Cryptologic Technicians (Administrative) (CTA) perform technology-based administrative functions using software applications within a global information environment; perform personnel security duties for the Naval Security Group and Intelligence communities both ashore and afloat; perform manpower management functions; maintain accountability of highly Sensitive Compartmented Information (SCI); operate Information Systems (IS) equipment and current software applications; perform Joint duty as a Department of Defense (DOD) courier within the Defense Courier Service; perform in a Full Time Support (FTS) capacity for the Naval Security Group Cryptologic Reserve Program.