Margaryan was a teacher at the Tumo Center for Creative Technologies and aimed to become Minister of Education.

[2][3] He was admitted to Boston University, but before continuing his studies there, he decided "to pay the debt to the homeland".

[3] On 30 September 2020, during the Second Nagorno-Karabakh War, the soldiers of the Artsakh Defense Army were informed that the servicemen in the positions must be provided with weapons and food.

The message left to us by Alen and his martyred friends is to do the maximum to strengthen our Homeland.. And his heroic deeds on the battlefield and his conscious decision to keep his homeland at the cost of his life can only be considered an exceptional manifestation of patriotism.— President of the Republic of Artsakh, Arayik HarutyunyanThe auditorium 215 of the Faculty of Culture (ASPY) was named after Alen Margaryan.

[7] Dean of the Faculty of Culture Gevorg Tadevosyan hoped that naming the auditorium after Alen Margaryan "would serve as a message of patriotism for his friends and the following generations".