A screener on an Employee Relations Specialist posting reads handled employee relations issues as a door plate, not evidence. Tailoring means stating caseload and matching the case types the posting names. That match, more than any other line on the page, decides whether this resume gets a second look.
The claim that ATS systems auto-reject 75 percent of resumes traces to a 2012 marketing claim, not research. (traced to a 2012 vendor marketing claim)
Start with the version a recruiter opens right now, then make these moves against it.
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