My Career Online is now Beacon Careers Online!
Login to Beacon Careers Online (https://candidate.gradleaders.com/UMassBoston/Candidates/Login.aspx?pid=2368)
with same information you used for My Career Online, and you should find all of your documents in the new site.
Please let us know if you have questions. Email Careers@umb.edu or Phone: (617) 287-5519.