USA Government Jobs - Naval Air Station Whidbey Island - Responsibilities: Provide security guidance by initiating and implementing policies and procedures to manage sensitive compartmented information (SCI) programs; Applying personnel security principles and regulations to process SCI eligibility requests, including conducting nomination interviews and initiating security investigations; Assisting in the management of a personnel security program by conducting security briefings, debriefings, and trainings for assigned personnel; Using federal adjudication systems, such as the Defense Information System for Security (DISS) or its predecessors, to verify clearances, manage access rosters, and document security actions; Assisting in the continuous evaluation of cleared personnel by managing the periodic reinvestigation program and reviewing reported derogatory information to determine its potential impact on security eligibility