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Medical Laboratory Scientist I, Molecular Lab
Mass General BrighamUnited Statesfull_timeVerifiedPosted 9 Jun 2026
💰 $81,400/yr($55,900/yr – $81,400/yr)
About the role
Site: The Brigham and Women's Hospital, Inc.
Day Shift
We’re offering a generous sign-on bonus of $10,000 to eligible candidates who join our team. Recognizing and valuing exceptional talent, we’re excited to discuss the details of this bonus during the interview process.
The Medical Laboratory Scientist I (MLS I), in their role as Testing Personnel as defined by CLIA, may perform waived and non-waived testing. Each individual performs only those tests that are authorized by the Laboratory Director and require a degree of skill commensurate with the individual’s education, training or experience, and technical abilities. Under general supervision, after successful completion of orientation, training, and competency assessment on all instruments/methods applicable to their role, the Medical Laboratory Scientist I (MLS I) carries out all policies and performs all tests in accordance with the laboratory's standard operating procedures. Works independently in an efficient and organized manner to assure accurate results and records. The work requires a professional level of knowledge to read and interpret accurately test results used by providers in the diagnosis and treatment of diseases.
Reports to: Clinical Manager and Clinical Supervisor.
Essential Functions (key roles & responsibilities)
Responsibilities as outlined by CLIA:
Testing Personnel are responsible for specimen processing, test performance and for reporting test results.
1. Follow the laboratory's procedures for specimen handling and processing, test analyses, reporting and maintaining records of patient test results.
2. Maintain records that demonstrate that proficiency testing samples are tested in the same manner as patient specimens.
3. Adhere to the laboratory's quality control policies, document all quality control activities, instrument and procedural calibrations and maintenance performed.
4. Follow the laboratory's established policies and procedures whenever test systems are not within the laboratory's established acceptable levels of performance.
5. Be capable of identifying problems that may adversely affect test performance or reporting of test results and either must correct the problems or immediately notify the general supervisor, technical supervisor, clinical consultant, or director.
6. Document all corrective actions taken when test systems deviate from the laboratory's established performance specifications; and
7. If qualified under §493.1489(b)(5), perform high complexity testing only under the onsite, direct supervision of a general supervisor qualified under §493.1461.
Essential Functions (Key roles & responsibilities)
Additional responsibilities may include the following under the direction of the Clinical Manager and Clinical Supervisor.
1. Performs qualitative and quantitative tests and procedures using instruments and/or manual methods on blood, plasma, and other body fluids, according to laboratory policies. Demonstrates the use of two patient identifiers.
2. Prepares samples and reagents for testing according to laboratories policies.
3. Operates all instruments/analyzers per established procedures or instructions in applicable operator’s manual.
4. Performs routine maintenance, function checks or calibrations on equipment according to policies and documents.
5. Recognize instrument malfunctions, documents problems as may be required, performs troubleshooting and repair according to established guidelines. Alerts supervisor or designee as needed.
6. Performs quality control for all reagents and instruments according to policies. Document quality control results according to laboratory policies. Responsible to document all our of range QC results and corresponding corrective action steps if applicable.
7. Responsible for the accuracy, interpretation, and reporting of test results acc
Mass General Brigham relies on a wide range of professionals, including doctors, nurses, business people, tech experts, researchers, and systems analysts to advance our mission. As a not-for-profit, we support patient care, research, teaching, and community service, striving to provide exceptional care. We believe that high-performing teams drive groundbreaking medical discoveries and invite all applicants to join us and experience what it means to be part of Mass General Brigham.
Job Summary
Medical Laboratory Scientist I, MolecularDay Shift
We’re offering a generous sign-on bonus of $10,000 to eligible candidates who join our team. Recognizing and valuing exceptional talent, we’re excited to discuss the details of this bonus during the interview process.
The Medical Laboratory Scientist I (MLS I), in their role as Testing Personnel as defined by CLIA, may perform waived and non-waived testing. Each individual performs only those tests that are authorized by the Laboratory Director and require a degree of skill commensurate with the individual’s education, training or experience, and technical abilities. Under general supervision, after successful completion of orientation, training, and competency assessment on all instruments/methods applicable to their role, the Medical Laboratory Scientist I (MLS I) carries out all policies and performs all tests in accordance with the laboratory's standard operating procedures. Works independently in an efficient and organized manner to assure accurate results and records. The work requires a professional level of knowledge to read and interpret accurately test results used by providers in the diagnosis and treatment of diseases.
Reports to: Clinical Manager and Clinical Supervisor.
Essential Functions (key roles & responsibilities)
Responsibilities as outlined by CLIA:
Testing Personnel are responsible for specimen processing, test performance and for reporting test results.
1. Follow the laboratory's procedures for specimen handling and processing, test analyses, reporting and maintaining records of patient test results.
2. Maintain records that demonstrate that proficiency testing samples are tested in the same manner as patient specimens.
3. Adhere to the laboratory's quality control policies, document all quality control activities, instrument and procedural calibrations and maintenance performed.
4. Follow the laboratory's established policies and procedures whenever test systems are not within the laboratory's established acceptable levels of performance.
5. Be capable of identifying problems that may adversely affect test performance or reporting of test results and either must correct the problems or immediately notify the general supervisor, technical supervisor, clinical consultant, or director.
6. Document all corrective actions taken when test systems deviate from the laboratory's established performance specifications; and
7. If qualified under §493.1489(b)(5), perform high complexity testing only under the onsite, direct supervision of a general supervisor qualified under §493.1461.
Essential Functions (Key roles & responsibilities)
Additional responsibilities may include the following under the direction of the Clinical Manager and Clinical Supervisor.
1. Performs qualitative and quantitative tests and procedures using instruments and/or manual methods on blood, plasma, and other body fluids, according to laboratory policies. Demonstrates the use of two patient identifiers.
2. Prepares samples and reagents for testing according to laboratories policies.
3. Operates all instruments/analyzers per established procedures or instructions in applicable operator’s manual.
4. Performs routine maintenance, function checks or calibrations on equipment according to policies and documents.
5. Recognize instrument malfunctions, documents problems as may be required, performs troubleshooting and repair according to established guidelines. Alerts supervisor or designee as needed.
6. Performs quality control for all reagents and instruments according to policies. Document quality control results according to laboratory policies. Responsible to document all our of range QC results and corresponding corrective action steps if applicable.
7. Responsible for the accuracy, interpretation, and reporting of test results acc
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