Cover letters are a great way for you to supply additional information that is not available on your resume. Effective cover letters explain why you are interested in the position and provides relevant and concrete examples of how your experience makes you an attractive candidate. Be succinct. Your cover letter shouldn’t be more than one page. To include your cover letter, you will need to either paste it in the text resume field or combine it in the same document with your resume as our system only allows one uploaded file.