Further responsibilities include: assigning and overseeing the installation and maintenance of end-user devices, including desktops, laptops, printers, peripherals, and mobile devices, ensuring proper functionality and security; maintaining an up-to-date database of IT equipment; Oversee troubleshooting efforts conducted by the team, ensuring the effective consultation with users via phone, email, or self-service tickets. NCIS not only has primary responsibility for all criminal investigative, CI, CT, and cyber matters within the DON, but it also has exclusive investigative jurisdiction in non-combat matters involving actual, potential, or suspected criminal, terrorism, sabotage, espionage, and subversive activities.