> my job isn’t that stressful.

If it wasn't that stressful, you wouldn't be posting this. Feeling unfulfilled is stressful. You are stressed and you are probably burning out (yes it's possible to burn out on boredom).

Change things. Start with easy low risk changes and work your way out from there. If you want to stay in the job you have now, you likely need to change your approach to how you try to make an impact, because what you're doing now obviously isn't working.

But there are likely teams in your company where you'd feel more fulfilled. If not, being promoted at one megacorp is basically catnip for recruiters at others.