Job Description:

Linux HPC Specialist / HPC Architect

An exciting opportunity for a passionate HPC Architect to join a unique, multi-national Information Management function. Ideal candidates should be committed to the future of software-defined data centres and open source technologies, with the dedication to support our engineering community in a dynamic, fast-paced development environment.

Security Clearance | This role will require DV Clearance; due to this we can only consider sole British citizenship holders. As a minimum, and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard (BPSS) checks.

Dynamic (hybrid) working: 2–3 days per week on-site due to workload classification

The opportunity:

We are seeking a forward-thinking HPC Architect with expertise in storage and infrastructure to define the long-term future roadmap of our HPC environments. You will ensure alignment with business objectives in collaboration with our business areas, and be responsible for building scalable, high-throughput infrastructure.

You will manage and maintain HPC environments including compute nodes, storage and interconnects, working closely with your team and wider stakeholders across the organisation. You will also engage with multi-national, multi-cultural teams to drive capability development cross-functionally.

• Become part of a well-respected team recognised for its professionalism, dedication and flexibility
• Work both nationally and internationally, broadening your horizons within a culturally diverse organisation
• Partner with engineers and HPC vendors to ensure HPC services meet evolving business needs
• Join a values-led organisation committed to investing in its workforce through a personal development programme

What we're looking for from you:

Architecture & Strategy

• Define the long-term HPC architecture roadmap aligned with organisational goals
• Evaluate and select technologies across compute, storage, networking, and cloud HPC
• Establish standards, reference architectures, and best practices

System Design & Engineering Oversight

• Architect large-scale HPC clusters, including CPU, GPU, and accelerator-based systems
• Design high-performance networking (InfiniBand, RDMA, high-speed Ethernet)
• Define storage architecture (parallel file systems, object storage, tiered storage)
• Provide technical leadership and oversight to HPC engineering and operations teams

Performance & Scalability

• Ensure systems are designed for optimal throughput, latency, and scalability
• Lead performance benchmarking, capacity planning, and workload modelling
• Identify and eliminate architectural bottlenecks

Workload & Software Ecosystem

• Define strategies for workload orchestration (SLURM, Kubernetes for HPC, etc.)
• Guide software stack design (MPI, CUDA, compilers, libraries, containers)
• Ensure reproducibility, portability, and performance of workloads