On 31 May 2018, Zinedine Belaïd signed his first professional contract with NA Hussein Dey and played his first match at the professional level on 20 January 2019 in the CAF Confederation Cup against Al-Ahly Benghazi of Libya. In his first season, Belaid only played three matches. In his second season Belaid became a key piece in the team and on 30 October 2019, Belaid scored the first goal in his football career against JS Saoura which led him to a 1–0 victory. On 11 October 2020, Belaïd signed a four-year contract with USM Alger.[4] Belaïd became a key player in the team and got the captain's armband, Belaïd is in the sights of Al-Arabi SC winners of this season's Emir of Qatar Cup, The coach Younes Ali would already be delighted to see the native of the city of Isser in his ranks. Indeed, the coach would have watched the first leg of the CAF Confederation Cup final between USMA and Young Africans, He would then have given the green light to the management of the Qatari club to try this summer.[5]
On 3 June 2023, Belaïd won the first title in his football career by winning the 2022–23 CAF Confederation Cup after defeating Young Africans of Tanzania.[6][7] On 17 August 2023, Belaïd has finally extended her contract for two years. Many clubs contacted USM Alger captain during this transfer period, as the Belgian club Sint-Truiden made an official offer for the player, but the latter rejected it in the end.[8] On 15 September 2023, Belaïd led USM Alger to win the CAF Super Cup against Al Ahly by scoring the only goal in the match, winning the second title in three months.[9][10] Despite renewing his contract with USMA, Belaïd still has ambitions to professionalize in Europe. On 23 June 2024, Zineddine Belaïd met with the Chairman of the Board of Directors of USM Alger Athmane Sehbane, where he agreed that he would officially leave. The team’s management finally agreed not to put obstacles in the way of the player’s ambition and in a way that preserves the rights of the club. The agreement was finally concluded to fulfill the desire of Belaïd to join the Belgian club Sint-Truiden and signed his exit paper.[11]
