Senior HPC Engineer

LA International Computer Consultants Ltd; Aston; Hybrid; GBP 83,000 - 120,000; Full time

Job summary

LA International Computer Consultants Ltd seeks a Senior HPC Engineer to support enterprise HPC platforms used for research, engineering, and computational workloads. The role focuses on administering and optimizing HPC environments, with emphasis on Linux (RHEL), Slurm, and Nvidia GPU computing platforms, including DGX/HGX systems.

You will work on production HPC clusters, manage Slurm, and ensure drivers and CUDA toolkits are up to date.

Qualifications

• 5+ years of experience supporting HPC environments.
• Strong administration experience with Red Hat Enterprise Linux (RHEL).
• Hands-on administration of Slurm in production environments.
• Experience managing HPC clusters, compute nodes, and scheduling infrastructure.
• Practical experience with Nvidia GPU platforms (DGX/HGX).
• Experience installing, configuring, upgrading Nvidia drivers and CUDA toolkits.
• Knowledge of CUDA and GPU-accelerated workloads.
• Experience with Linux, hardware, storage, and networking issues in HPC environments.

Responsibilities

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

Skills

RHEL administration

Slurm

Nvidia GPUs

DGX/HGX

CUDA

HPC clusters

Troubleshooting

Documentation

Stakeholder communication

Tools

Ansible

Docker/Apptainer

Job description

Senior HPC Engineer
12 Month contract initially + Extensions
Based: Hybrid working. 2-3 days p/w onsite in Stevenage
Rate - £Market rates p/d via Umbrella

We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We have a great opportunity for a Senior HPC Engineer on a long term program of work.

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.

Key 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.

Key Skills & Experience

• 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.

LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance.

A multiple award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over consecutive years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported.

We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience.

Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.