Salary: £65,000 - 75,000 per year Requirements: 5 years of Linux systems administration experience, ideally within HPC environments Strong commercial experience supporting Red Hat Enterprise Linux environments Experience with automation tools such as Ansible, Terraform, Puppet, or GitLab Containerisation experience including Docker and orchestration technologies Scripting experience with Bash, Python, or Perl Strong communication and stakeholder management skills Experience managing technical projects and working within ITSM environments Desirable: Kubernetes, OpenStack, or CI/CD tooling experience Desirable: cloud infrastructure and virtualisation exposure Desirable: knowledge of GPUs, RAID technologies, and HPC clustering Desirable: relevant Linux or ITIL certifications Responsibilities: Act as the senior escalation point for complex Linux and HPC issues Lead deployments of new infrastructure and compute platforms Deliver technical projects from planning through to implementation and handover Evaluate and pilot new technologies and platform improvements Optimise Linux environments for performance, scalability, and availability Support automation and configuration management initiatives Work closely with global teams on upgrades and infrastructure enhancements Maintain technical documentation, standards, and operational procedures Participate in the on-call support rota and continuous service improvement activities Mentor junior team members and communicate technical solutions to stakeholders Technologies: Ansible Bash CI/CD Cloud Docker GitLab Support ITIL ITSM Kubernetes Linux OpenStack Perl Puppet Python Terraform DevOps RHEL More: We are an ambitious, technology-driven company seeking a Senior HPC Engineer to join our high-performing global infrastructure and platform team. In this onsite role in Sussex, we support enterprise-scale HPC and Linux environments and offer the opportunity to work on complex infrastructure projects, emerging technologies, and next-generation compute platforms within a fast-paced technical environment. We also provide an annual bonus scheme, enhanced pension contribution, private medical and dental options, life assurance and income protection, plus a flexible benefits platform and wellbeing support. last updated 21 week of 2026