There's quite a bit of variety on "the business side", FWIW. Getting an MBA does not necessarily get one increased access to it, depending on what you want to do and where you want to do it.

Dave McClure had a really good discussion once on starting a startup as the new MBA: far more interesting to hear you talk about how you sold $200k of sales than hear about how you read about someone doing the same. This also gives you a lot of opportunities to directly apply engineering skills in the service of your business goals. Those opportunities exist (in quantity!) in real life, but may not in any given MBA program.