For the HR manager:
Are the employees encouraged and given the opportunity to express their ideas and concerns?
What do employees seem to like best and least about the company?
What is the rate of employee turnover?
How large is the department where the opening exists?
Why is the position open?
Does the job require much travel?
What are the chances of being relocated after starting the job?
What type of orientation or training do new employees receive?
How often are the performance reviews given?
Who determines raises and promotions and how?
What are the long range possibilities for employees in similar positions who consistently perform above expectations?
What employee benefits does the company offer?
For your prospective supervisor:
What would be my primary responsibilities?
What should I be expected to accomplish in the first six months on the job? In the first year?
What are some of the departments ongoing and anticipated special projects?
How much contact and exposure does the department and staff have with management?
For a prospective co-worker:
What do you like best/least about working for this department/company?
Can you describe a typical work day in the department?
Do you feel free to express your ideas and concerns here?
What are the possibilities of professional growth and promotion?
How much interaction do you have with superiors, colleagues, and customers?
How long have you been with the company? Does your future seem secure?