Having officiated in League Two, League One and the Championship across the 2019/20 campaign, the Australian took charge of the Championship playoff semifinal second leg between Brentford and Bournemouth.
Gillet awarded a penalty and sent off a Bournemouth defender in a thrilling 3-1 victory for Brentford — the West London side defeating Swansea in the final to end its 74-year absence from the top tier of English football.
The Australian official has Premier League experience this season as a Video Assistant Referee (VAR).
Watford will be seeking to build on its victory against Norwich last weekend, while Newcastle continues its search for its first win this season.
Gillett becomes the second of three referees to make history this month, following Luis Godhino’s appearance in France’s Ligue 1 last week.
In taking charge of Bordeaux’s 3-2 defeat at home to Lens, Godhino became the first Portuguese referee to officiate a Ligue 1 match.