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Seeking a Research Scientist (W23193)


Biomacromolecules Research Team
RIKEN Center for Sustainable Resource Science
(Laboratory head: Keiji Numata)

Research Field

The Biomacromolecules Research Team aim to create protein/peptide-based materials such as artificial spider silks as well as to develop peptide nano-carriers for the transformation and modification of intact plants, plant cells, and photosynthetic bacteria.

For more details, please refer to the following link.

Job title and Job description

Job title, available positions

Research Scientist : 1 position

Job description

We are seeking a candidate who can investigate on plastid and/or mitochondrial transformation, especially for the production of structural protein or the other functional molecules, and also who can design structural protein or the other biopolymers based on material informatics approaches in the JST COI-NEXT project.

Research Scientist: Conducts laboratory research programs and others.


Generally, successful candidate is expected to speak and write English fluently, to have knowledge and expertise in one or more of the following areas: polymer science, material informatics, polymer physics like rheology, biochemistry, organic chemistry, synthesis of polymer (polypeptide), peptide design, material science, genetic engineering, protein science and molecular biology.

Work location

RIKEN Center for Sustainable Resource Science
(Wako Campus)
2-1 Hirosawa, Wako City, Saitama 351-0198, Japan
RIKEN has implemented a work-from-home system. Employees can work from home in accordance with the prescribed procedures.

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 7 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.In principle, the center is set to continue its research to the end of the Mid- to Long-term Plan (7 years from April 1, 2018 to March 31, 2025).
    However, if it is decided that the research project with which the Employee is involved will not be continued, the above provision on continuation of the "research center, laboratory or project" applies and there will be no re-employment for FY 2025 (from April 1, 2025)

In principle, the first two months of employment is considered a trial period.
Salary will be an annual salary based on experience, ability, and performance, and will consist of a base salary and a variable salary. The variable salary will be determined each fiscal year based on experience, ability, and performance. The monthly base salary is 355,000 JPY as of April 1,2024. The monthly base salary and variable salary are subject to change due to amendments to RIKEN regulations.

Discretionary work, commuting and housing allowances will be provided. Social insurance will be applied.

The approximate amount of monthly salary at the time of employment:
The monthly salary including discretionary work allowance at the time of employment for a candidate with 5 years of experience, ability, and achievement after completion of the doctoral course will be approximately 440,000 JPY.

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.
Paid leave includes annual paid leave (up to 20 days depending on the month of employment), special paid leave (childcare, family nursing care, etc.), and work life balance holidays (up to 7 days depending on the month of employment).
There are also additional leave systems such as maternity leave, childcare leave, and family nursing care leave.
Smoking is not permitted on site except in designated smoking areas. Smoking will be entirely prohibited on site from April 2024.
These and other provisions are in accordance with RIKEN regulations.

RIKEN is actively undertaking initiatives to promote gender equality and diversity, and moving forward with the establishment of a diverse and vibrant research environment. If multiple candidates are found to have the same aptitude following a fair assessment, active efforts will be made to recruit female candidates.

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).

The Wako Campus has an on-site daycare, RIKEN Kids Wako. For details, please send an email to the HR at kids [at] riken.jp.

Application and required documents

Required documents

  • 1.Complete CV or CV
    • *Please write Open-call ID [W23193] and the position you are applying for.
    • *Using the RIKEN format above is appreciated.
  • 2.List of research achievements (Publications, Presentations, awards and others.)
    • *Also attach one copy of recent paper of the research field relevant to the field of the applicant applies for.
  • 3.Previous research and future research plan
  • 4.A letter of recommendation from the PI of current laboratory
    • *The letter should be addressed to the Center for Sustainable Resource Science, Director.
    • *A recommendation from a third party is allowed when it is difficult for the candidate to obtain a recommendation from the PI of current laboratory.
  • 5.Certificate of graduation of the most recent education, or a copy of Diploma
  • 6.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:
    Data protection | European Commission

How to apply

The above documents except the recommendation letters combined into a single ZIP file should be sent to the address enzyme-recruitment [at] riken.jp (Replace [at] with @.)
Recommendation letters must be directly submitted from the referees to the address (enzyme-recruitment [at] riken.jp (Replace [at] with @.) with the file name " Biomacromolecules Research Team, research scientist [applicant's name] (Recommendation letter)". Please specify the applicant's name, referee's name and contact information in the recommendation letter.

If the submission requirements are not met, your application will not be received.


Open until the position is filled.

  • *Note: Application documents will not be returned.
  • *Note: Only shortlisted candidates will be contacted via email after document screening.

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 (face-to-face or remote).

Start of Employment

April 1, 2024 (Negotiable)

Contact Information

RIKEN Center for Sustainable Resource Science
Biomacromolecules Research Team
Email: enzyme-recruitment [at] riken.jp
For inquiries, please send an email.