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The Center for Climate Systems Modeling (C2SM) at ETH Zurich and the Federal Office of Meteorology and Climatology MeteoSwiss are leading an effort to improve our weather forecast and climate projection and capabilities by adapting numerical models to new and emerging computing architectures. As part of a large international collaboration involving the Swiss National Supercomputing Centre (CSCS), Max-Planck-Institute for Meteorology (MPI-Met) and the German Weather Service (DWD), the weather and climate model ICON is being ported and optimized to run on various supercomputing architectures, in particular on Graphical Processing Units (GPUs). Different approaches are considered to port and adapt the various components of the models, ranging from domain specific languages (DSLs) to compiler directives OpenACC.


Job description

We are seekinga motivated Software Developer to join the international and interdisciplinary research team. The main tasks of the successful candidate will be to contribute to the OpenACC port effort of the Fortran based Numerical Weather Prediction (NWP) components of the ICON model, and in particular of the radiation component ecRad. In addition, the candidate will participate in the maintenance and possible extension of our source to source compiler CLAW (claw-project.github.io) used to port and optimize components of the ICON model to GPUs.

Your profile

You have an MSc or PhD in Computer Science, Physics, Atmospheric Science or a related field. You have excellent programming skills, are used to work in a Linux/Unix environment, and have experience in running and compiling on high-performance computing systems. Experience in developing applications for GPU systems with cuda or OpenACC, or with compiler technology is considered an advantage. You must be ready to work with large, production-level code bases that are partially written using legacy programming paradigms such as Fortran 95/2003. To round off your profile, you are an open-minded, team-oriented and goal-driven individual and enjoy working in a diverse working environment.


ETH Zurich

ETH Zurich is one of the world’s leading universities specialising in science and technology. We are renowned for our excellent education, cutting-edge fundamental research and direct transfer of new knowledge into society. Over 30,000 people from more than 120 countries find our university to be a place that promotes independent thinking and an environment that inspires excellence. Located in the heart of Europe, yet forging connections all over the world, we work together to develop solutions for the global challenges of today and tomorrow.Working, teaching and research at ETH ZurichGet connected

Interested?

We offer an engaging position, which provides the opportunity to work on leading edge software and hardware technologies, to collaborate with internationally renowned research groups and supercomputing centers, and to develop production quality software, within a motivated team.

The positions is available as of February 2021 (or as soon as possible thereafter). Initial appointment is for 2 years. The working place will be at MeteoSwiss (Zurich airport, easily accessible by public transport).

Applications including a letter of interest, a CV, and the names and contact information of 2–3 references will be given full consideration. The position is open until filled. Please note that we exclusively accept applications submitted through our online application portal. Applications via email or postal services will not be considered.


Potential applicants seeking further information (no applications) are invited to contact Dr. Xavier Lapillonne (xavier.lapillonne@meteoswiss.ch). For information concerning C2SM, please contact the Executive Director of C2SM, Dr. Christina Schnadt Poberaj (christina.schnadt@env.ethz.ch).

Apply online now

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