HPC System Administration Engineer - Industry - Le Plessis Robinson

Sopra SteriaLe Plessis-RobinsonJob.bopublished 07/24/2026
Must-have:Python
Nice-to-have:Security
Machine translation — original language: French.Show original

About the company

CS, a subsidiary of the Sopra Steria group, is a leading technological player in the design, integration, and operation of critical systems. Present in 7 countries with more than 2,600 passionate employees, we operate at the heart of sovereignty, security, and performance challenges, in strategic sectors such as defense, space, energy, industry, transport, aeronautics, and cybersecurity.

Our difference? Unique expertise in real-time systems, sovereign and sustainable solutions, and a strong culture of innovation, driven by 15% of our turnover invested in R&D. We support our clients in the success of their most complex programs, from air traffic control to anti-drone warfare, including nuclear systems and satellite control centers.

By joining CS, you join a human and innovative company.

  • We deliver much more than systems, we build trust.
  • We go beyond expressed needs, we prepare for tomorrow's challenges.
  • More than mere experts, we shape innovation.

Committed by your side, at the service of your critical challenges.

Accelerating industrial transformation, in complete security. Our INDUSTRY Business Unit accompanies leaders in the aeronautics, energy, and transport sectors in the design, securing, and optimization of their critical systems.

With more than 700 employees in France and North America, it mobilizes recognized expertise enabling the realization of innovative projects in the fields of embedded systems, numerical simulation, cybersecurity, data intelligence, and the digitalization of industrial processes.

Joining this Business Unit means transforming industry with high-impact solutions.

Join a company where people, innovation, and impact meet.

Our singularity? The unique alliance between technological expertise, critical projects, and human commitment. An innovative and responsible company, we build an ethical, inclusive, and future-oriented environment. Open to all talents, we believe that diversity is an asset.

Your tasks

We are recruiting an HPC System Administration Engineer to join our Simulation Numérique agency. This agency brings together our expertise in the fields of scientific computing, modeling, TMA of scientific applications, and the study of complex physical phenomena.

As part of the growth of CS activity in the energy field, you will be responsible for maintaining and ensuring the operation of the world's largest private computing cluster. You will work in an HPC context on behalf of a major industrial player in the Pau region.

The mission consists of

  • Installing, upgrading, and configuring the middleware software of the HPC infrastructure,
  • Evolving system and infrastructure architectures to integrate new hardware,
  • Ensuring MCO and MCS of computing clusters,
  • Ensuring the monitoring of simulations running on the clusters.

Requirements

Holding an engineering degree or university equivalent (Master's level) in informatique, oriented towards Système et Réseaux, you have a minimum of 4 years of experience in administration Linux, as well as experience on an HPC cluster.

You are able to operate in a Linux RedHat environment, with mastery of scripting in Python, Perl and/or Bash. You must demonstrate solid skills in administration réseaux, particularly on technologies such as Ethernet, InfiniBand and Lustre. In-depth knowledge of configuration management tools like Puppet or Ansible is essential, as is experience in monitoring via Centreon, Grafana or Prometheus. Knowledge of calcul haute performance(HPC) is required, including scheduling management with Slurm, PBS or LSF, as well as stockage parallèle via Lustre or GPFS. Finally, an appetite for hardware is indispensable to fully succeed in this position.

You have a good level of English (reading, writing, speaking).

Are you autonome and curieux.se? Do you enjoy travail en équipe and are you rigoureux.se? Then, you are the gem we are looking for.

What we offer

At CS, we offer

  • An enriching employee experience, driven by a work environment designed to promote flexibility, autonomy, and daily well-being.
  • A complete integration process designed to onboard every talent from day one and an Academy to develop your skills, enrich your expertise, and build professional paths that suit you.
  • A strong societal commitment: more than 3,000 supported associations, an active disability policy, an inclusive culture, a responsible digital approach, and partnerships like Elles bougent to inspire tomorrow's female talents.

…and many other benefits to discover by joining us!

How to apply

THE NEXT STEPS If your profile matches, you will be invited to a technical interview with one of our Operational Managers, to discuss your skills and your vision of the profession.

Finally, because we value transparency and respect, we commit to providing you with personalized feedback by telephone, regardless of the outcome of the process.

Other

This position is based in Paris, with the possibility of also being filled at our Pau site.

#développement #nucléaire An inclusive and committed employer, our company works every day to fight against all forms of discrimination and promote a respectful working environment. This is why, committed to diversity and inclusion, we encourage all applications and all profiles.