Opportunity available within a leading Defence Sector SME for a Senior/Lead Platform Engineer with SC or DV Clearance in Herefordshire. Herefordshire location - 4/5 days on site Up to £105k DoE Active SC or MoD DV required Expertise required in Linux, Kubernetes, Docker, Python As a Senior/Lead Platform Engineer, you'll support our client's data team in developing secure Linux-based platforms. We're seeking someone with experience in security-cleared environments and advising on the design and delivery of wider systems. Our client is in an exciting period of growth, and they're seeking a Lead Engineer to build a team around. Responsibilities: Develop a Kubernetes stack with secure-by-design tools Update security, software, dependencies and libraries Set up and migrate Spark clusters across platforms Manage user accounts and IdP permissions Maintain the Delta Lake Ensure secure-by-design assurance throughout the platform Experience Required: Strong Linux engineering background Expertise in Kubernetes and Docker Proficient in scripting (Python, Bash) Experience with air-gapped networks and cloud platforms Familiar with HPC environments Knowledge of security, encryption and compliance standards