Job specification is a list of a job’s “human requirements” that is, the requisite education, skills, personality, and so on- another, product of a job analysis.
Job specification is a document document that describes the characteristics and qualifications needed in someone who could successfully perform a given job. A job specification helps managers determine an applicant's fitness for a certain position by defining qualifications for education, training, experience, and behavioral qualities the person must have to perform the job. A firm is much more likely to recruit and eventually select better employees if it has clear job specifications.