KDDI Research, Inc.
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Researcher Position in Usable Security, Privacy, and Human-AI Interaction KDDI Research, Inc. in Japan
Degree Level
not provided
Field of study
Computer Science
Funding
Full-time permanent employee position at KDDI Research, Inc. Annual income is listed as approximately 4 million to 9 million yen, with an estimated range of about 4.2 million to 8.5 million yen including various allowances excluding commuting allowance. Salary increase, bonus, commuting allowance, retirement system, and social insurance are provided.
Deadline
Mar 31, 2027
Country
Japan
University
KDDI Research, Inc.

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About this position
KDDI Research, Inc. is recruiting a researcher / postdoc-equivalent permanent employee in usable security, with a work location in Saitama Prefecture, Japan (Fujimino City, Kanto area). The role sits in the Cybersecurity Group and focuses on the intersection of information security, privacy, human factors, human-computer interaction, and human-AI interaction.
The research agenda includes: quantifying and evaluating human behavior related to security and privacy; developing intervention and support technologies that promote secure decision-making and behavior change; building interaction and trust models between humans and AI agents; and advancing verification, intellectual property protection, and social implementation of research outcomes.
Applicants should have a bachelor’s, master’s, or doctoral degree in any field. Preferred backgrounds include research and development experience in human factors, ergonomics, or HCI in security/privacy; experimental design and quantitative/qualitative analysis using behavioral science, cognitive psychology, or ergonomics; or UI/UX design for AI agents. English reading and writing skills are desirable.
The position is full-time and permanent (no fixed term), with a probationary period. Compensation is listed at roughly 4 million to 9 million yen annually (estimated range about 4.2 to 8.5 million yen including allowances, excluding commuting allowance). Benefits include salary increases, bonuses, commuting allowance, retirement system, and social insurance.
Deadline: applications must arrive between 2026-10-13 and 2027-03-31. Apply online via the JREC-IN Portal web application using the required documents (resume and list of achievements). Email applications are not accepted.
Funding details
Full-time permanent employee position at KDDI Research, Inc. Annual income is listed as approximately 4 million to 9 million yen, with an estimated range of about 4.2 million to 8.5 million yen including various allowances excluding commuting allowance. Salary increase, bonus, commuting allowance, retirement system, and social insurance are provided.
What's required
Applicants must hold a bachelor's, master's, or doctoral degree in any field. Desired experience includes research and development in human factors, ergonomics, or HCI related to security and privacy; designing subject experiments and performing quantitative/qualitative data analysis based on behavioral science, cognitive psychology, or ergonomics; or UI/UX design for AI agents. English reading and writing skills are desirable.
How to apply
Prepare the required documents (resume and list of achievements) and submit them through the JREC-IN Portal web application. Email application is not possible. The selection process is document screening followed by an interview for shortlisted candidates.
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