Even after signing for a professional league club, Sumon is obligated to represent the Bangladesh Air Force in the Independence Cup.

[2][3] Sumon joined Uttar Baridhara Club in 2015 ahead of second phase of 2015–16 Bangladesh Premier League.

Jahangir Alam, a Uttar Baridhara club official, scouted Sumon from inter-services tournament while he was playing for Air Force football team.

He also got captaincy of the team and helped them return to the Premier League scoring 8 goals, which includes a hat-trick.

[9][10][11] In September 2022, Sumon decided to quit his job in the Bangladesh Air Force, after not receiving clearance to join the national team for a friendly match against Cambodia.