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Advertising division: JSC - Jülich Supercomputing Centre
Reference number: 2019-342

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The Jülich Supercomputing Centre (JSC) operates one of the most powerful HPC infrastructures in Europe, enabling scientists and engineers to solve highly complex problems by simulations. Simulation and Data Laboratories (Simlabs) provide the interface between domain-specific research and JSC’s supercomputing infrastructure. They offer high level support and conduct interdisciplinary research to solve challenges which require cooperation between domain scientists and the JSC HPC experts. The SimLab Climate Science and the SimLab Terrestrial Systems focus is on high-performance scientific computing in the geosciences. In collaboration with other research units at Forschungszentrum Jülich, regional universities, and other Helmholtz research centers they contribute to an improved understanding and enhanced prediction capabilities of geophysical, hydrological, meteorological and bio-geochemical processes in the Earth system.
The work of the SimLabs is embedded in the activities of the Helmholtz Earth System Modeling Advanced Capacity project https://www.esm-project.net/ and the Centre for High Performance Scientific Computing in Terrestrial Systems http://www.hpsc-terrsys.de/hpsc-terrsys/EN/Home/home_node.html in the Geoverbund ABC/J
http://www.geoverbund-abcj.de/geoverbund/DE/Home/home_node.html .
The SimLabs are lead partners of the recently funded Pilotlab Exascale Earth System Modelling initiative, which seeks to explore novel IT concepts and solutions to enable Earth System Model simulations on future exascale supercomputer architectures.

We are looking to recruit a

Computer Scientist for Development of Geoscientific HPC Software

Your Job:

  • Exploration of innovative software technologies for the development and extension of next generation Earth system models
  • Development of software solutions to allow adaptation of Earth system model components to and optimization on Exascale hardware technologies, especially massively parallel GPU modules
  • Set-up and implementation of test scenarios to evaluate new software concepts in different application fields (e.g., atmospheric chemistry or subsurface water flow)


Your Profile:

  • University degree in either computer science, applied mathematics or physics
  • a PhD degree and relevant scientific publications are an advantage
  • Proven experience with MPI and OpenMP in Fortran or C/C++ on HPC systems
  • First experiences in GPU programming (CUDA, OpenACC, OpenCL)
  • Experience with Python
  • Very good communication and organisational skills
  • Very good command of the English language


Our Offer:

  • Vibrant international and interdisciplinary work environment on an attractive research campus, ideally situated between the cities of Cologne, Düsseldorf, and Aachen
  • Active participation in a cutting-edge research initiative with high technological and societal relevance
  • National and international conferences and workshops
  • Possibility for further scientific and technical training through international experts
  • An exceptional research and high-performance scientific computing infrastructure at JSC
  • Flexible working hours and various opportunities to reconcile work and private life
  • Limited for 2 years with possible longer-term prospects
  • Full-time position with the option of slightly reduced working hours
  • Salary and social benefits in conformity with the provisions of the Collective Agreement for the Civil Service (TVöD)


Forschungszentrum Jülich promotes equal opportunities and diversity in its employment relations.

We also welcome applications from disabled persons.

Additional Information

We look forward to receiving your application, preferably online via our online recruitment system on our career site, quoting the above-mentioned reference number.

Questions about the vacancy?
Contact us by mentioning the reference number 2019-342: career@fz-juelich.de
Please note that for technical reasons we cannot accept applications via email.