Jaap-Henk Hoepman

Radboud University is advertising a postdoc position in usable privacy-enhancing technologies and attribute-based identity wallet technology within the European REAL-PETS project. The postdoctoral researcher will work on two connected research tracks: (1) studying the usability of real-world privacy-enhancing technologies such as VPNs and other PETs through user studies, and (2) designing and prototyping a privacy-preserving age-verification solution based on attribute-based credentials and identity wallet technology. The project focuses on strengthening digital privacy, privacy-preserving digital identity, and trustworthy online technologies. The position is based in the Digital Security (DiS) group at the Institute for Computing and Information Sciences (iCIS) , within Radboud University’s Faculty of Science , and is also connected to iHub , the university’s interdisciplinary hub on digitalisation and society. The work is interdisciplinary and involves collaboration with researchers and industry partners across Europe. Applicants should have a PhD in computer science, cybersecurity, or a related field , or expect to obtain one within a few months. Required strengths include solid programming skills, knowledge of cryptographic technologies used in modern identity wallets, expertise in usable security and privacy , and experience with empirical methods such as controlled experiments, surveys, interviews, and qualitative/quantitative analysis. Strong English skills are required; Dutch is not required. The appointment is 1.0 FTE for two years . The salary is in scale 10 with a gross monthly range of €3,706–€5,760 , plus an 8% holiday allowance, an 8.3% end-of-year bonus, extra leave days, and other employment benefits. The application deadline is 8 November 2026 . Apply online via the university’s application portal. The first interviews are scheduled for 18 November , and a second interview may take place on 1 December . The preferred start date is 1 April 2027 .