Linux Systems Engineer - HPC

Job Title: HPC Linux Systems Engineer - Enterprise Linux & Cluster Infrastructure

Location: Hybrid to Remote - Swansea (mostly remote & expenses for all site travel)

Day Rate: £465 per day - payable to Limited Company / Outside IR35

Duration: 4 months initially

Pay Frequency: Weekly

Start Date: ASAP

Overview

We are seeking an experienced HPC Linux Systems Engineer to deploy, configure, optimise and support high-performance computing (HPC) environments. This includes large-scale Linux clusters, GPU-accelerated systems, and associated storage, networking, and authentication infrastructure.

Although this role is hybrid, it's expected to be largely remote / WFH.

Responsibilities

• Deploy, configure, optimise and support enterprise Linux across HPC clusters
• Automate provisioning and manage configuration at scale (PXE, Kickstart, Ansible/Puppet)
• Install, configure, and optimise HPC schedulers (e.g. Slurm) and MPI environments
• Deploy and manage GPU (NVIDIA/CUDA) and high-performance storage solutions
• Monitor, benchmark, and tune system performance across compute, network, and storage
• Implement authentication, security controls, and system hardening for multi-user environments
• Support HPC software stacks, toolchains, and container runtimes (Spack, EasyBuild, Apptainer)
• Maintain documentation and support user access/workflows

Requirements

• Strong Linux administration in HPC or large-scale environments
• Experience with automation and cluster provisioning
• Knowledge of Slurm, MPI, and parallel computing
• Experience with GPU/CUDA environments
• Understanding of system performance tuning
• Familiarity with identity management and security best practices
• Previous experience operating as an HPC Linux Systems Engineer