Agreed. Andrew Jackson is most underrated president IMO. I love when he was asked if he had any regrets, he said "That I didn’t shoot Henry Clay and I didn’t hang John C. Calhoun." Trump reminds me of him a bit.
Internships. I think that's how most outsiders get their foot in the door. But if you got skills and they need you go apply:
https://apply.whitehouse.gov/