keyword(s): mamm, mammo, mammography, tech, technologist, mamm tech, mammogram, ultrasound, ultrasound, breast, center, MRI, student, senior, advanced, days, shift, no, weekends, shift, differentials, Mercy, st. 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.