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Seeking a few Part timers (CSRS-2332)


Plant Lipid Research Team
RIKEN Center for Sustainable Resource Science
(Team Leader: Nakamura Yuki)

Research Field

Our lab investigates on how lipids regulate plant growth and development. We also use our basic understanding to engineer lipid metabolism for sustainable oil products in plants.

Job title and Job description

Job title

A few positions for part-timers

Job description

Duties for the research project of KAKENHI, Challenging Research (Pioneering/Exploratory) “Physiological significance of the circadian oscillation of membrane lipid profiles in plants”.

Labware washing, autoclaving, preparation of soil and culture media, garbage disposing, plant watering, preparation of chemical reagents, and other task related to the management of lab work. We may ask for the assistance of routine lab experimental tasks such as sample preparation of lipidomic analysis and screening of transgenic plants depending on the ability, experience, and interest of the candidate.

The scheduled project completion date is March 31, 2026.

The job description may be changed during the contract period or upon contract renewal to the extent described above.



Graduate of a professional training school, junior college, university or graduate school with expertise and skills relevant to a field indicated under [Job description].


We look for a candidate who is motivated, cooperative, and interested in the scientific contents of the research program. Previous experience in working in a laboratory on biological sciences is required. Proficiency in English is a must, and very basic spoken Japanese to communicate with the other part-timer will be a plus.

Non-Japanese must:

  • 1.have an ability to communicate in Japanese (basic level) *Desirable
  • 2.currently live in Japan (or plan to live for purposes other than this employment)

Work location

RIKEN Center for Sustainable Resource Science
1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan

RIKEN has implemented a work-from-home system. Employees can work from home in accordance with the prescribed procedures.
Work location will not be changed during the term of this employment contract or upon renewal.

Salary and benefits

Hourly wage (Example)

1,150-1,650 JPY
Hourly salary will be commensurate with qualifications and experience.

Commuting allowance

provided (within a pre-determined range)

Terms of contract

The initial contract will be until March 31, 2025.

  • -A one-year fixed-term employment contract, renewable based on the agreement of both parties, to March 31, 2026 (mentioned on [Job title and Job description]) from the date of hire.
  • -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.

Working days

3-5 days per week

Working hours

The work hours shall be one of the following, with the total time not to exceed 35 hours/week.

  • 1.9 am–5:20 pm (four times or less per week)
  • 2.Set hours between 9 am and 5:20 pm, in one-hour units.
    (Working days and hours are negotiable. However, daily working hours cannot be shifted for different days.)

Enrolled in a doctoral program and if a non-Japanese citizen, fulfills all of the following conditions:
  • 1.Can verify having Permission to Engage in Activity other than that Permitted under the Status of Residence Previously Granted
  • 2.Does not have a concurrent position outside of RIKEN
  • 3.Works no more than 28 hours per week


Saturdays and Sundays, Japanese national holidays, New Year holidays (Dec.29-Jan.3), and RIKEN Foundation Day (4th Monday in October).

Other provisions

  • Worker’s accident compensation insurance applies. Social insurance will be applied depending on the working conditions.
  • Paid leave includes annual paid leave (up to 20 days depending on the number of days and hours worked per week and 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 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.
  • *The Yokohama Campus has an on-site daycare, RIKEN Kids Yokohama. For details, please send an email to the HR at kids-yk-hr [at] ml.riken.jp
  • *RIKEN has a work-from-home system, but this position requires attendance at the work location. Therefore, the work-from-home system is not available for this position. For more information, please get in touch with the hiring staff at Ms. Ayako Sato (ayako.sato [at] riken.jp).

Application and required documents

Required documents

How to apply

The above PDF documents combined into a single ZIP file should be uploaded to the following website:

Call for part-timer (CSRS Plant Lipid Research Team)

After you upload the ZIP file, please let us (ayako.sato [at] riken.jp) know the file name of the uploaded file.
If you have any problems with uploading document, please inform us.

Note: All the submitted documents will not be returned.


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

Only persons who pass the application screening will be interviewed (face-to-face or remote in English).

Start of Employment

Earliest date possible (negotiable)

Contact Information

Any questions about this position should be sent to the email address given below.

Plant Lipid Research Team, Center for Sustainable Resource Science
Email: ayako.sato [at] riken.jp


Updated as of Mar 18, 2024: "Qualification"