It depends.Commonly a successful job is one that I am interested in and that is worth doing.Through this job,I can improve myself and the job itself will be able to fulfill my ambition.
作为回答者 建议以第一人称 可翻译为：这个看情况,但是通常一份成功的工作应该是我所感兴趣以及值得做的.通过这份工作,我可以提升自己的能力,并且工作本身可以实现我的抱负.