What does the language reveal about Montag's profession?

The language in the first part of the story clearly reveals Montag's profession, a firefighter (maker).

With the brass nozzle in his fists, with this great python spitting its venomous kerosene upon the world, the blood pounded in his head, and his hands were the hands of some amazing conductor playing all the symphonies of blazing and burning to bring down the tatters and charcoal ruins of history.

"..... he flicked the igniter and the house jumped up in a gorging fire that burned the evening sky red and yellow and black."