Jalali parted company with Paykan by mutual consent in early December.
He was replaced by Hossein Faraki in the Tehran-based football team.
Nassaji started the IPL season with Javad Nekounam but parted ways with Ex-Iran captain at the end of IPL first half.
They reached an agreement with Firouz Karimi a few days ago but changed their minds and appointed Jalali as their new head coach.
Nassaji sits 10th in Iran Professional League table, 15 points behind leader Sepahan.
The Ghaemshahr-based football team will face Zob Ahan in Isfahan on February 3 at the beginning of the IPL second half.