By signing in or creating an account, some fields will auto-populate with your information. Middlesex County Employment Application.Build your career and your community – apply for a position with Middlesex County today. Click here to find new career opportunities. We are dedicated to helping the people who utilize our services. After the interview process,. Starting with the most recent, describe ALL paid, military, and applicable voluntary experience. Position(s) applying for. Invitation encouraging partnerships with the application form easy to print off and fill out.