Summarize your qualifications instead of listing them all. Tell them why you are interested in the job.Here's how to write a job application email. First, write a clear subject line. Your email can make or break your job application. Here we explain the process for writing an effective email for a job application. Com and click the Career Seekers tab at the top of the page. It's recommended to wait one to two weeks to follow up after sending your application. Dear Ms. Doe: I am writing to apply for the systems analyst position available in your Dallas office. Learn how to write an effective email subject line for your job application with our simple howto guidelines, tips, and examples.