The Digital Architecture & Modeling Engineer will develop and maintain the Digital NAS Architecture (DNA)-an authoritative, model-based representation of the NAS that connects mission needs, operational concepts, requirements, capabilities, systems, services, interfaces, infrastructure, verification evidence, and ultimately operational performance. Develop enterprise and system-of-systems architectures spanning the heterogeneous NAS environment, including air traffic control operational technology (OT), enterprise IT, telecommunications, networks, edge computing, data platforms, cybersecurity, automation, and hybrid/cloud infrastructure.