I'll guide you in fixing this, gaterbate.

Using the Diamond icon, you can drag the job back to its original parent. Take note that unrelated sub-jobs will also be included once you move the parent job. To get rid of them, you'll have to drag the unrelated jobs to the correct parent again or make them inactive as needed. Take a look at my screenshot below:

I've also included an article that will help track how much money you spend and make for each job: Track job costs in QuickBooks Desktop.

Keep me posted if you have any other concerns or additional questions. I've got you covered.