Massachusetts, Newton, Brighton, Waltham, Needham, West Roxbury, Dedham, Hyde Park, Brookline, Jamaica Plain, Roxbury, Dorchester, Natick, Weston, Westwood. The MRI Technologist, under general supervision of the MRI Manager, and following established policies and procedures, operates a magnetic resonance scanner to obtain images for use by physicians in diagnoses and treatment of pathologies.