IT != software engineering. IT is always one of the cost centers of a company. Every software company (Facebook, Google, Microsoft, etc.) has an IT department.

IT != software engineering. IT is always one of the cost centers of a company. Every software company (Facebook, Google, Microsoft, etc.) has an IT department. IT is like doing desktop support or networking. Need a new laptop? Can't login? Call IT. The software engineers who write software are not part of IT. Not sure if that's what you meant though.