Senior Research Scientist, Research Scientist or Postdoctoral Researcher(W690)

Research field and overview

Center for Sustainable Resource Science, which started in April 2013, is a new and limited-term research center. The Enzyme Research Team aims to design and develop novel functional and structural biopolymers such as polypeptides and structural proteins (spider silk). Using functional polypeptides, we also develop peptide-mediated transformation and modification of plants and photosynthetic bacteria. For more information, please visit our homepage.

Job title, available positions and job description

Job title, available positions

Senior Research Scientist, Research Scientist or Postdoctoral Researcher
*Senior Research Scientists shall assist the leader of their team, provide instruction to other researchers, and carry out the research work of their team.
*Research Scientists shall carry out the research work of their team.
*Postdoctoral Researchers shall carry out the research work of their team to which they belong under the direction of their supervisors.

Job description

We are seeking candidate(s) who can work for the plant gene modification by using peptide in the JST-ERATO Numata Organellar Reaction Cluster Project. The successful candidates will study on transformation of mitochondria and plastid in plants.


  1. Senior Research Scientist and Research Scientist are defined as those with a doctoral degree more than 5 years.
  2. Postdoctoral Researcher is defined as those with a doctoral degree of 5 years or less.
  3. Generally, a successful candidate is expected to speak and write English fluently, to have knowledge and expertise in one or more of the following areas: plant tissue engineering, plant genetic engineering, plant molecular biology, and plant science. Successful candidates are preferred to have experiences of studies related to plant organelles and/or plant tissue culture.

Work location

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

Salary and benefits

  1. One-year fixed-term employment contract, renewable, and based on evaluation, up until March 31, 2022.
  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. When the center to which the Employee is affiliated is scheduled for a final review in FY 2022 to decide its operations from FY 2022 and beyond, and it is decided that the Employee's research will not be continued, the provision given above for projects of limited duration applies and the Employee's contract will not be renewed for FY 2023 year that would extend employment beyond the center's final fiscal 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 (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 (W690).
  2. List of research achievements. Also attach three papers relevant to the position being applied to.
  3. Research achievements to date and future objectives (A4, 2 pages)
  4. Certificate of graduation for the highest level of education achieved or copy of said diploma
  5. Letters of recommendation:
    • Senior Research Scientist-
      Two letters of recommendation, including one from the current supervisor
    • esearch Scientist-
      Two letters of recommendation, including one from the current supervisor
    • Postdoctoral Researcher-
      A letter of recommendation from current supervisor
      *A recommendation from a third party is allowed when it is difficult for the candidate to obtain a recommendation from the current supervisor.
      *The letter should be addressed to Center for Sustainable Resource Science, Director.
  6. A work/research reference who can be contacted for an opinion
    *only for a Postdoctoral Researcher-

How to apply

Send the PDF formatted application by email to enzyme-recruitment [at]
(Recommendation letters must be emailed directly from the reference to enzyme-recruitment [at]
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 and interview for selected applicants

Start employment

As early as possible after November 1st (Negotiable)

Contact information/Send application to

2-1 Hirosawa, Wako, Saitama 351-0198
Center for Sustainable Resource Science Enzyme Research Team
Biomass Engineering Research Division,
Enzyme Research Team
Email: enzyme-recruitment [at] (Replace [at] with @ )
For inquiries, please send an email.