micromanager
noun [ C ]
often disapproving uk/ˈmaɪkrəʊˌmænɪdʒər/ us MANAGEMENT, HR, WORKPLACE
a manager who wants to control every part of a situation, project, etc. in a way that may not be necessary or may not give enough responsibility to other employees:
It is difficult to deal with the micromanager who supervises an employee's work in great detail and then subjects it to unnecessary criticism.