Items you must bring with your application. Learn how to write effective resumes and cover letters, view sample resumes and cover letters, and get tips for completing job applications.To apply for job opportunities at NYCHA, please use the following link: External applicants: NYC Careers. Apply to Registered Nurse, Software Trainer, Sales Engineer and more! Employment Application. We are always looking for people who are excited about joining us. Sample Job Application. Fill out this sample application using your personal information. Current City Employees: Please log into Employee Self Service (ESS). Are you interested in hiring a Job Corps graduate?