Atos

About Atos Group

Atos Group is a global leader in digital transformation with c. 67,000 employees and annual revenue of c. €10 billion, operating in 61 countries under two brands — Atos for services and Eviden for products. European number one in cybersecurity, cloud and high performance computing, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is the brand under which Atos SE (Societas Europaea) operates. Atos SE is listed on Euronext Paris.

The purpose of Atos Group is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.

We are looking for an experienced HPC Administrator to support the design, build, and operation of Linux‑based high‑performance computing clusters (CPU and GPU). You will manage system administration tasks, ensure cluster stability, maintain software stacks, and support parallel computing environments used in scientific and engineering workloads.

Key Responsibilities:

• Design and build Linux-based HPC CPU/GPU clusters.
• Perform system administration, software maintenance, system monitoring, and troubleshooting for HPC/GPU clusters.
• Manage and operate HPC facilities and infrastructure.
• Administer Red Hat Enterprise Linux 8, 9, 10 or similar operating systems.
• Configure and support parallel computing environments: CUDA, OpenMP, MPI
• Deploy and manage Infiniband (ultra low‑latency networks) and Ethernet high‑performance networks.
• Administer batch scheduling systems such as: Slurm, PBS
• Manage compute resources (CPU, GPU, RAM) for serial and parallel workloads.
• Compile, install, update, and tune scientific software and libraries (commercial and open‑source) on compute nodes and HPC file systems.
• Maintain and update firmware and drivers related to HPC systems.

Requirements:

• Experience designing and managing HPC Linux clusters (CPU/GPU).
• Strong background in Linux system administration (preferably RHEL‑based).
• Knowledge of parallel programming environments (CUDA, OpenMP, MPI).
• Experience administering Slurm, PBS, and managing HPC compute resources.
• Hands‑on experience with Infiniband and high‑performance networking.
• Proficiency with compiling and maintaining scientific software stacks.
• Strong troubleshooting skills in complex HPC environments.

Nice to Have

• Familiarity with HPC storage systems.
• Scripting knowledge (Bash, Python).
• Experience in performance tuning of HPC environments.

Location: Madrid

Work model: Hybrid Project

Why join us?

Work at the heart of cutting‑edge supercomputing projects in Europe, alongside top engineers, in an environment that supports learning, ownership, and professional growth.

You will collaborate with highly skilled HPC and AI specialists across Europe and contribute to infrastructures that support major scientific and industrial innovation.

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.

Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment.

Choose your future. Choose Atos.