The work and the mission may not be exciting, but there is huge room for growth and often the large companies have programs especially designed for career growth for new college grads.
But don’t get stuck. The job will comfortable. After a few years it’s time to move on. Maybe you’ve found a few folks to cofound with, or maybe you just have a good lead on a much bigger role. But the only way to really advance is to leave — most big companies have artificial limits on salary growth and promotions. You can always go back later.