Al-Hosni started his professional football career in 2003 and joined the Omani sports club Al-Khaburah SC.

Also in the 2006 Qatar Crown Prince Cup, he made 3 appearances and scored 1 goal helping the club win the runners-up place.

On 22 December 2013, Al-Hosni signed a six-month contract with Saudi Arabian club Al-Nassr FC.

[3] On 8 September 2014, Al-Hosni signed a one-year contract with 2014 GCC Champions League runners-up Saham SC.

[4][5][6][7][8][9][10][11] He made his Oman Professional League debut and scored his first goal on 13 September 2014 in a 3–0 win over Al-Oruba SC.

A brace each in a 3–1 over Iraq and in a 3–2 win over Bahrain hence helping his country to reach the semi-finals and then the finals of the Arabian Gulf Cup for the first time.

Ismail Matar, the Emirati legend, scored the lone goal of the match as United Arab Emirates won their first ever Arabian Gulf Cup.

Oman again could score only one goal and this time it was from the spot by youngster Hussain Al-Hadhri in a 2–1 loss against Qatar.

[23] In the tournament, Oman won four points in a 2–0 win over Thailand and a 2–2 draw against Iran and hence failed to qualify for the quarter-finals.

Badar Al-Maimani scored one and the only goal of Oman in the 2007 AFC Asian Cup in a 1–1 draw against Australia.

[38] Oman entered the last game of group play with a chance to qualify for at least the playoff-round, but a 1–0 loss to Jordan eliminated them from contention.