This job posting is for a Junior System Admin role at Ocean Join-Stock Bank. The responsibilities include supporting end-users remotely or via phone, maintaining connectivity between bank branches in southern Vietnam using OSPF routing, managing the LAN, WiFi and camera systems at the Saigon branch, prioritizing bank transaction traffic, monitoring network performance using Netflow software, managing DNS, DHCP and GPO for users in southern Vietnam, and experience with video conferencing solutions and information security policies.