So much of the quality and productivity of a programming group depends on how well the group is managed. Despite this, the production of effective managers is often shockingly haphazard.
They are not going to do something for you just because of your title. You really have to make your case...
"One of the practicalities of a less hierarchical company is that you aren't necessarily going to have the position power to decree something or dictate something..."
This is actually the case at most BigCo. If you think otherwise, then you've bought into the window dressing.