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System Administrator (HPC)

Cadarache, Provence-Alpes-Côte-d’Azur, France

Job description

We are looking for a System Administrator on behalf of and in support to our client for their location in Cadarache, France. The selected candidate should show integrity and professionalism. The System Administrator will be responsible for the evolution and maintenance of HPC (RHN/Satellite/Spacewalk) Systems.

Please note, the successful candidate will be employed by ATG Europe (or one of its subsidiaries). Furthermore, upon selection, they will be subject to a general security screening performed by an external provider (further information will be provided at the interview stage).

The successful candidate will be tasked with, but not limited to:

  • Maintain and evolve HPC system deployment solution (RHN Satellite/Spacewalk); update of kickstarts/activation keys/distributions/configuration files/post install-scripts;
  • Maintain and evolve the calculation nodes operating systems; CentOS 5 and higher;
  • Maintain and evolve the HPC job scheduler and the calculation queues associated;
  • Maintain and evolve the HPC authentication appliance by creating and maintaining users and groups databases (winbind/LDPA);
  • Perform regular security and errata update on the HPC;
  • Monitor all HPC systems using Nagios and Splunk;
  • Assist in review of calculation code with scientists to implement them on the HPC;
  • License and Hardware management;
  • Keep documentation up to date;
  • Follow-up of the installation of the new nodes using latest CentOS released;
  • Improvement and mandatory changes for the HPC deployment solution;
  • Improvement and mandatory changes for the HPC job scheduler and the jobs related.

Job requirements

  • Post Secondary Diploma or Bachelor Degree in Computer Science or Engineering or another domain relevant for the profile;
  • At least 5 years of relevant working experience, of which 3 years in a similar role;
  • Previous experience with HPC (High Performance Computer) support services, in particular: Support services in HPC administration including job scheduling (Torque/Maui, SGE), node provisioning (xCAT), HPC code compilation & libraries management (MPI, OpenMPI, modules), configuration management (Puppet), compilers (Intel Composer, PGI), parallel storage (Lustre, GlusterFS) and low latency network (Infiniband);
  • MSCA Certification is advantageous;
  • Fluency in English, both written and spoken;
  • Eligibility to work and live in the EU.

Please submit your application in English via the apply button below. Applications submitted in other languages will not be considered.


Cadarache, France


What do we offer?

In ATG Europe (or our subsidiaries) you will have the chance to work on the most interesting and technologically advanced projects in the space, big-science, and high-tech domains. You will enjoy the focused yet relaxed spirit and culture of our teams and the excellent working conditions our company provides. We firmly believe that development and growth perspectives are crucial to everyone’s career, and we therefore provide you with a personal development plan, regular assessment checkpoints and a dedicated training and education budget to support you, not only in your current work, but also paving the road to your next professional steps.

For those relocating in order to embrace a new career with us, we offer international relocation assistance in settling in your new home or finding the right school for your children and a relocation budget that is applicable to all ATG staff.

About ATG Europe

Today, ATG Europe is recognized as a leading provider of specialized engineering, scientific and technical services to the European Space, Big-Science, and high-tech industry. Our headquarters are located in Noordwijk, the Netherlands and we have subsidiaries in Germany, Ireland, Spain, Italy, and the UK. Besides these countries, ATG also operates in France, Czech Republic, Sweden, Norway, and Belgium.