• Lead the design and evaluation of enterprise security architectures, ensuring all systems align with Zero Trust Architecture (ZTA) principles and organizational cybersecurity guidelines • Serve as the primary technical liaison between enterprise architects and systems security engineers to ensure security controls are correctly allocated and implemented • Convert complex operational needs and stakeholder security interests into detailed technical requirements and functional specifications • Provide critical input to the Risk Management Framework (RMF) process, including the development of system life-cycle support plans and operational procedures • Manage security requirements throughout the acquisition life cycle, from drafting statements of work to evaluating vendor-proposed security designs for adequacy • Perform regular security reviews and design modeling to identify architecture gaps, developing comprehensive risk management plans to address vulnerabilities • Categorize systems and define clear security boundaries, documenting the protection needs for information systems and networks • Advise senior leadership and authorized officials on design concepts, project costs and the potential adverse effects of identified vulnerabilities