>>11412208Because there are more qualified candidates than job slots. Especially when you consider the higher paying jobs. So protocols are created to filter out as many as possible before interviews while during interviews compentacy tests are done with tools typical for the job. Then after that any extra qualifications that help assure the candidates work ethic is used.
College degrees are a filter.
U.S. veteran status is a filter.
Background checks are a filter.
Security Clearances is a filter.
Technical Certifications are a filter.
And obviously previous relevant job experience is a filter too. Everything is done to reduce the head count.
