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RIKEN

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Senior Researcher Position in Ice Core, Atmospheric, and Space Science RIKEN in Japan

Degree Level

Postdoc

Field of study

Geology

Funding

Permanent employee / no fixed term, researcher/postdoc equivalent. Annual income starts around 8 million yen, with salary determined by experience, skills, and achievements. Includes discretionary work allowance, commuting allowance, housing allowance, and social insurance.

Deadline

Sep 24, 2026

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Country

Japan

University

RIKEN

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Keywords

Geology
Chemistry
Environmental Science
Planetary Science
Astronomy
Climate Science
Atmospheric Science
Earth Science
Hydrometeorology
Stable Isotope Analysis
Physics
Cosmic Ray

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About this position

RIKEN’s Nishina Center for Accelerator-Based Science is recruiting a Senior Researcher (researcher/postdoc equivalent, permanent/no fixed term) for the Laboratory of Snow and Ice Space Science in Saitama Prefecture, Japan.

The position sits at the intersection of Earth Science, Environmental Science, Physics, Astronomy, and Chemistry. The lab studies how the space environment influences Earth’s atmosphere and climate system by analyzing ice cores from Antarctica, especially Dome Fuji. Research themes include stable isotope ratio analysis, ion and cation/anion measurements, nitrate isotope analysis, cosmic ray signals, solar activity, stratospheric changes, and climate variability. The lab also develops advanced analytical tools such as the Advanced-LMS laser melting sampling device for ultra-high-resolution ice core analysis.

The successful candidate is expected to independently develop space and Earth science research centered on ice core analysis, contribute to experimental and theoretical work, and support laboratory operations in cooperation with the lab head. The posting emphasizes high-precision data acquisition and analysis related to climate, solar activity, and cosmic rays.

Eligibility: a doctoral degree in a relevant field or equivalent experience, plus the ability to independently perform solution chemical analysis. The post is full-time, with probationary period, and may be converted to a fixed-term appointment of up to 5 years depending on hiring review, though the main posting is for an indefinite-term role.

Funding and benefits: annual income starts at about 8 million yen, with salary based on experience, skills, and achievements. Benefits include discretionary work allowance, commuting allowance, housing allowance, and social insurance.

Deadline: applications are due 2026-09-24 at noon Japan time. The start date is as early as possible after 2027-04-01, subject to discussion.

How to apply: submit the required materials through the RIKEN recruitment webpage linked in the posting. The posting indicates electronic submission of the CV and publication list, with other documents also specified on the application page. Direct email application is not accepted.

Funding details

Permanent employee / no fixed term, researcher/postdoc equivalent. Annual income starts around 8 million yen, with salary determined by experience, skills, and achievements. Includes discretionary work allowance, commuting allowance, housing allowance, and social insurance.

What's required

Applicants must have a doctoral degree in a relevant field, or equivalent experience. They should have the knowledge and experience to independently carry out solution chemical analysis. The post is for a senior researcher/researcher equivalent role and expects independent development of space and Earth science research, especially ice core analysis.

How to apply

Apply through the employer's web application portal using the job posting URL. Prepare the required electronic documents, including CV and publication list, as specified on the posting page. Applications must arrive by noon Japan time on 2026-09-24.

More information can be found here

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