Understanding Competency Mapping and Job Specification
Competency Mapping refers to creating a combination of technical, behavioral, and psychological skills required for a position. Usually, these are almost always identical at a particular band or grade except for the technical details.
Job Specification Details
A Job Specification, on the other hand, is the brass tacks for a job. Usually, it will include core deliverables, expectations from the incumbent, working conditions, roles & responsibilities, immediate hierarchy, etc.
Remember, the core difference between the two is this: Competency Mapping = Position and Job Specification = Each individual Job.