By signing in or creating an account, some fields will auto-populate with your information. Middlesex County Employment Application.If you're ready to make a difference, browse our openings or upload your resume and tell us your interests. We'll consider you for future opportunities. Using your resume as a guide when filling out applications is helpful because it contains all of the above information needed for most applications. In applying for any open position, please follow the directions given at the bottom of the job description (cover letter, resume, etc.). Employment And Work Experience (Most recent first). Below you will find the details for the position including any supplementary documentation and questions you should review before applying for the opening. This lesson will discuss what a resume is and why you need one. Mailed, emailed, or faxed cover letter, resume, and applications will not be reviewed nor considered!