Refers to a cooking area, often in a camp, barracks, ship, or institutional setting. Not the typical word for a home kitchen (台所 or キッチン).
We made curry in the camp kitchen.
The ship's galley is small but well equipped.
community kitchen; shared cooking facility
Compound of 炊事 (cooking) and 場 (place). The reading すいじば follows standard on'yomi for the kanji.