The advisor, Gal Dubosh, who worked last year as part of Netanyahu's close team, demanded explanations for her dismissal.
Although the wife of the Prime Minister does not have any formal position in government, Sara is known to have a significant influence on the Prime Minister's choices.
Netanyahu wrote, "Ramadan, a time for compassion and generosity, reminds us of the strength we hold when we come together to uphold the values of peace and humanity."
Prime Minister Benjamin Netanyahu and wife Sara visit United Hatzalah headquarters, laud organization for life-saving work
Levy has become something of the international face for the Israeli government in media outlets across the world.
Netanyahu sent a letter to the Pope on Sunday after appealing to 33 female leaders worldwide, including First Lady Jill Biden, in previous weeks.
PM's wife claims in a letter to Jill Biden and global leaders that a woman among Gaza abductees gave birth in captivity; IDF denies, citing certified but undisclosed information.
Netanyahu also wrote about the 32 children being held hostage by the terrorist group.
The Netanyahus had reportedly brought in their state-paid personal chef to Falic's Talpiot estate, a breach of regulations that do not allow for a state employee to work in a private home.