Harith start beginning of his career football with been spotted by the NFDP officials while he was playing for his school's under-12 before joining the Mokhtar Dahari Academy (AMD). He was a striker at the beginning of his football journey, but his talent in handling the defense line as a central defender started with the AMD team and shines in that position up until now.[2]
Club career
Selangor
Harith became one of the AMD players who signed his first professional contract with Selangor after graduating from high school. He then managed to be listed with the Selangor II team after displaying an impressive performance during the three cornered match against the other young Selangor players handled by German coach, Michael Feichtenbeiner at the end of 2019.[2]
On 31 July 2021, Harith made his debut for the first team in the 2021 Malaysia Super League matches against Penang; which he came on as substitute.[3]
On 25 November 2021, Selangor confirmed that Harith would be definitely promoted to Selangor's first team for 2022 season.
During the 2024–25 AFC Champions League Two fixture against Korean giants Jeonbuk Hyundai Motors on 23 October 2024, Harith was chosen as the captain during the match as both club captains, Safuwan Baharuddin and Noor Al-Rawabdeh was out due to injury. Harith went on to scored the opening goal in the match and guided the team to a historic 2–1 win against the Korean club.