No Licenses and Credentials Medical Technologist (ASCP) [MLT, MT, MLA, Histologists] - American Society for Clinical Pathology Board of Certification (ASCP-BOC) required Experience lab experience 3-5 years required Knowledge, Skills and Abilities - The knowledge, both practical and theoretical, of tests and procedures necessary to review findings and advise and direct subordinates in action. The Medical Laboratory Scientist, Senior I, in their role as Technical Supervisor, Technical Consultant, or General Supervisor as defined by CLIA, may be delegated the responsibility of the technical oversight of the laboratory, including the day-to-day supervision or oversight of the laboratory operation and personnel performing testing and reporting results.