In the Life Cycle series of videos, Rav Cherki discusses the circumcision of a Noahide child.
Noahide Life Cycle Series – Number 2, Circumcision
Should a Noahide couple circumcise a newborn baby? Rav Cherki explains that usually they can do so if their objective is to perform a mitzva, and that the circumcision should be performed by a mohel. However, there might be problematic circumstances, such as a case when the child’s status will be unclear.