noun
overseas job transfer; international job relocation
Refers to being transferred by one's company to a position abroad, typically for a fixed term.
彼は来月、海外転勤でニューヨークに行くことになった。
He will be going to New York next month on an overseas job transfer.
海外転勤を命じられたら、家族も一緒に行きますか？
If you are ordered to relocate abroad for work, will your family go with you?
Compound of 海外 (overseas) and 転勤 (job transfer).