One who is responsible for software installation, management, information and maintenance of a computer or network
One who administers affairs; one who directs, manages, executes, or dispenses, whether in civil, judicial, political, or ecclesiastical affairs; a manager
A person who manages or settles the estate of an intestate, or of a testator when there is no competent executor; one to whom the right of administration has been committed by competent authority
A person who processes and organizes information.
The keeper, manager of a library.
One who cares for the publications, files etc. in a library, whether staff or volunteer.