonbashi 1-chome Mitsui Building, 1-4-1 Nihonbashi, Chuo-ku, Tokyo 103-0027
  (Wahib Team/Unit, Yokota Team)

• RIKEN Center for Computational Science (R-CCS)

• The Association for Computing Machinery (ACM)
• ACM SIGHPC

Applicants must belong to a university whose head or representative can issue a formal letter of request on behalf of applicants (Ph.D. program). PhD-level students with fundamental knowledge in the field of computational science and with a specific research focus are desirable.

Applicants and hosting research teams may set appropriate periods by mutual agreement for the internship duration, up to 85 days between April 14, 2026 and March 18, 2027.
*Note that for those from overseas, a period of 4 months is currently required for acceptance procedures from the time of selection to the start of internship. A substantial amount of time is required especially for procedures for immigration formalities.

Term 1 (Internship starts between Tue, April 14 and Mon, August 31, 2026), up to 20 students.
Term 2 (Internship starts after Tue, September 1, 2026. *It is necessary to finish the internship by Thurs, March 18), up to 20 students.
Approximately 40 students will be accepted in total. However, the number of participants may vary depending on the situation.

Details are subject to guidelines determined by the hosting research team/unit.

Interns must work on every RIKEN working day during the internship period.
Daily schedule: 9:00 to 17:20 (Lunch break: 12:00 to 12:50)

Document screening will be carried out after the application deadlines: December 1, 2025 for Term 1 (Internship from April 14 to August 31, 2026) and February 9, 2026 for Term 2 (Internship from September 1, 2026 to March 18, 2027).Please note that Term 2 screening will start after February 9, 2026.

Please upload the following documents to the specified link on the International Internship FY2026 application page.
For Term 1 (Internship starts between Tue, April 14 and Mon, August 31, 2026), upload by Monday, December 1, noon (Japan Standard Time) Closed
For Term 2 (Internship starts after Tue, September 1, 2026. *It is necessary to finish the internship by Thurs, Mar 18), upload by Monday, February 9, noon (Japan Standard Time) Closed
Please take into consideration the length of time required to complete the acceptance process. It currently takes about 4 months from the time of selection to the start of the internship (for approval of "Fugaku" use and immigration procedures).
1. C.V. (RIKEN format (Excel file : 70KB)) (Fill in both sheet1 and 2)
Accepted file formats: Excel (.xlsx).
2. Reason(s) for your application (Free format)
Accepted file format: PDF (.pdf) or Word (.docx).
(Please specify your preferred research field or the name of the research team/unit on the list (PDF file: 566KB) you wish to join, as well as internship period preference.)
Note: If you do not submit a reason(s) for your preferred research team(s)/unit(s) including your second choice, you will not be considered as a candidate in the selection process.
3. Research achievement (Free format)
Accepted file format: PDF (.pdf) or Word (.docx).

Note: RIKEN's Privacy Policy
In accordance with RIKEN's Privacy Policy (RIKEN Website), any data obtained through our website will be strictly protected and will never be released, given, or lent to any third party without just cause.

Payment of expenses to interns based on the RIKEN internship regulations.

Travel expenses
Compensation will be provided for actual cost of travel between the intern’s university or home, and the location of the hosting research team for one round trip only.

Commuting expenses
Compensation will be provided for actual cost of daily commuting fares between the intern’s lodging and R-CCS for the number of attendance on a monthly basis up to a maximum of 45,000 yen per month.

Lodging expenses
R-CCS will provide accommodation (furnished apartment for single use) for the interns.

Internship allowance
3,000 yen per day (in attendance)
Note: Internship allowance is exempt from tax and is equivalent to food expenses.