What is a collective noun for group of engineers?

There isn't one universally accepted collective noun for a group of engineers. However, here are a few options you could use depending on the context:

Formal:

* A team of engineers

* A corps of engineers

* A faculty of engineers

Informal:

* A crew of engineers

* A band of engineers

* A gaggle of engineers (playful)

You could also use a collective noun that reflects the specific type of engineering they specialize in:

* A brigade of software engineers

* A cohort of civil engineers

* A squadron of aeronautical engineers

Ultimately, the best collective noun to use will depend on the specific situation and the desired tone.