The 38-year-old, who completed his UEFA A coaching license in March, has been working with the Gunners' youth sides but will now be given an official role.
Thierry Henry will become assistant manager of Arsenal under-18s next season, a source tells Goal UK.
The Gunners’ all-time record goal-scorer completed his UEFA A coaching license under the guidance of the Welsh FA in March, while also working alongside the Arsenal youth teams.
Henry is now able to manage at a team below Premier League level or youth academy and is expected to become Kwame Ampadu’s No.