RIKEN, interdisciplinary Theoretical and Mathematical Sciences Program (iTHEMS)

2847 15157
Position ID:RIKEN-iTHEMS-PDAST [#15157]
Position Title: Postdoctoral Researcher
Position Type:Postdoctoral
Position Location:Wako, Saitama 351-0198, Japan [map]
Subject Area: Astrophysics / High Energy Astrophysics
Appl Deadline: finished (2019/10/30, finished 2020/02/05, listed until 2020/03/31)
Position Description:    

*** this position has been closed, and no new applications is accepted. ***


RIKEN Interdisciplinary Theoretical and Mathematical Sciences ProgramLaboratory headTetsuo Hatsuda

Research Field

“Interdisciplinary Theoretical and Mathematical Sciences (iTHEMS) program” (program director: T. Hatsuda) promotes interdisciplinary collaborations and creation of new interdisciplinary fields through the interactions among researchers in mathematics, theoretical sciences, and computational sciences. Also, iTHEMS aims at nurturing young scientists who cross the boundaries between different disciplines. 

For more information, please refer to the following website:

RIKEN Interdisciplinary Theoretical and Mathematical Sciences Program (iTHEMS)

Job title and Job description

Job title, available positions

Postdoctoral Researcher

Job description

iTHEMS invites applications for a postdoctoral researcher position to work on a research project in high energy astrophysics fields. 

The project, led by Dr. Yoshiyuki Inoue (https://ithems.riken.jp/en/members/yoshiyuki-inoue), is partly funded by the Leading Initiative for Excellent Young Researchers (LEADER) program “Unveiling the nature of supermassive black holes by linking theory and observations”. The successful applicant is expected to work on MeV gamma-ray astrophysics, especially simulations and development of Compton image reconstruction technique using Machine Learning for future missions such as GRAMS. The successful applicant is also expected to participate in the interdisciplinary interactions among different fields such as mathematics, physics, chemistry, life science, astronomy, computational science and information science under the concept of iTHEMS. For more details, send an e-mail to the contact person below. 

For more details, send an e-mail to the contact address below.


Applicants must have or expect to receive a Ph.D. on related research field before the date of the appointment.

Work location

Branch and address
RIKEN Wako (2-1 Hirosawa, Wako, Saitama 351-0198

Salary and benefits

1  A one-year fixed-term employment contract, renewable based on evaluation, to a maximum of the end of the fiscal year (March 31) in which the employee completes 3 years of employment.

2  RIKEN may adjust the above maximum period of renewability based on a) the employee’s abilities, work load at the time of contract completion, performance and work attitude and b) the continuation of the employee’s center, laboratory or project and RIKEN’s management situation and budget at the time. In principle, employment contracts will not be renewed for individuals older than 65 years.

3  The employee’s period of fixed-term employment cannot exceed 10 years from the initial date of hire (or 10 years from April 1, 2013 for fixed-term employees already at RIKEN prior to this date).

In principle, there will be a trial period of employment (2 months). 

Salary will be commensurate with qualifications and experience. Commuting and housing allowances will be provided. Social insurance will be applied. Mandatory membership in the RIKEN Mutual Benefit Society (RIKEN Kyosaikai). 

This position falls under the specialized duties discretionary work system; one working day will be calculated as 7 hours and 30 minutes. 

Days off include public holidays, New Year's holidays (Dec. 29 - Jan 3), and RIKEN Foundation Day. 

 These and other provisions are in accordance with RIKEN regulations.

RIKEN is promoting a Gender Equity Program by taking various measures to create a workplace where both men and women are able to give full rein to their talents and abilities. When applicants are judged to be equally qualified on the basis of fair and impartial criteria, women applicants will be given preference.


Also, eligible for an exemption from repayment for category 1 scholarship loans provided by the Japan Student Services Organization before fiscal year 2003, and eligible applying for the MEXT Grants-in-Aid for Scientific Research (Kakenhi).

Application and required documents

[Required documents] 

(1) Complete CV (with photo and email address),

*Write down in the notes section of your CV the number written next to the title of the job position (e.g. W19169)

(2) list of publications,

(3) research history & research plan,

(4) two letters of recommendation (including one from the current supervisor, if available),

(5) Consent form for handling personal information based on GDPR

If you are a resident of the European Economic Area (EEA), you are required to submit the document, “Consent form for handling personal information based on GDPR” with your signature. 

 *You will find detailed information about General Data Protection Regulation (GDPR) on the following website: https://ec.europa.eu/info/law/law-topic/data-protection_en

[How to apply] 

Application documents should be uploaded through Academic Jobs Online.


Note: Application documents will not be returned. 


Open until the position is filled

[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.

Selection process

Application screening, interview and oral presentation by selected applicants

Start of Employment

April 1st, 2020 (Negotiable)

Contact Information / Send application to

RIKEN Interdisciplinary Theoretical and Mathematical Sciences

2-1 Hirosawa, Wako, Saitama 351-0198

For inquiry, send an e-mail to ithems_app_astro[at]ml.riken.jp with Subj: iTHEMS Research Scientist (inquiry: astrophysics). (Replace [at] with @)

Application Materials Required:
Submit the following items online at this website to complete your application:
And anything else requested in the position description.

Further Info:
RIKEN Interdisciplinary Theoretical and Mathematical Sciences Program (iTHEMS)
2-1 Hirosawa, Wako, Saitama 351-0198, Japan

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