We have hired someone to be the new boss of my department (the old boss left). I was one of the interviewers for the new boss, and along with other technical peers did some of the boss' tasks while we were without a boss. But my (and my peers) jobs are very tactical. We organize the herd of cats that are software engineers, and our boss is meant to be the more strategic sort of figure that helps our department work with others.
I am in an awkward spot because my boss' boss(es) have very little insight into the day to day operations. I'm wondering if there are any well known best practices for someone in my position to help onboard my new boss - how to set them up for success in the new role?