Senior HPC Engineer: Linux, Slurm & GPU Clusters

Infoplus Technologies UK Ltd; Stevenage; On-site; GBP 85,000 - 110,000; Full time

Job summary

Infoplus Technologies UK Ltd is seeking an experienced Senior HPC Engineer to administer and optimize enterprise HPC platforms used for research, engineering, and compute-intensive workloads.

You will manage Slurm scheduling, maintain RHEL systems, and deploy Nvidia GPU environments including DGX/HGX, drivers, and CUDA toolkits. Collaboration with researchers and engineers is essential to deliver robust HPC infrastructure and automation.

Qualifications

• 5+ years experience supporting High Performance Computing (HPC) environments.
• Strong administration experience with Red Hat Enterprise Linux (RHEL 7/8/9).
• Hands-on administration of Slurm Workload Manager in production environments.
• Experience managing HPC clusters, compute nodes, and scheduling infrastructure.
• Practical experience supporting Nvidia GPU-based platforms.
• Hands-on experience with Nvidia DGX and/or HGX systems.
• Experience installing, configuring, upgrading, and troubleshooting Nvidia GPU drivers.
• Strong working knowledge of CUDA and GPU-accelerated workloads.
• Experience troubleshooting Linux, hardware, storage, and networking issues within HPC environments.
• Ability to work directly with engineers, researchers, and technical stakeholders.
• Strong problem-solving, communication, and documentation skills.

Responsibilities

• Administer, maintain, and troubleshoot production HPC environments.
• Manage and support Slurm workload scheduling infrastructure.
• Install, configure, patch, and support Red Hat Enterprise Linux (RHEL) systems.
• Deploy, manage, and troubleshoot Nvidia GPU platforms, including DGX/HGX infrastructure.
• Install, maintain, and upgrade Nvidia drivers, CUDA toolkits, and GPU software stacks.
• Monitor cluster performance, capacity, availability, and resource utilization.
• Support researchers, engineers, and technical users running compute-intensive workloads.
• Diagnose and resolve hardware, operating system, storage, network, and application issues.
• Work with vendors and internal stakeholders to deliver HPC infrastructure improvements.
• Develop and maintain automation, operational procedures, and technical documentation.

Skills

HPC engineering

RHEL administration

Slurm

Nvidia GPUs

DGX/HGX

CUDA

Linux troubleshooting

technical communication

documentation

stakeholder collaboration

Tools

Ansible

Docker

Apptainer/Singularity

OpenMPI

SLURM tooling

Job description

Infoplus Technologies UK Ltd is seeking an experienced Senior HPC Engineer to administer and optimize enterprise HPC platforms used for research, engineering, and compute-intensive workloads.

You will manage Slurm scheduling, maintain RHEL systems, and deploy Nvidia GPU environments including DGX/HGX, drivers, and CUDA toolkits. Collaboration with researchers and engineers is essential to deliver robust HPC infrastructure and automation.