Enrollment and graduation from a Nanodegree program does not guarantee employment with a Hiring Partner. Your ability to secure a new job will depend on factors within your control (education & desire to learn, drive, demonstrable skills, networking) and sometimes outside of your control (experience, location).
We can’t emphasize this enough: You are ultimately responsible for your own success. Even if Udacity is a partner in your career journey, your own proactivity is key to advancing your own career. To optimize your job search, learn from advice in the Career Resource Center and Udacity’s career courses.