Find your path in health care. Operating a hospital is more than IV bags and trauma rooms. One might be surprised by the number of people who work behind the scenes and play a critical role in ensuring the best care for our patients. Apply today. Banner Staffing Services (BSS) offers Registry/Per Diem opportunities within Banner Health. Registry/Per Diem positions are utilized as needed within our facilities. These positions are great way to start your career with Banner Health. As a BSS team member, you are eligible to apply (at any time) as an internal applicant to any regular opportunities within Banner Health.