Institute of Environmental Geosciences, Saint-Martin-d’Hères

The scientific computing engineer pilots the realization of ocean simulations
high-resolution ice using the NEMO code, sometimes pushed to the borders of
its capabilities in terms of functionality and resolution and coupled with other
models (atmosphere, or cap). These simulations contribute to the study of the
dynamics of the ocean-bank system, to the design and operation of
Earth observation space missions and the improvement of
operational forecast.
– Produce high-resolution simulations based on the reference version of
NEMO (possibly coupled with related models);
– Optimize the implementation of the NEMO code on national data centers and
– Maintain simulation databases and disseminate them to the
users (research, operational, space, climate);
– Coordinate the integration of developments made at the IGE on NEMO and their
transfer to the code development team;
– Coordinate the development of simulation pre-/post-processing tools;
– Provide feedback to the NEMO development team, the
data centers (code performance, adequacy of calculators to needs
users), and Copernicus marine services;
– Participate in the writing of scientific projects, requests for hours of
calculation, and publications directly related to its activity;
– Contribute to the training of NEMO users within the unit, in the
areas of expertise;
– Ensure technological monitoring of emerging techniques related to the
geoscience modelling and data exploitation.
Required skills:
– In-depth skills in numerical modelling of geophysical flows
– In-depth skills in high-performance scientific computing (in
particular massively parallel computing, and optimization of applications on
– Mastery of the Fortran and Python languages, Linux/Unix operating systems
– Experience in collaborative software development (code management tools,
documentation and continuous integration);
– Proficiency in English (written and oral comprehension at level B2);
– Proficiency in written communication techniques (reports, documentation) and
oral (presentations, workshops).

Desired skills:
– Experience in numerical simulation of ocean circulation;
– Experience in the implementation of model coupling techniques.

– Autonomy and ability to work in a team, including in a context
– Ability to reason analytically;
– Relationship skills, a sense of listening and service;
– Scientific and technical curiosity;
– Ability to take responsibility and mentor.
The Institute of Environmental Geosciences (IGE) is a public laboratory of search for about 250 people installed at 2 sites on the university campus from Grenoble. The IGE is one of the main laboratories of the the Grenoble Universe (OSUG), a federative structure of the INSU. The IGE studies climate, the environment and interactions between environments. Its research is based on observations, experiments and numerical simulations. The IGE uses the NEMO code, which includes the model OCE ocean circulation and the SI3 pack ice model. The developments of this Community code, used by more than 1600 people, are coordinated by the
CNRS within the framework of a European consortium. The IGE MEOM team operates the synergies between modelling and observation to study dynamics and ocean and pack ice variability interacting with related environments and develops methods of assembly simulation and data assimilation.

Its activities contribute to the development of NEMO, to the improvement of systems operational forecasting (Copernicus marine services) and the design of space observation missions (CNES). The scientific computing engineer will develop ocean-bank modeling high resolution in support of the unit’s research activities, in particular via ambitious simulations serving a wide community of users. This work will also aim, in conjunction with the other IGE modellers, to improve the representation of the fine-scale couplings between ocean, atmosphere, pack ice and potentially cap.

Assigned to the MEOM team, the engineer will work in interaction with all team members and will interact with
the unit on transversal themes related to modelling, the team of development of NEMO and teams using IGE simulations.

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