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Japan Agency for Marine-Earth Science and Technology (JAMSTEC)

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Postdoctoral Researcher in Marine Plastic Digital Twins, AI, and Environmental Modeling Japan Agency for Marine-Earth Science and Technology in Japan

Degree Level

Postdoc

Field of study

Computer Science

Funding

Full-time fixed-term postdoctoral employment with an annual income of 4 million to 6 million yen; the reference annual salary is 4.4 million to 5.6 million yen, determined according to experience and ability. Salary is paid monthly in 12 installments, with bonuses and retirement allowances included. Commuting and relocation expenses are provided. Health, employees' pension, workers' compensation, and employment insurance apply. Employee welfare and mutual-aid systems are available.

Deadline

Nov 24, 2026

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Country

Japan

University

Japan Agency for Marine-Earth Science and Technology (JAMSTEC)

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Keywords

Computer Science
Environmental Science
Artificial Intelligence
Earth Science
Ecological Modeling
Robotics
Economics
Microplastic
ML

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About this position

The Japan Agency for Marine-Earth Science and Technology (JAMSTEC) is seeking a postdoctoral researcher for the Data Science Research Program within its Information and Earth Science Research Division at the Yokohama Research Institute in Kanagawa, Japan.

The researcher will contribute to the CREST project “Connecting Environmental Dynamics Changes and a Circular Economy: Marine Plastic Digital Twins”, led by Principal Investigator Daisuke Matsuoka. The project aims to develop an infrastructure capable of representing and analyzing marine plastic pollution and its connections with environmental and socioeconomic processes.

The work will include designing and constructing a digital twin platform, quantifying observation data—particularly remote-sensing imagery—using image-analysis artificial intelligence, and integrating environmental dynamics models with socioeconomic models. The environmental component includes ocean plastic-waste tracking, while the socioeconomic component represents plastic flows through system-dynamics modeling.

The project also investigates future extensions to microplastics and their effects on ecosystems and food chains. The research environment brings together oceanography, environmental science, information science, environmental economics, remote sensing, machine learning, and computational modeling within a national marine-earth science research organization.

The position is a full-time, fixed-term postdoctoral appointment associated with the project and is based at JAMSTEC’s Yokohama Research Institute. Employment is initially planned from April 1, 2027, to March 31, 2028, with possible renewal through March 31, 2030 depending on project progress, performance, and budget.

Funding details

Full-time fixed-term postdoctoral employment with an annual income of 4 million to 6 million yen; the reference annual salary is 4.4 million to 5.6 million yen, determined according to experience and ability. Salary is paid monthly in 12 installments, with bonuses and retirement allowances included. Commuting and relocation expenses are provided. Health, employees' pension, workers' compensation, and employment insurance apply. Employee welfare and mutual-aid systems are available.

What's required

Applicants must hold a PhD in a related field, or be expected to obtain one by the hiring date; the PhD must have been obtained after April 2021 and within five years of the hiring date. Applicants must have experience in machine learning, including image recognition or natural language processing, programming in Python, and AI coding. Application materials include a resume, research-achievement and competitive-funding list, a one-page previous-research summary, a one-page research plan for the project, and up to two major publications. A recommender's contact number must be provided. If Japanese is not the applicant's native language, English will be used during work.

How to apply

Prepare the electronic application documents listed in the guidelines, including a resume, achievement and funding record, research summaries and plan, and up to two major publications. Submit the application through the recruitment URL on the JAMSTEC website; the JREC-IN Portal and email application routes are unavailable.

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