The most common and most likely answer to this crossword clue is the 9 letter word ADHOCRACY
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More clues leading to the result ADHOCRACY
Buddy explains!

The straight part
We know that "Firefighting management" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case firefighting management = adhocracy.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ADHOCRACY mean?
ADHOCRACY noun- (organizational theory) An organizational system designed to be flexible and responsive to the needs of the moment rather than excessively bureaucratic.