Example: "Hello, I'm a former employer of ABC and I'm very interested in the job of production manager that you have advertised. Writing a cover letter for a previous employer requires highlighting your existing knowledge, valuable skills, and showcasing how you've grown since leaving.The Career Center's online Resume Builder allows you to create, store and share your cover letter within SCOTLink. To get started, go to careers.ucr.edu. We'll tell you why you might be asked to reapply for your current job and how you can succeed. Plus we've provided some sample cover letters to use. The document is a sample cover letter for returning to a previous employer. This letter is especially helpful if you're applying to a traditionally unrelated industry from your previous job. It does the following:. Learn more about the new career opportunity system.