Position(s) applying for. Build your career and your community – apply for a position with Middlesex County today.Click here to find new career opportunities. Many standard forms are available below. All forms are categorized into their respective departments. Apply to Delivery Driver, Dental Hygienist, Customer Service Representative and more! Current Employment Opportunities. All open job listings are listed below. Positions Available. If you are interested in submitting your resume to us, please complete our online Employment Application form.