By signing in or creating an account, some fields will auto-populate with your information. Middlesex County Employment Application.This application must be completed in order for you to be considered an applicant for employment. Please type or print all information. I have completed my application but am unable to complete the 'Signature Request' to my Supervisor. Our mission at Fill is simple: To be the easiest way to complete and sign PDF forms, for everyone. NOTE: Some links here lead to "fill-able" PDF forms.