There are three very different approaches you can take to configuration management. Each of them has benefits and disadvantages, and you need to blend aspects of all three to get the best value in your context.
I often hear people who work in IT operations complain that DevOps is just about development. If we want DevOps to work for everyone then we shouldn’t wait to be invited to join in and complain when we aren’t. We should actively adopt ideas from DevOps into how we run IT operations and seek out our development colleagues to foster collaboration.