Piloyan is a FC Urartu academy product who started his career as part of the backup team of Urartu, in the first league of Armenia,[1][2] combining this with rare appearances in the first team.
In July 2021, it was announced that Piloyan went on a one-year loan to BKMA, the newcomer club of the Armenian Premier League for the 2021-2022 season,[3] but already in January 2022, it was announced that he would return to his native club.
[4] After returning from BKMA, he continued to play for both the main and reserve teams of Urartu.
[7][8] On March 17, 2023, he received his first call-up to the Armenian senior national team for a UEFA Euro 2024 qualifying match against Turkey and a friendly match against Cyprus, respectively.
[9][10][11][12] Piloyan debuted for the senior Armenia national football team in a friendly 2–2 draw with Cyprus on 28 March 2023, he played the full game.