Get your own consigliere. Hire a consultant to advise/mentor you individually.
You might find one on Hourly Nerd > https://hourlynerd.com/your-matches/information-technology-a...
You might find one on Hourly Nerd > https://hourlynerd.com/your-matches/information-technology-a...
I have read John Cook's blog for some time and think he might be a good fit as a consultant for bringing you up to speed and reviewing your current teams' work.
http://www.johndcook.com/blog/
I suspect it would be worth your time to get a consultant like him to come in for a week, review all the work going on in your org, and maybe lay out a learning plan or crash course in developing a safety net for you.