Employment can be challenging. Many ADHDers change jobs every 9 to 18 months. This can be because the novelty and challenge has worn off.
Turning towards challenge can provide the necessary engagement for an ADHD brain. Every job change I made was a promotion or a raise but it did take it’s toll on having to learn a new job every time.
One thing that may help you regardless of your diagnosis is this career book
. I have found it useful in figuring out my careers. It will probably be in your local library. Do the exercises and it will help you decide what career path you take.