This guide describes how to apply for jobs using the Career Page web site. The process consists of the following steps:A cover letter serves as an introduction to your resume. There are two types. Use active verbs to describe your experience. In completing this form employees will be acknowledging in writing that their second job is subordinate to their employment with Nassau County. Need to provide proof of employment status? Use this sample employment verification letter to create your own. Click the button below to complete our Brief Application for Employment. Your information will be sent to a hiring manager!