Would it be considered irrational to want kill yourself because you can't find a job. please help?

Whether it is : Rational or not, the fact that you are having this thought is what is important. When you are overwhelmed by life, taking your life may seem like a viable solution. However, it would devastate the people who care about you. It would deprive you of the potential of living a better life once your problems correct. If you aren't in treatment - please see a psychiatrist or a psychologist very soon.