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Faculty of Computer Science:
Chair of Cryptography
In order to fill a fixed-term position in full-time (39.83 hours/week = 100%) at the earliest possible date, we are looking for one
full-time PhD position ( m,f,x) for 3 years with 39,83 hours per week
The Faculty of Computer Science (www.informatik.rub.de <http://www.informatik.rub.de>) unites all ongoing computer science activities at RUB in an interdisciplinary manner. The research and teaching area of IT security, in which our university has been a leader in Europe for over 20 years, plays a central role in the Faculty. This is also reflected in the Cluster of Excellence CASA (www.casa.rub.de <http://www.casa.rub.de> ), which is funded as part of the Federal Government's Excellence Initiative, in which over 100 researchers develop effective measures against cyberattacks. The Chair for Cryptography held by Prof. Dr. Eike Kiltz has an immediate full-time PhD position in the area of cryptography. The Chair offers various courses in the Bachelor's and Master’s degree programs and participates in several third-party funded projects. This international and dynamic team also cooperates with several university and non-university institutions (e.g., the Max Planck Institute). The PhD project is devoted to the design and analysis of cryptographic protocols.
Scope: full-time
Duration: fixed-term, 3 years
Start: at the earliest possible date
Apply by: 2026-03-23
Your tasks:
- Develop new tools and models for the design and analysis of practical cryptography in the post-quantum setting
- Revisit the concrete security of real-word cryptographic protocols
- Additional responsibilities include supporting the tasks in the Chair, e.g. the organisation of scientific conferences
Your profile:
- A completed M.Sc. degree in Computer Science or related fields with excellence grades
- Excellent interpersonal and communication skills in English
- Strong background in the area of cryptography
- Knowledge in lattices, zero-knowledge proofs, and security reductions is a strong plus
We offer:
Employment at one of the largest universities in Germany within the University Alliance Ruhr, Collaboration in a committed and appreciative team, Options for flexible working (mobile working and teleworking), Flexible working hours with consideration for study times, A job in the heart of the lively Ruhr metropolitan region with its diverse cultural offerings
Further information:
The position is salaried and based on the collective agreement of the Länder (TV-L). If the personal and collective agreement requirements are met, the employee will receive pay grade E13 TV-L.
Further information can be found at (in German).
The place of work is Ruhr University Bochum.
If the position is funded by third-party funds the employee has no teaching obligation.
RUB sees itself as a university with an international presence. The campus languages are German and English. Competence in at least one of the two languages and the willingness to learn the other are a prerequisite. RUB provides corresponding free courses for employees.
German language courses are offered by the University Language Center (ZFA) in the field of German as a Foreign Language (DaF). https://www.daf.ruhr-uni-bochum.de/sbgk/index.html.en
The Staff Council has the right to participate in all selection interviews. At the request of a candidate (m/f/x), it will ensure its participation in the entire procedure. Please contact wpr@rub.de.
The Ruhr-Universität Bochum is one of Germany’s leading research universities, addressing the whole range of academic disciplines. A highly dynamic setting enables researchers and students to work across the traditional boundaries of academic subjects and faculties. To create knowledge networks within and beyond the university is Ruhr-Universität Bochum’s declared aim.
The Ruhr-Universität Bochum stands for diversity and equal opportunities. For this reason, we favour a working environment composed of heterogeneous teams, and seek to promote the careers of individuals who are underrepresented in our respective professional areas. The Ruhr-Universität Bochum expressly requests job applications from women. In areas in which they are underrepresented they will be given preference in the case of equivalent qualifications with male candidates. Applications from individuals with disabilities are most welcome.
Contact persons for further information:
Prof. Eike Kiltz Tel.: +49 234 32 25513
Anja Krause Tel.: +49 234 32 27701
Travel costs, accommodation costs and loss of earnings or other application costs for job interviews can unfortunately not be reimbursed.
We look forward to receiving your application via our online application portal by 2026-03-23. Please make sure to mention the reference number ANR 5518.
RUHR-UNIVERSITÄT BOCHUM
44801 Bochum
Universitätsstraße 150
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