Job design is the process of determination of various elements to form a job and all the work requirements which are necessary to accomplish a specific job or task. For example, if a company offers a new position then determination of all of the responsibilities which the specific job needs is known as job design. Job design includes the set of tasks like what tasks are to be done, how tasks are done, how many tasks are done and in what sequence etc. Another example of job design is the determination of responsibilities by the company for the new project manager. Job design is very important for hiring and selection activities.
In movies actors are to be given roles according to their personality, likewise the same applies to the corporate world.