Responsible for the technical integrity, quality, and completeness of work performed and deliverables associated with one or more of the 25 process areas defined by ISO/IEC15288, to include: Technical Process Area, Enterprise Process Area, and Agreement Process Area; contributes to the development of sections of systems engineering documentation, such as System Engineering Plans, initial capability documents, requirements specifications, and interface control documents; supervises and mentors subordinate project and Team ManTech staff; provide subject matter expertise support for the cloud application and system. Apply system’s engineering principles throughout the system’s lifecycle phases: concept, development, production, utilization, support, and retirement; interacts with the Government regarding systems engineering technical considerations and for associated problems, issues, or conflicts; communicates with other TDP project personnel, Government stakeholders, and senior executives.