You will serve as a PERSONNEL SECURITY SPECIALIST of MARCORSYSCOM. Major duties: You will formulate and apply security policies and procedures, assess the suitability of individuals for sensitive positions, and determine security eligibility for entry, retention, and access to protected resources.,You will develop and implement personnel security policies, review requests for security clearances and special access, interview applicants, and ensure required investigations are requested and completed.,You will provide authoritative guidance to organization officials on personnel security requirements, mission impacts, employee rights, adverse security determinations, and procedures for resolving personnel security concerns.,You will administer programs for continuous security evaluation of personnel, develop guidance and procedures, represent the organization in personnel security matters, and support consistent security decisions.,You will arrange and conduct hearings or appeals, advise employees on security procedures and rights, and administer security awareness programs that promote understanding of personnel security requirements.,You will interview applicants about derogatory information, assess concerns developed during investigations, recommend appropriate actions, and help officials make fair and consistent personnel security decisions.