Orientation and New Hire Info Welcome to Columbia University and the beginning of your successful career. We encourage you to take full advantage of the many resources and services to help you acclimate to Columbia's amazing work and learning environment: Online: New Hire Orientation: This requires UNI log in. In-person sessions are now cancelled. New Hire Checklist: See this helpful list of tasks to guide your transition. I-9 and E-Verify: Find instructions on completing requisite employment forms. Employment Overview: Learn the basics about working at Columbia. Student Casual Employees: Information and forms for new student employees.