An employment letter is a crucial document you need to secure a home loan. Read about how to write a winning employment letter for mortgage.1. Download the employment letter template. If you work remote, it's important to know what you'll need when applying for a mortgage, and where you can apply for one. Mortgage lenders may request a letter to verify your employment. Here's a simple template you can give to your employer to speed things up. Looking for an employment verification letter? A verification of employment is a request from another business, entity, loan officer or others for information on present or former employees. You can ask your employer to use this sample letter as a template. Having the proper loan documentation is critical for accurate initial approval.