No - the actor in this scenario, the one with power - is not the male or female engineer, but rather the employer or conference coordinator. They may very well be male, but they are giving the female engineer, who as a class have less power then the class of male engineers a leg up in getting an opportunity to speak.
The male engineers experiencing what you call reverse discrimination are still in a position of power as a class.
The male engineers experiencing what you call reverse discrimination are still in a position of power as a class.