Once the requirements of a job have become clear, the responsibilities and tasks of the position should be detailed in a job description. The skills and experience and type of person needed for the position should then be set out in a job specification.
When writing a job description, do not underplay difficult aspects.
Writing an accurate job description helps to ensure that the right information is given when the job is advertised, ultimately leading to a satisfactory appointment and preventing misunderstandings.
Include the title of a job and its reporting line in a description. When describing major responsibilities, set out in detail what the job-holder is expected to achieve. ...