Role: Senior DevOps/Platform Engineer Location: Hereford(Hybrid) Clearance: Developed Vetting (DV) We're seeking a Senior DevOps/Platform Engineer to help drive the design, delivery, and maintenance of secure, robust systems. Ideal for those with experience in security-cleared environments, Linux engineering, and building reliable, secure platforms. What you'll do: Build and maintain Kubernetes stacks with secure-by-design compliance. Update and maintain platform software, libraries, and dependencies. Set up and manage Spark clusters, including migrations to new platforms. Manage user accounts and permissions across identity platforms. Maintain the Delta Lake and ensure platform-wide security standards. Collaborate with the wider team to advise on system design and delivery. What we're looking for: Strong Linux engineering experience. Proficient in Kubernetes, Docker, and scripting ( Python, Bash ). Experience managing air-gapped networks and cloud platforms. Familiarity with HPC environments. Knowledge of security, encryption, and compliance standards .