keyword(s): CT, CT Tech, CT technologist, Cat Scan, Computed Tomography, full time, nights, weekends, weekend, option, Mercy, St. Louis, hospital, 12 hours, long shifts, differentials, night time, over night. From day one, Mercy offers outstanding benefits - including medical, dental, and vision coverage, paid time off, tuition support, and matched retirement plans for team members working 32+ hours per pay period.