Clearing the Project System (PS) Certification will not automatically lead you to a job. However a Certification with some project experience will certainly open a lot of doors for you. The consultants who will benefit the most from a certification are the ones with typically less than 3 year's project experience. This is not to say that consultants with higher experience will not benefit, but at that level, having a certification matters much less. So if you have little or no SAP- PS experience, you should get yourself certified, get some project experience, and then the whole of the SAP...