Postdoc position in Scientific Computing/HPC at University of Cologne

The Center for Data and Simulation Science (CDS) is looking for a Postdoc (f/m/d) in the area of Scientific Computing/HPC in the group of Prof. Dr.-Ing. Gregor Gassner (Numerical Simulation | Division of Mathematics, University of Cologne). The CDS is a central scientific institution and one of the interfaculty research centers of the University of Cologne. In the CDS, scientists from different faculties work on research problems in data and simulation science. For more information about the CDS, see


» Research and teaching in an international team
» Extension/Implementation within a parallel Discontinuous Galerkin simulation software
» Porting a parallel CPU code to GPU systems
» Participation at international workshops and conferences
» Working on the project ADAPTEX within a BMBF funded research collaboration
» Connecting the DG code to the parallel AMR library t8code


» Excellent PhD thesis in applied math/numerics/scientific computing or related fields
» Publications in an international journal/participation at conferences is desirable
» Experience in development and design of numerical simulation software, in particular with experience in HPC
» Programming languages, e.g., Julia, Fortran, C/C++
» Expertise in the area of numerical methods for compressible fluid dynamics and hyperbolic PDEs (e.g. Discontinuous
Galerkin method and/or Finite Volume methods)
» Expertise in the area of GPU computing/development desirable
» Very good command in spoken and written English

The position is available from 01.05.2023 on a full-time basis and is limited until 31.10.2025.
For more details, see the job posting at If you have any questions, please contact Gregor Gassner (

cc @gregorgassner