The Commonwealth's
job organization structure consists of seven Occupational Families.
The Occupational
Families are divided into Career
Groups. Career Groups are comprised of Roles.

An Occupational Family is a broad grouping of jobs that share similar vocational characteristics.
A Career Group is a sub-group of an Occupational Family. A Career Group identifies a specific occupational field common to the labor market.
A Role describes a broad group of occupationally related positions that represent different levels of work or career progression.
A work title is a specific title used by an agency to describe a specific position.