Scientific Programmer in the Field of High Performance Computing (all genders)
Deutsches Klimarechenzentrum GmbH

Scientific Programmer in the Field of High Performance Computing (all genders)

Germany 30 Apr 2021

ABOUT THE INSTITUTION

The German Climate Computing Center (Deutsches Klimarechenzentrum, DKRZ) is a central service center for German climate and earth system research. Its high performance computers, data storage and serv
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OPPORTUNITY DETAILS

State University
Area
Host Country
Deadline
30 Apr 2021
Study level
Opportunity type
Specialities
Eligible Countries
This opportunity is destined for all countries
Eligible Region
All Regions

The German Climate Computing Centre (DKRZ) is the central data processing facility for the German climate and Earth system modelling and is one of the leading facilities in this area. DKRZ operates supercomputers in the highest performance class, modern high-performance clusters and graphics systems as well as one of the largest data and archive systems worldwide. DKRZ participates in many national and international projects aiming to improve the infrastructure for climate modelling. Through its research group on scientific computing DKRZ is linked to the department of informatics of the University of Hamburg. We are hiring a

Scientific Programmer in the Field of

High Performance Computing (all genders)

Within the research-project Monsoon-2.0 the climate model ICON will be used to perform time-slice global storm-resolving (2.5 km) simulations of the boreal-summer monsoon. The simulations will mainly be carried out on the JUWELS Booster system, which is on number 7 of the Top500 list with the most powerful supercomputers worldwide and on systems operated by our Chinese project partners.

The challenge is to develop the most suitable parallelisation strategy for an architecture, which is based on heterogeneous CPU/GPU processors. The major bottleneck and sometimes the showstopper of high resolution climate simulations is the I/O. In order to achieve high performance with ICON it is essential to enable fast parallel I/O and an optimal MPI (Message Passing Interface) communication when using several thousands of MPI-Processes. Specific libraries for I/O (CDI-PIO) and MPI Communication (YAXT) have been developed at DKRZ for this purpose. Furthermore, post processing of large data sets is a not easy to overcome hurdle.

Responsibilities:

Qualifications:

Personal skills:

We offer you the opportunity to work in a flexible academic environment, follow your own initiative, and build strong collaborations within DKRZ and with scientific partners. The position will start as soon as possible (preferably March 15, 2021) and the contract is initially limited for 2 years. Payment will be in accordance with the German public service positions (TVöD according to the applicant’s qualifications), including extensive social security plans. The conditions of employment follow those of the German civil service.

How to submit your application for this post

Please submit:

Please send your application as a single pdf file quoting the reference DKRZ42 to bewerbungen@dkrz.de

Deadline for applying

This vacancy has been opened February 15, 2021.

The screening of the applications will begin after February 28, 2021.

Further information on these positions

For further information, please contact Dr. Joachim Biercamp (biercamp@dkrz.de).

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