Use active verbs to describe your experience. State clearly in your opening sentence the purpose for your letter and a brief professional introduction.Below are key resources and tips that will help you organize and develop your resume and cover letters for your next search. Learn how to write a cover letter for a job with tips from career experts. Browse professional examples to impress hiring managers. Explains gaps in your resume. Include the complete company name and address even for online applications. Tailor letter for each position, company, etc. Do not simply restate what is on your resume.