Entrust Your Career to HealthTrust. Registered Nurse (RN) - Dialysis (DIA) - Full Time (. . Nights. . ). Who We Are. HealthTrust Workforce Solutions is a leading provider of healthcare jobs nationwide. As a wholly-owned subsidiary of HCA Healthcare, the nation’s largest health system, we provide access to more opportunities in more locations. When you work with HWS, you unlock possibilities, raise the bar and become a part of a team that cares li...