[8] On April 30, 2021, Jackson signed a homegrown player contract with Major League Soccer club Minnesota United FC, who acquired his rights from New York Red Bulls in exchange for a third-round pick in the 2022 MLS SuperDraft.
[10] On March 23, 2022, it was announced Jackson would spend the season with Minnesota United FC 2, the club's MLS Next Pro side.
[11] On November 7, 2022, Jackson was traded to St. Louis City SC in exchange for $150,000 of General Allocation Money ahead of the club's inaugural MLS season.
St. Louis could also receive another $250,000 in conditional General Allocation Money and maintain a sell-on percentage if Jackson is sold outside of MLS.
[13] Jackson made his debut for the senior United States national team on January 20, 2024, in a friendly against Slovenia.