Senior HPC Engineer- 11046839

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

We are seeking an experienced Senior HPC Engineer to support and evolve enterprise High Performance Computing (HPC) platforms used for research, engineering, and computational workloads. The successful candidate will be responsible for administering and optimizing HPC infrastructure, with particular emphasis on Linux (RHEL), Slurm workload management, and Nvidia GPU-based computing environments. The role requires hands‑on experience supporting both traditional HPC clusters and GPU-accelerated platforms, including Nvidia DGX/HGX systems.

Your 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.

• 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.

Desirable skills/knowledge/experience:

• Experience with HPC storage technologies such as Lustre or GPFS.
• Knowledge of InfiniBand networking.
• Experience supporting AI/ML or GPU-accelerated workloads.
• Familiarity with OpenMPI, MPICH, or parallel computing frameworks.
• Experience with automation tools such as Ansible.
• Knowledge of container technologies including Docker or Apptainer/Singularity.
• Experience with HPC hardware life cycle management and cluster expansion projects.
• Exposure to cloud-based HPC environments.
• Relevant certifications such as RHCSA, RHCE, or Nvidia certifications.

Location Stevenage Herefordshire, UK