Clearance: Active TS/SCI and Full Scope Polygraph Clearance Required (Expired within 18 Months is also acceptable) Description: Applies systems engineering principles throughout the systems life cycle 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 program personnel, government overseers, and senior executi