Senior Clinical Laboratory Scientist- Reporting
Job in
Redwood City, San Mateo County, California, 94061, USA
Listed on 2026-01-18
Listing for:
Guardant Health
Full Time
position Listed on 2026-01-18
Job specializations:
-
Healthcare
Clinical Research, Medical Technologist & Lab Technician
Job Description & How to Apply Below
** Guardant Health is a leading precision oncology company focused on guarding wellness and giving every person more time free from cancer. Founded in 2012, Guardant is transforming patient care and accelerating new cancer therapies by providing critical insights into what drives disease through its advanced blood and tissue tests, real-world data and AI analytics. Guardant tests help improve outcomes across all stages of care, including screening to find cancer early, monitoring for recurrence in early-stage cancer, and treatment selection for patients with advanced cancer.
For more information, visitand follow the company on,and.
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* Position Summary:
** The Senior Clinical Laboratory Scientist (CLS) is responsible for performing high complexity laboratory testing on patient specimens, performing quality control and quality assurance procedures, and complying with all applicable local, state and federal laboratory requirements. The nature of the work requires excellent attention to detail, effective written and verbal communication skills, the ability to multitask and be flexible with tasks and schedules, and the ability to work independently in a team environment.
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* Essential Duties and Responsibilities:
*** Perform laboratory tests, procedures and analyses according to the laboratory’s standard operating procedures;
* Operate, maintain and troubleshoot equipment according to the laboratory’s standard operating procedures;
* Review, interpret and report patient results in LIMS as assigned;
* Independently identify and troubleshoot high complexity problems that adversely affect the test performance;
* Perform, review and document laboratory quality control procedures;
* Document all corrective actions taken when test systems deviate from the established performance specifications;
* Perform and document routine preventive maintenance;
* Prepare reagents required for testing;
* Perform and document reagent qualification per the approved protocols;
* Lead in introduction of assay improvements, new assay configurations and validation;
* Provide direct supervision of the work of unlicensed laboratory personnel during the analytical phase of testing;
* Communicate effectively with coworkers and non-laboratory personnel;
* Write and review of controlled documents as assigned;
* Lead the training of new and existing laboratory personnel on current and new procedures;
* Participate in the inspection preparation activities as needed;
* May act as a team leader/delegated General Supervisor and aid the Supervisors/Managers including but not limited to:
* Assist in administrative duties including but not limited to review of documents and forms;
* Take charge of shift communication if supervisors/leads are not present;
* Provide updates to supervisors/lead regarding any issues;
* Assist in sample and process troubleshooting; and
* Monitoring data and process status as needed.
* Perform other laboratory duties as assigned; and
* Report all concerns of test quality and/or safety to the Laboratory Supervisor, Laboratory Director or Safety Officer.
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* Qualifications:
*** Must possess an active, valid CLS or Clinical Genetic Molecular Biologist Scientist (CGMBS) license issued by the state of California CLS or CGMBS license pursuant to Division 2, Chapter 3 of the California Business and Professions Code or to practice medicine, osteopathy or podiatry pursuant to Division 2, Chapter 5 of the California Business and Professions Code appropriate to the specialty or specialties they are performing;
* Must fulfill requirements stated in 42 CFR 493.1489 or 493.1491;
* Must fulfill requirements stated as described in 10 NYYCRR Part 58-1.5;
* Must fulfill requirements stated in the College of American Pathologists Molecular Pathology Checklist;
* Bachelor’s degree or equivalent in Biomedical Laboratory Science, Clinical Science or related field preferred;
* At least two years of Guardant Health Clinical Laboratory experience or equivalent high complexity and volume laboratory experience preferred;
* Laboratory experience within the last year preferred;
* Experience in molecular biology techniques preferred;
* Working…
Position Requirements
10+ Years
work experience
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