Seeking a Postdoctoral Researcher(W917)

Research field and overview

The Spin-Isospin Laboratory conducts nuclear physics research utilizing radioactive isotope beams at RI Beam Factory. One of the main research programs is direct reaction studies of unstable nuclei ranging from proton-rich to neutron-rich side by using the SAMURAI spectrometer.

Job title, available positions and job description

Job title, available positions

Postdoctoral Researcher, one person
Postdoctoral Researcher is defined as those who obtained a doctoral degree no more than 5 years ago.

Job description

The successful candidate is expected to conduct research that combines silicon detector setup and the SAMURAI spectrometer. She/he will be in charge of upgrading the silicon detectors and will also lead experimental research with the setup.


The candidate should possess a doctoral degree in related fields or should be expected to obtain a doctoral degree before the start date of the employment contract

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 5 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).
  4. Depending on the review of the Employee’s research results on its third year, the employment contract may not be renewed beyond the third year.

The salary system is annual and will be commensurate with qualifications and experience. Commuting and housing allowances will be provided. Social insurance will apply. Mandatory membership in the RIKEN Mutual Benefit Society (RIKEN Kyosaikai) is required.
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 promotes a Gender Equity Program by taking various measures to create an equitable workplace where both men and women are able to give full rein to their talents and abilities. When the abilities of candidates are judged to be equivalent through a fair and impartial evaluation process, preference will be given to females.

*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 for applying for MEXT Grants-in-Aid for Scientific Research (Kakenhi)

Application and required documents

Required documents

  1. CV WORD (56KB) or EXCEL (159KB)(with photo and email address)
    Write the 4digit number beginning with “W”, indicated in the parentheses next to the job title, in the open call ID section in the upper right corner of your CV.
  2. Summary of research achievements to date
  3. List of research achievements and publications
  4. Research proposal plan
  5. List of the names and contact information of two people who can evaluate your work.

How to apply

Send the PDF formatted application by email to uesaka [at] (Replace [at] with @ )

Note: Application documents will not be returned.


31 August , 2018

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 for selected applicants

Start employment

1 November, 2018 (Negotiable)

Contact information/Send application to

Spin Isospin Laboratory
RIKEN Nishina Center for Accelerator-Based Science
2-1 Hirosawa, Wako, Saitama 351-0198
Email: uesaka[at] (Replace [at] with @ )
For inquiries, please send an email.