Senior Platform Engineer - Defence / National SecurityActive DV clearance requiredSR2 is supporting a leading digital technology consultancy as it looks to appoint a number of Senior Platform Engineers into its growing Defence and National Security practice.This is a hands-on, end-to-end cloud engineering role supporting a secure cloud platform programme, focused on helping a major public sector organisation move from on-premise environments into AWS cloud. You will help design, build, automate, secure and support modern cloud platforms used on nationally important services.This opportunity is particularly well suited to a senior engineer with strong, recent AWS platform experience, a good understanding of CI/CD and automation, and the ability to contribute to platform design decisions while mentoring junior engineers. You will work closely with architects, security specialists and wider engineering teams to deliver scalable, secure and reliable cloud services in a complex secure environment.Key ResponsibilitiesDesign, build and support secure AWS cloud platform components for Defence and National Security programmesWork closely with architects on cloud platform deployment, design and technical decision-makingBuild, maintain and improve CI/CD pipelines for reliable software and infrastructure deliveryAutomate infrastructure and platform services using tools such as Terraform, Ansible or equivalentWork with AWS services such as Lambda, S3 and wider cloud-native ..... full job details .....