While that's all fun and excitement. If you want your company to succeed, you need to learn one thing. You will be successful only if those working in your department are successful. Take your shiny new organizational pyramid and turn it so your point of the pyramid is at the bottom of the page. You're the worker for this whole group, and the output of your department only gets made by that row of workers along the top.
Then of course you should also consider delayering so span of control goes from the 'typical' 3-7 out to ten to twenty. Yes, the middle managers will scream. You'll be closer to the workers and also start giving them more general direction instead of micro managing (because that way leads to madness as you thin the middle). Then you'll become a leader instead of a manager cog. Don't backfill jobs. Constantly see how to improve workflow (with everyone's input). Read up on Lean Manufacturing, it applies in offices too.