noun
shift system; rotation system
A system where people take turns, such as work shifts or rotating duties.
この工場は交代制で24時間稼働している。
This factory operates 24 hours a day on a shift system.
看護師は交代制で夜勤を担当する。
Nurses take night shifts on a rotation system.
シフト制 is a more direct loanword for 'shift system', often used in part-time job contexts, while 交代制 is a native Japanese term used broadly for any rotation-based system.
Compound of 交代 (alternation) + 制 (system).