Developing reference models of the enterprise and maintaining the information in the IT repository; Determine the gaps between the current and the target architecture and developing plans for transitioning to target architecture; Defining the policies and principles to guide technology decisions for the enterprise architecture; Identifying opportunities to improve enterprise-level systems to support business processes and utilize emerging technologies; Promoting and educating customers and stakeholders on the use and value of the enterprise architecture; Providing enterprise architecture guidance, support, and coordination to customers and IT project teams; Documenting the enterprise architecture infrastructure, including the business units and key processes, using modeling techniques; Ensuring technical integration is achieved across the enterprise by participating in test planning, validation, and reviews; Evaluating the impact of enterprise architecture products and services on IT investments, business operations, stakeholder satisfaction, and other outcomes; Coordinating and conducting governance and portfolio management activities associated with ensuring compliance with the enterprise architecture; Ensuring the rigorous application of information security/information assurance policies, principles, and practices to all components of the enterprise architecture. Developing policies and procedures to ensure information systems reliability and accessibility and to prevent and defend against unauthorized access to systems, networks, and data; Conducting risk and vulnerability assessments of planned and installed information systems to identify vulnerabilities, risks, and protection needs; Promoting awareness of security issues among management and ensuring sound security principles are reflected in organizations visions and goals; Conducting systems security evaluations, audits, and reviews; Developing systems security contingency plans and disaster recovery procedures; Developing and implementing programs to ensure that systems, network, and data users are aware of, understand, and adhere to systems security policies and procedures; Participating in network and systems design to ensure implementation of appropriate systems security policies; Facilitating the gathering.