Millwall's head of youth recruitment Barry Dunn has been banned from all football activity for eight weeks for interacting with an Islamophobic post on social media.
He has also received a reprimand, been fined £525 and ordered to attend a face-to-face education programme.
Dunn admitted an "aggravated breach" of Football Association rules.
His sanctions were imposed by an independent regulatory commission following a personal hearing.
In June the 71-year-old was charged with interacting with a Twitter post that was "insulting and/or indecent and/or improper", and included a reference to religion or belief.
Dunn explained he had re-tweeted offensive material under a mistaken apprehension as to its meaning and content, and said he "felt sick and could cry" after making such a serious mistake.
He was suspended on full pay from his duties at the Championship club on 15 May.