About NII


Academic Employment Opportunities at the NII, Digital Content and Media Sciences Research Division, Yamagishi Lab, Project Researcher (Specified fixed-term employment, Postdoctoral Fellow)


1. Job title:

Postdoctoral fellow
* Based on performance, successful applicants may be given the title of Project Assistant Professor.

2. Number of recruits:


3. Work location:

National Institute of Informatics (Gakujutsu Sougou Center, Hitotsubashi 2-1-2, Chiyoda-ku, Tokyo)
Directions: 3-5 minutes walk from exit A8 of the Jimbocho subway station on the Toei Shinjuku Line, or from exit 1b of the Takebashi subway station on the Tozai Line (refer to the map).
URL: https://www.nii.ac.jp/en/

4. Affiliation:

Yamagishi Lab, Digital Content and Media Sciences Research Division, National Institute of Informatics

5. Job description:

The selected candidate will work on the JST AIP Acceleration Project, "Acceleration and Dissemination of Social Implementation of Fake Media Detection Technology" (April 2024 - March 2026) in collaboration with members of the Yamagishi Laboratory and Echizen Laboratory of the National Institute of Informatics.

In the above project, to combat the problem of deepfakes that misuse generative models of speech and faces, the selected candidate is expected to research advanced audio and multimedia deepfake detection techniques and/or new machine-learning methods to follow emerging unknown deepfakes automatically. Candidates should, therefore, have sufficient experience and program implementation skills in speech information processing, deep learning, machine learning, AI security, and other related technologies.

The candidate is expected to work on one of the following topics

    <Research Areas>
  • Speech information processing (especially deepfake detection and countermeasures, speaker recognition, etc.)
  • Machine learning (especially AI security)
  • Yamagishi Lab, National Institute of Informatics, Japan
  • Echizen Lab, National Institute of Informatics, Japan
  • NII Synthetiq Vision

6. Requirements:

  • Having a PhD degree or is expected to have a PhD degree when admitted
  • Having experience in any or multiple research topics listed above
  • Being able to communicate in Japanese or English and to write international conference papers and journal articles
  • Having experience in implementing and experimenting with deep learning

7. Period of employment:

    From 2024 July 1st to 2025 March 31st
  • The starting date is negotiable
  • It is possible to extend the employment period based on the research outcomes and availability of the research budget.
  • However, the maximum employment period is up to 2026 March 31st. The contract is renewed every year.

8. Workdays:

Five days a week, Monday through Friday

  • Days off: Saturdays, Sundays, public holidays, and year-end and New Year's holidays (December 29 - January 3).
  • Summer vacation: Any two consecutive days between August 12 and 18, excluding Saturdays and Sundays.

9. Working hours:

Seven hours and 45 minutes per day under a discretionary work system.

10. Leave of absence:

Conferred in accordance with regulations:

  • Annual paid leave
  • Vacation other than annual paid leave

11. Salary:

Provided based on regulations

  • Basic salary: 443,000 Yen ~ 628,000 Yen per month (based on working experience and degree of expertise)
  • Commuting allowance: Amount paid to cover actual commuting costs (there is a limit)
  • Payday: At month-end closing, generally on the 17th of the same month

12. Insurance:

Employment and workers' compensation insurance covered by the Ministry of Education, Culture, Sports, Science and Technology Mutual Aid Association in accordance with laws and regulations.

13. Application document:

Please submit the application documents to the following email address with the specified title:
Title: Yamagishi-Lab Project Researcher Application
Email: yamaghishilab-sec (at) nii.ac.jp

  • Resume in the format specified by ROIS (download from NII webpage. Please fill in academic background, academic degrees, and awards; please paste photo and seal; please include email address and phone number)
  • List of research outcomes (list in the following order: thesis, peer-viewed journal paper, peer-viewed conference paper, non-peer-viewed publication)
  • Copy of main research papers (3 papers at maximum)
  • Summary of research to date, and research plans and expectations for the above subject (about 1 page of A4 paper)
  • Contact information of two references

14. Selection procedure:

After screening of documents, you will be contacted for an interview date, if necessary. Online interviews may be conducted.

Please note that the applicant will pay travel expenses for onsite interviews/visits and communication expenses for online interviews.

15. Notification of application results:

Applicants will be promptly notified of the results of the selection process.

16. Deadline of application:

Ends as soon as one applicant is admitted.

17. Inquiries and Email address to send applications:

National Institute of Informatics, Yamagishi Lab
To Junichi Yamagishi
Email: yamagishilab-sec (at) nii.ac.jp  please replace (at) with @

18. Employer:

Inter-University Research Institute Corporation
Research Organization of Information and Systems
Director Masaru Kitsuregawa

19. Miscellaneous:

  • Any questions shall be asked to the email address above.
  • We will use the personal information submitted in this recruitment only for the purpose of screening of the application. We will destroy all personal information after application. Please note that personal information of the hired staff will be used for recruitment procedures such as personnel affairs, labor, salary-related processing, and various procedures in the office.
  • NII actively promotes female researchers as a part of gender equality. In this recruitment, women will be actively hired if they are found to be equivalent in their performance (research achievements, educational achievements, social contributions, etc.).