PhD Position in Mathematics (Radboud University)

Employment: 1.0 FTE Gross monthly salary: €3,059 – €3,881 Required background: Research University Degree Organizational unit: Faculty of Science Application deadline: 08 February 2026 Position Overview As a PhD candidate, you will develop new analytical theories and methods for complex systems of partial differential equations and apply them to models for marine biofilm growth. You will join a stimulating research environment, tackle timely open questions, and engage with a vibrant academic community. The Mathematics Department at Radboud University (Nijmegen, Netherlands) is seeking a PhD candidate with a strong background in the analysis of partial differential equations. The project will be supervised by Dr. Stefanie Sonner, is funded by an NWO-M1 project, and includes a light teaching load (10%). Your Job Develop analytical theories and methods to investigate systems of reaction-diffusion equations with nonlinear diffusion. Engage in interdisciplinary research and apply theoretical results to contribute to a better understanding of marine biofilms, important in aquatic ecosystems. Participate in conferences, workshops, and seminars, and publish findings in peer-reviewed journals. The position is funded for four years; a PhD degree from Radboud University will be awarded upon successful completion. Candidate Profile Master’s degree in Mathematics or equivalent (to be completed before the starting date). Strong background in the analysis of partial differential equations, or closely related fields, with interest in interdisciplinary research. Good verbal and written communication skills. Motivated, proactive, willing to learn, able to work independently and in a team. What We Offer Temporary employment contract (1.0 FTE) for 1.5 years; positive evaluation extends it to a total of 4 years. Starting gross monthly salary: €3,059, increasing to €3,881 in the fourth year (38-hour working week, salary scale P). 8% holiday allowance and 8.3% end-of-year bonus. Dual Career Coaching opportunities for partners. Extra days off: choose 30 or 41 days of annual leave (instead of statutory 20). Additional employment conditions: Radboud University supports flexible working hours, work-from-home arrangements, leave options, sports and cultural activity discounts, and a strong pension plan. Training and professional development opportunities are provided. Research Environment The Analysis of PDEs is part of the Applied Mathematics group in the Mathematics Department. The department covers a broad range of pure and applied mathematics topics and maintains strong interdisciplinary links. Friendly and supportive atmosphere with early-career and senior staff from around the world. Community of 20+ PhD candidates. Regular research seminars, colloquia, and informal events. Researchers participate in national networks such as the Special Activity Group ‘Analysis of PDEs’ and the Dutch mathematics cluster NDNS+. Faculty of Science The Faculty of Science (FNWI) at Radboud University engages in groundbreaking research and excellent education. The faculty addresses major societal and scientific challenges, including cybercrime, climate change, and quantum sciences. 1,300+ staff Strong international character with employees from 70+ countries Inclusive, accessible, and welcoming environment with attention to personal and professional development Radboud University Radboud University aims to make an impact through research, education, and collaboration, contributing to a healthy, free world with equal opportunities. We welcome employees with diverse backgrounds, cultures, and perspectives. Application Process Apply via the designated application button. Address your letter to Dr. Stefanie Sonner. Include the documents requested in the application form. Interviews: 26 and 27 February 2026 Preferred start date: 1 May 2026 (latest 1 September 2026) Contact for more information: Dr. Stefanie Sonner – stefanie.sonner@ru.nl Application deadline: 08 February 2026 Acquisition in response to this vacancy is not appreciated. If you apply for this position please say you saw it on Computeroxy

Employment: 1.0 FTE
Gross monthly salary: €3,059 – €3,881
Required background: Research University Degree
Organizational unit: Faculty of Science
Application deadline: 08 February 2026

Position Overview

As a PhD candidate, you will develop new analytical theories and methods for complex systems of partial differential equations and apply them to models for marine biofilm growth. You will join a stimulating research environment, tackle timely open questions, and engage with a vibrant academic community.

The Mathematics Department at Radboud University (Nijmegen, Netherlands) is seeking a PhD candidate with a strong background in the analysis of partial differential equations. The project will be supervised by Dr. Stefanie Sonner, is funded by an NWO-M1 project, and includes a light teaching load (10%).

Your Job

Develop analytical theories and methods to investigate systems of reaction-diffusion equations with nonlinear diffusion.
Engage in interdisciplinary research and apply theoretical results to contribute to a better understanding of marine biofilms, important in aquatic ecosystems.
Participate in conferences, workshops, and seminars, and publish findings in peer-reviewed journals.
The position is funded for four years; a PhD degree from Radboud University will be awarded upon successful completion.

Candidate Profile

Master’s degree in Mathematics or equivalent (to be completed before the starting date).
Strong background in the analysis of partial differential equations, or closely related fields, with interest in interdisciplinary research.
Good verbal and written communication skills.
Motivated, proactive, willing to learn, able to work independently and in a team.

What We Offer

Temporary employment contract (1.0 FTE) for 1.5 years; positive evaluation extends it to a total of 4 years.
Starting gross monthly salary: €3,059, increasing to €3,881 in the fourth year (38-hour working week, salary scale P).
8% holiday allowance and 8.3% end-of-year bonus.
Dual Career Coaching opportunities for partners.
Extra days off: choose 30 or 41 days of annual leave (instead of statutory 20).

Additional employment conditions:
Radboud University supports flexible working hours, work-from-home arrangements, leave options, sports and cultural activity discounts, and a strong pension plan. Training and professional development opportunities are provided.

Research Environment

The Analysis of PDEs is part of the Applied Mathematics group in the Mathematics Department. The department covers a broad range of pure and applied mathematics topics and maintains strong interdisciplinary links.

Friendly and supportive atmosphere with early-career and senior staff from around the world.
Community of 20+ PhD candidates.
Regular research seminars, colloquia, and informal events.
Researchers participate in national networks such as the Special Activity Group ‘Analysis of PDEs’ and the Dutch mathematics cluster NDNS+.

Faculty of Science

The Faculty of Science (FNWI) at Radboud University engages in groundbreaking research and excellent education. The faculty addresses major societal and scientific challenges, including cybercrime, climate change, and quantum sciences.

1,300+ staff
Strong international character with employees from 70+ countries
Inclusive, accessible, and welcoming environment with attention to personal and professional development

Radboud University

Radboud University aims to make an impact through research, education, and collaboration, contributing to a healthy, free world with equal opportunities. We welcome employees with diverse backgrounds, cultures, and perspectives.