Administrator

An administrator is the name given to a person managing a SCOM platform deployed in an organization.

General meaning
A SCOM administrator or engineer describes a person who is involved with the design, deployment, maintenance and administration of a SCOM platform in an organization.

Depending of the organization practices and the size of the platform, an administrator may also work on other responsibilities. Such as performing the actual monitoring by resolving alerts like an operator or developing new Management Pack like an author.

User Role
In a Management Group, Administrator is the name of a formal User Role found in the Operations Console under the Administration pane. Being the highest rank in the security model, it grants permissions to its member to every area of the Operations Console (Monitoring, Authoring, Reporting and Administration).