Seeking a few Senior Research Scientists, Research Scientists, Postdoctoral Researchers (26-1354) Part-time

Senior Research Scientist or Research Scientist or Postdoctoral Researcher Positions

RIKEN Center for Interdisciplinary Theoretical and Mathematical Sciences (iTHEMS) is an international research center that facilitates close collaborations among researchers from different disciplines in theoretical, mathematical and computational sciences. The ultimate goal of iTHEMS is to unravel the mystery of the Universe, matter, and life, as well as to solve key problems in modern society through interdisciplinary approaches.

Division of Fundamental Mathematical Science conducts mathematical basic research through interdisciplinary initiatives centered on mathematics (mathematics, materials, life, space, computing, and information). We are recruiting several talented researchers in the area of mathematics interested in collaborating with researchers from iTHEMS, RIKEN, and beyond.

iTHEMS is looking for Senior Research Scientists or Research Scientists or Postdoctoral Researchers who will advance research in mathematics (algebra, geometry, and analysis, etc.). The successful candidate will engage in the construction and deepening of mathematical theories that are foundational to various areas of mathematical and natural sciences, while interacting with researchers both within and outside iTHEMS. We particularly welcome applications from young researchers with outstanding abilities in the field of mathematics.

The candidate should possess or is expected to obtain a doctoral degree by the starting date.

Work location: RIKEN Wako Campus (2-1 Hirosawa, Wako, Saitama 351-0198) RIKEN may order the employee to change work locations, if necessary, in accordance with RIKEN regulations.

Salary and benefits: A one-year fixed-term employment contract, renewable based on evaluation, to a maximum of the 7 years (Senior Research Scientist) or 5 years (Research Scientist) or 3 years (Postdoctoral Researcher) from the date of hire. 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. Discretionary work, commuting and housing allowances will be provided. Social insurance will be applied.

Application and required documents: A cover letter explaining your motivations to apply for this position. Curriculum Vitae (CV)* List of publications (including preprints) Research statement (summary of current and past research relevant to this position; 2 pages max) Research proposal (describe your research objectives over the time scale of the position [3-5 years]; 3 pages max) Interdisciplinary statement (discuss your views and interest on interdisciplinarity, and how you see yourself interacting with iTHEMS members from other fields; 1 page max) Two letters of recommendation from a current supervisor or someone who can evaluate the applicant. Agreement on handling of personal information (Handling of personal information based on the Hiring Privacy Policy and the Privacy Policy)

How to apply: Application documents should be uploaded through Academic Jobs Online. Note: None of the submitted documents will be returned.

Deadline: Application must arrive by November 20, 2026 (JST)