Job description VS Job specification

• Job Description: A documented description of the position and the work or duties to be performed.

  Job Specification: A documented description of the skills, qualifications and experience needed for the position.
• Job description is the nature, type of duties, and responsibilities associated with a specific position.

  Job specification is the personal qualities, skills and qualifications for a specific position.
• Key performance areas and duties for a certain position (job title, working conditions) are shown in job description.

  Qualifications required, work requests (work over holidays) willingness to travel, shown in job specification.