HealthCare Systems Staffing (HCSS) is the internal float pool for clinical and non-clinical services for UTMB and its associated facilities in Galveston and the surrounding areas, including John Sealy Hospital, UTMB Clinics, League City Campus Specialty Care Center, Clear Lake Campus, Angleton Danbury Campus and the Texas Department of Criminal Justice (TDCJ) Hospital.HCSS supports UTMB by employing experienced nurses and support staff on a per diem basis for daily, short-term and long-term assignments at competitive pay rates. Many times, our temporary contracts turn into full-time employment.