By signing in or creating an account, some fields will auto-populate with your information. Middlesex County Employment Application.Click on "Complete Task" to fill out the Offer Letter. Verify Middlesex employees. Verification process is automated, secure and cost-effective. In this article, we share steps and tips to teach you how to request an employment verification letter from your employer, including a template and an example. You can also sign up for an information session to get answers about the application process, our programs, or how to pay for college. The Tax Collector is responsible for the billing, collection and recording of all taxes and utilities levied upon the properties in the Borough.