A very warm welcome o the QB Community. Congratulations on your new gig, I hope it will be an exciting adventure/learning experience.
Another user @Anonymous started a similar discussion the other day (you are welcome to join in: https://qbcommunity.com/t5/Questions-about-QuickBooks/New-to-QB/). Keep checking back - we're starting to see some awesome suggestions about best practices for getting started.
Has anything about accounting already piqued your interest?