fire chief; fire marshal
The head of a fire station or fire department. In Japanese contexts, typically the chief of a local fire station (消防署).
The fire chief took command at the fire scene.
The new fire chief has assumed the post.
消防士 is a firefighter, while 消防署長 is the chief of the fire station.
消防署 is the fire station itself; 消防署長 is the person in charge of it.
Compound of 消防署 (fire station) + 長 (chief, head).