Starting his career at Ahli Saida in 2011, Siblini moved to Nejmeh in 2014 before being sent on a season-long loan to Tadamon Sour in 2017.

[3] The following season, in 2015–16, Siblini scored four league goals in 17 games, and helped his side win the Lebanese FA Cup.

[7] Siblini scored 10 goals in the 2021–22 Lebanese Premier League, and finished top scorer of the season, joint with Fadel Antar.

[10] A youth international for Lebanon at under-19 and under-23 levels,[4] Siblini made his senior debut on 14 October 2014 in a 1–1 friendly draw against Saudi Arabia.

[3] On 15 February 2021, Siblini and his Nejmeh teammate Mohamad Salem were involved in a car crash on their way to training; they only suffered a few bruises.