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Medical Laboratory Scientist, Senior I - Immunology

Brigham and Women's Hospital
United States, Massachusetts, Boston
221 Longwood Avenue (Show on map)
Dec 09, 2025
Summary
As required by CLIA, testing personnel are responsible for specimen processing, test performance, and reporting test results. Each individual performs only those tests authorized by the laboratory director and requiring a level of skill appropriate to their education, training, experience, and technical abilities. The role requires working independently in an efficient and organized manner to ensure accurate results and documentation. This position requires professional-level knowledge to accurately read and interpret test results used by providers in diagnosing and treating diseases.
The Medical Laboratory Scientist, Senior I, in their role as Technical Supervisor, Technical Consultant, or General Supervisor as defined by CLIA, may be delegated responsibility for technical oversight of the laboratory, including day-to-day supervision of operations and personnel performing testing and reporting results. Under the general supervision of the Technical Director and Clinical Supervisors, the Senior Technologist I also oversees assigned workstations, including Quality Control (QC) review, staff training, competency assessments, and inventory management.
Does this position require patient care?
No
Essential Functions
After successful completion of orientation, training, and competency assessment on all applicable instruments and methods, the Senior Technologist I must:
Follow the laboratory's procedures for specimen handling and processing, test analyses, reporting, and recordkeeping.
Maintain records demonstrating that proficiency testing samples are analyzed in the same manner as patient samples.
Adhere to quality control policies and document all QC activities, calibrations, and maintenance.
Follow established corrective action procedures when test systems fall outside acceptable performance standards.
Identify issues that may adversely affect test performance or result reporting, and either correct them or immediately notify the appropriate supervisor or director.
Document all corrective actions taken when test systems deviate from established performance specifications, in accordance with 42 CFR 493.1425 and 493.1495.

Education
Bachelor's Degree Clinical Laboratory Sciences required or Bachelor's Degree Medical Technology required or Bachelor's Degree Laboratory Sciences required and

Can this role accept experience in lieu of a degree?
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 4 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.
- Demonstrates advanced level of analytical skills and judgement.
- Must have understanding of computer technology and its application to analytical procedures and quality control.
- Must have a comprehensive understanding of laboratory equipment and its operation, maintenance, and repair, and analytic techniques.
- Must have the ability to work independently, evaluate situations and act appropriately.
- Ability to multitask in a fast-paced environment.
- Must have the ability to pay careful attention to detail and to adhere to written protocols, including communication with supervisors when issues are identified.
- Must be able to perform as a team member.
- Excellent interpersonal skills.
- Ability to interact professionally and effectively with numerous staff including physicians, hospital personnel, employees, and patients.
- Advanced knowledge of federal, state and accreditation requirements.



Physical Requirements
  • Standing Frequently (34-66%)
  • Walking Frequently (34-66%)
  • Sitting Occasionally (3-33%)
  • Lifting Frequently (34-66%) 35lbs+ (w/assisted device)
  • Carrying Frequently (34-66%) 20lbs - 35lbs
  • Pushing Occasionally (3-33%)
  • Pulling Occasionally (3-33%)
  • Climbing Rarely (Less than 2%)
  • Balancing Frequently (34-66%)
  • Stooping Occasionally (3-33%)
  • Kneeling Occasionally (3-33%)
  • Crouching Occasionally (3-33%)
  • Crawling Rarely (Less than 2%)
  • Reaching Frequently (34-66%)
  • Gross Manipulation (Handling) Frequently (34-66%)
  • Fine Manipulation (Fingering) Frequently (34-66%)
  • Feeling Constantly (67-100%)
  • Foot Use Rarely (Less than 2%)
  • Vision - Far Constantly (67-100%)
  • Vision - Near Constantly (67-100%)
  • Talking Constantly (67-100%)
  • Hearing Constantly (67-100%)


  • The Brigham and Women's Hospital, Inc. is an Equal Opportunity Employer. By embracing diverse skills, perspectives and ideas, we choose to lead. All qualified applicants will receive consideration for employment without regard to race, color, religious creed, national origin, sex, age, gender identity, disability, sexual orientation, military service, genetic information, and/or other status protected under law. We will ensure that all individuals with a disability are provided a reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment.
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