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The University of Vienna is a community of almost 11,000 individuals, including approximately 7,700 academic staff members, who passionately pursue answers to the profound questions that shape our future. They represent individuals driven by curiosity and a relentless pursuit of excellence. With us, they find the space to try things out and unfold their potential. Are you inspired by their passion and determination? We are currently seeking a/an
University assistant predoctoral
51 Faculty of Physics
Job vacancy starting: 09/01/2026 | Working hours: 30,00 | Classification CBA: §48 VwGr. B1 Grundstufe (praedoc)
Limited contract until: 08/31/2029
Job ID: 5842
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Are you interested in fundamental questions in theoretical physics and in the mathematical structures underlying General Relativity & Cosmology? The Gravitational Physics Group at the Faculty of Physics of the University of Vienna invites applications for a PhD position in theoretical and mathematical gravitational physics. The doctoral project will focus on modern aspects of mathematical and numerical cosmology. The precise focus will be defined during the initial phase of the appointment in accordance with the aims of the position and the background of the successful candidate.
Your personal sphere of influence:
As a university assistant predoctoral, you will join the Gravitational Physics Group at the Faculty of Physics. The position is intended for a doctoral project in theoretical and mathematical gravitational physics, broadly within the area of mathematical and numerical cosmology.
Possible research directions include mathematical and numerical aspects of structure formation in cosmology. The concrete doctoral project will take into account the previous expertise, interests and strengths of the successful candidate.
The group offers a research environment for candidates who are interested in fundamental questions and who want to develop a strong and independent profile in theoretical physics. You will also benefit from the broader research environment of the Faculty of Physics and the Vienna Doctoral School in Physics, which connects PhD students across all areas of physics.
Your future tasks:
You actively participate in research, teaching & administration, which means:
- You will work on a doctoral project in theoretical and mathematical gravitational physics, broadly connected to mathematical and numerical cosmology.
- You will present your research plan to the faculty and complete a dissertation agreement within 12-18 months. This will be reviewed and adapted on an annual basis.
- You will work on your dissertation and towards its completion in time, with a high level of independence.
- You will contribute to teaching (mainly exercise classes) within the provisions of the collective bargaining agreement.
- You will fill some administrative tasks, contributing to the success and self-organization of the group for research, teaching and administration.
- You will actively participate in seminars, group meetings, and other activities of the group.
- You will continuously stay informed about the state of the art in your field.
- You contribute to outreach by publications, conference presentations and public activities.
This is part of your personality:
- You have completed a Master’s degree or Diploma in physics, mathematical physics or a closely related field.
- Your Master’s thesis was in theoretical physics, mathematical physics or cosmology.
- You have a profound background in theoretical physics and mathematics.
- You have excellent grades in advanced theoretical and mathematical courses during your studies.
- You have a solid working knowledge of matter models in general realtivity, in particular Vlasov matter, and you are willing to deepen your expertise in the mathematical and numerical methods relevant for the dissertation project.
- You are able to read and work with advanced research literature independently.
- You have experience in scientific writing, for example through a Master’s thesis or comparable written research work.
- You have an excellent command of written and spoken English.
- You are motivated to work independently while also contributing constructively to a research group.
- Previous knowledge of the following area is desirable: theoretical cosmology.
What we offer:
Work-life balance: Our employees enjoy flexible working hours and can partially work remotely.
Inspiring working atmosphere: You are a part of an international academic team in a healthy and fair working environment.
Good public transport connections: Your workplace is easily accessible by public transport.
Internal further training & coaching: Opportunity to deepen your skills on an ongoing basis. There are over 600 courses to choose from – free of charge.
Fair salary: The basic salary of EUR 2,832.08 for 30 hours/week, 14x p.a., increases if we can credit professional experience.
The employment duration is 3 years. Initially limited to 1.5 years, the employment relationship is automatically extended to 3 years if the employer does not terminate it within the first 12 months by submitting a non-extension declaration.
Equal opportunities for all: We welcome every additional/new personality to the team!
It is that easy to apply:
- With your scientific curriculum vitae
- With a letter of motivation explaining your previous academic and research achievements, your research interests and your fit for the advertised research area
- With your Bachelor’s and Master’s degree certificates, or current confirmation that the Master’s degree will be completed before the starting date
- With transcripts of records from your Bachelor’s and Master’s studies
- With your Master’s thesis, or, if it is not yet completed, a draft, extended abstract or summary of the thesis project
- Via our job portal / Apply now - button
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- Applicants should arrange a letter of reference sent to [email protected] before the deadline.
If you have any questions, please contact:
David Fajman
[email protected]
We look forward to new personalities in our team!
The University of Vienna has an anti-discriminatory employment policy and attaches great importance to equal opportunities, the advancement of women and diversity. We place particular emphasis on enhancing women’s representation among the academic and general university staff, particularly in leadership roles, and therefore expressly encourage qualified women to apply. Given equal qualifications, preference will be given to female candidates.
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Application deadline: 07/27/2026
