Parulian Sirait
IT and Music Player
IT and Music Player
Network Administrator di Universitas HKBP Nommensen Medan
Keyboard Player di Gereja HKBP Wahidin Baru Medan
Manajemen Internet Wired and WiFi.
Latihan untuk Pelayanan Ibadah.
Survey Lokasi Project.
Manage Access Point.
Manager Data Center.