In the ideal situation, the interviewer and the interviewee are equally interested in finding a perfect fit. Look out for yourself. Ask hard questions about work conditions, drawbacks, and low points. If asked tactfully and backed up with research, well-directed questions of this sort won't offend a responsible interviewer. After all, a happy employee is going to be more productive than someone who hates his job.  But if you choose unwisely the first time, don't worry -- jobs are no…