PhD Students

Saarbrücken, Germany

What we are always looking for

We are looking for PhD students in all areas related to CISPA, notably

  • Cybersecurity, Privacy, Cryptography

  • Machine Learning and Data Science

  • Efficient Algorithms and Foundations of Theoretical Computer Science

  • Software Engineering, Program Analysis and Formal Methods

We constantly seek applications from outstanding students regardless of their national origin or citizenship. Admission to the Computer Science graduate program is highly competitive. A successful Bachelor’s degree or a Master’s degree from a top-tier, research-oriented institution of higher education in a subject relevant to our research is required. Applicants should have an outstanding academic record (at or near the top of their class), proficiency in spoken and written English, and strong letters of recommendation from their academic advisors.
If you hold a foreign higher education qualification (acquired outside of Germany), you might have to submit a Statement of Comparability for Foreign Higher Education Qualifications, if you are accepted. For more information (including a FAQ, how to apply, and why is it necessary), please refer to the official website (in English):

What we offer

CISPA maintains an open, international and diverse work environment. Every PhD student is a member of a research group lead by his or her supervisor. Admitted students are as a rule paid employees of CISPA with a full time contract. The working language is English.

Highlighted Positions

Odoo • Image and Text

The group of Christian Rossow is hiring PhD students in the broad area of system security, software security and network security. Example research topics include network protocol security, DDoS attacks and defenses, traffic analysis, secure software/hardware co-designs, or timing side channels. Find more information here.

Odoo • Image and Text

The group of Kamil Kluczniak is looking for Ph.D. students broadly interested in theoretical and/or practical aspects of Cryptography. Although the group is currently focused on homomorphic encryption and public-key cryptography, candidates will be encouraged to find and pursue their own research interests.

Candidates are encouraged to send ``Hello CISPA!!!'' to the email adress that is under the variable m from the following Python code:

>>> c = m**e % N
>>> print(str(c) + ", " + str(e) + ", " +  str(N))
>>> 3016, 19, 10403 
>>> m = str(c**d % N) + ""


Qualified candidates who wish to pursue a doctoral degree in a research area covered by CISPA faculty may apply at any time. We will accept applications throughout the year for exceptionally strong candidates. Admitted applicants will have an opportunity to visit the center and its partner institutions and interact with faculty and students before making their decision. Admitted students are advised by CISPA faculty.

The center is committed to increasing the representation of women, minorities, and individuals with disabilities in Computer Science. In accordance with the Equal Opportunity Plan, the institute aims at increasing the number of women in Computer Science, and explicitly encourages women to apply. Applications of severely disabled candidates with equivalent qualifications will be given priority. In general, we welcome applications regardless of gender, nationality, ethnic and social origin, religion/belief, disability, age and sexual orientation and identity.

In case of interest in working at CISPA, please press the "Apply now" button. We welcome applications in PDF format. 

For any questions regarding the application process, please contact us at:


The CISPA Helmholtz Center for Information Security provides a unique work environment that offers the advantages of a university department and a research laboratory alike. As the latest member of the Helmholtz Association, the largest research organization in Germany, CISPA has embarked on a mission: to rethink the digitalized world of the future from the ground up and make it safer through innovative cutting-edge research. In the medium term, the center will grow to more than 800 employees with not less than 60 Faculty and research group leaders. Faculty receive extremely competitive institutional funding, enjoy academic freedom, and build and lead their team of young researchers, and are granted the opportunity to teach graduate and undergraduate courses.

CISPA is located in Saarbrücken, in the tri-border area of Germany, France, and Luxembourg. The working language is English. A command of German is not required for a successful career at CISPA.

All information on the processing of your personal data, your statements in the application process and your data privacy rights can be found in our data privacy policy.