You're trapping yourself into a 30-40 year career that you clearly can't make yourself care before you've even started. What exactly do you think is going to happen to you 10-20 years into your career? Growth and advancement are continually expected for an engineer over the course of their career. And the engineering professions aren't large communities; get a reputation as "that mediocre guy that doesn't care about his profession" and it's game over.

And the worst part is that you're doing this to yourself. You won't have anyone else to blame for it.