**Description**

Leidos is seeking a Security Architect to develop robust security frameworks for a groundbreaking integrated air and missile defence command and control (C2) program for NATO partners and allied operations. You will bring your expertise in data-centric security to design, evolve, and validate a fit-for-purpose security architecture for a cloud-based solution supporting NATO missions. The role requires a thorough understanding of modern data-centric security, Zero Trust Architecture (ZTA), Identity and Access Management (IAM), and cloud security, fully aligned with the NATO Data Strategy for the Alliance (DaSA) and NATO Data-Centric Reference Architecture (DCRA).

To help define and evolve security concepts and architecture underpinning a federated, multi-domain cloud environment, you will leverage security patterns supporting data classification, tagging, lineage, encryption, access controls (RBAC/ABAC/CBAC), access decision logic, and policy-based enfo...