Senior HPC/Linux Engineer -

Mode of working

Hybrid/office based

Hybrid

If Hybrid, how many days are required in office?

3 days

Number of positions

1

The Role

We are seeking an experienced Senior HPC Engineer to manage, secure and maintain the organisation's scientific computing environment. The role will focus on RHEL-based HPC infrastructure, Slurm workload management and scientific application support, while working closely with research scientists and technical teams to deliver reliable, secure and high-performing computing services.

Your responsibilities

• Administer, patch, secure and maintain RHEL 7, 8 and 9 environments across HPC clusters and high-end workstations.
• Deploy, configure and manage Slurm, including scheduling, queues, partitions and fair-share policies.
• Monitor and optimise cluster health, resource utilisation, storage, networking and job throughput.
• Install and support scientific software, compilers, libraries and MPI environments.
• Work directly with scientists to understand computational requirements, optimise workloads and resolve application issues.
• Troubleshoot complex hardware, operating system, scheduler and application problems, including root-cause analysis.
• Manage incidents, problems and service requests through ServiceNow.
• Collaborate with networking, storage, security, DevOps teams and external vendors to deliver reliable HPC services.

Your Profile

Essential skills/knowledge/experience

• Minimum of 10 years' enterprise IT experience, including at least 3 to 5 years in an HPC or research-computing role.
• Extensive hands‑on administration and troubleshooting experience with RHEL 7, 8 and 9.
• Proven experience managing HPC clusters and deploying, configuring and operating Slurm.
• Experience supporting scientific or research applications in a Linux HPC environment.
• Strong troubleshooting skills across hardware, operating systems, schedulers and applications.
• Working knowledge of ServiceNow or an equivalent ITSM platform.
• Ability to work collaboratively with research scientists and translate computational requirements into practical technical solutions.
• Excellent communication and stakeholder‑management skills.
• Ability to work onsite for a minimum of three days per week and attend at short notice when physical‑system support is required.

Desirable skills/knowledge/experience

• Experience with Docker or other container technologies in an HPC environment.
• Knowledge of Ansible or similar configuration‑management and automation tools.
• Experience supporting GPU computing, CUDA and GPU‑accelerated workloads on RHEL.
• Understanding of MPI libraries, particularly OpenMPI or MPICH, and their integration with Slurm.
• Familiarity with InfiniBand, high‑speed Ethernet and HPC networking concepts.
• Experience with web server configuration and SSL certificate management.
• Red Hat certifications such as RHCSA or RHCE, or equivalent qualifications.

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