Your letter should demonstrate a thorough understanding of the position and the needs of the employer. Step 3: Analyze the Job Description.Within one to two paragraphs, share your qualifications and why you're writing. Whenever possible, send your resume directly to the hiring manager. You must fill out your application(s) to completion. Type a job title in the search box. Not sure what to include in a cover letter? Read our guide and learn exactly what should be in a cover letter to impress the recruiters. The first thing a potential employer sees in your job application is the cover letter.