Monajati started his professional football career with Pas Tehran in his homeland in Tehran. He played his whole football career with Pas Tehran playing with the team for 15 years. In five of his career with Pas he played was a Team meli player.[1]
Monajati was appointed as Team meli Head Coach in 1989, the job last only months after he just managed 3 matches, his side beat Thailand 3-0 but losing to China 0-2 in Shenyang but they later beat them 3-2 in Tehran. He left the Iranian national team after he failed to qualify Iran for the 1990 FIFA World Cup.