Senior HPC Engineer - Sussex, Onsite

Senior HPC Engineer - Sussex, Onsite £65,000-£75,000 Our ambitious and technology-driven client is seeking a Senior HPC Engineer to join a high-performing global infrastructure and platform team supporting enterprise-scale HPC and Linux environments. This is an excellent opportunity for an experienced Linux/HPC Engineer looking to work on complex infrastructure projects, emerging technologies, and next-generation compute platforms within a fast-paced technical environment. Key Responsibilities * Act as 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 on-call support rota and continuous service improvement activities * Mentor junior team members and communicate technical solutions to stakeholders Required Skills & Experience * 5+ years Linux Systems Administration experience, ideally within HPC environments * Strong commercial experience supporting Red Hat Enterprise Linux (RHEL) 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 Skills * Kubernetes, OpenStack or CI/CD tooling experience * Cloud infrastructure and virtualisation exposure * Knowledge of GPUs, RAID technologies, and HPC clustering * Relevant Linux or ITIL certifications Package * Annual bonus scheme * Enhanced pension contribution * Private medical and dental options * Life assurance and income protection * Flexible benefits platform and wellbeing support