Senior HPC Systems Administrator - Linux, GPU & Infiniband

Bull; Madrid; Hybrid; EUR 65,000 - 95,000; Full time

Job summary

Bull, a leader in high-performance computing, seeks an experienced HPC Administrator in Madrid. You will design, build, and operate Linux-based HPC CPU/GPU clusters, manage software stacks, and support researchers across Europe.

The role emphasizes Slurm scheduling, Infiniband networking, and performance tuning. Hybrid work model in a data‑driven environment with access to cutting‑edge HPC and quantum research initiatives.

Qualifications

• Experience designing and operating HPC Linux clusters.
• Strong Linux system administration, preferably RHEL-based.
• Proficiency with CUDA/OpenMP/MPI parallel environments.
• Hands-on with Slurm and HPC compute resources.

Responsibilities

• Design and build Linux-based HPC CPU/GPU clusters.
• Perform system administration, software maintenance, and monitoring for HPC/GPU clusters.
• Manage HPC facilities and infrastructure.
• Administer Red Hat Enterprise Linux 8/9/10 or similar.
• Configure and support CUDA/OpenMP/MPI environments.
• Deploy and manage Infiniband and Ethernet networks.
• Administer Slurm workloads and batch scheduling.
• Manage compute resources for serial and parallel workloads.
• Compile and tune scientific software on compute nodes and HPC filesystems.
• Maintain firmware and drivers for HPC systems.
• Provide user support, troubleshooting, and performance guidance.

Skills

Linux admin

HPC clusters

Slurm

CUDA

OpenMP

MPI

Infiniband

Networking

Bash

Python

Tools

Slurm workload manager

CUDA toolkit

Infiniband hardware

RHEL/CentOS

Job description

Bull, a leader in high-performance computing, seeks an experienced HPC Administrator in Madrid. You will design, build, and operate Linux-based HPC CPU/GPU clusters, manage software stacks, and support researchers across Europe.

The role emphasizes Slurm scheduling, Infiniband networking, and performance tuning. Hybrid work model in a data‑driven environment with access to cutting‑edge HPC and quantum research initiatives.