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Job Title: Senior Clinical Laboratory Scientist
Company Name: Guardant Health
Location: Redwood City, CA United States
Position Type: Full Time
Post Date: 07/02/2022
Expire Date: 08/29/2022
Job Categories: Healthcare, Other, Information Technology, Installation, Maintenance, and Repair, Science, Quality Control, Research & Development, Writing/Authoring
Job Description
Senior Clinical Laboratory Scientist

Company Description

Guardant Health is a leading precision oncology company focused on helping conquer cancer globally through use of its proprietary blood tests, vast data sets and advanced analytics. The Guardant Health Oncology Platform leverages capabilities to drive commercial adoption, improve patient clinical outcomes and lower healthcare costs across all stages of the cancer care continuum. Guardant Health has launched liquid biopsy-based Guardant360®, Guardant360 CDx and GuardantOMNI® tests for advanced stage cancer patients. These tests fuel development of its LUNAR program, which aims to address the needs of early stage cancer patients with neoadjuvant and adjuvant treatment selection, cancer survivors with surveillance, asymptomatic individuals eligible for cancer screening and individuals at a higher risk for developing cancer with early detection.

Job Description

As Lead CLS, you are responsible for performing high complexity laboratory testing (next generation sequencing) on patient specimens, performing quality control and quality assurance procedures, reporting patient results.  You’ll comply with all applicable local, state and federal laboratory requirements and operate under the direction of the Laboratory Director and Laboratory Supervisors. This role requires meticulous and organized records, excellent attention to detail, and the ability to multi-task and be flexible with tasks and schedules.


  • Accurately perform molecular testing, using a variety of molecular biological techniques including next generation sequencing
  • Conduct daily quantitation and qualification assessment of molecular data generated during testing
  • Carry out QC/QA activities as part of the Quality program and commitment to patient safety
  • Participate in a variety of other essential laboratory activities, including reagent qualification, inventory management, procedure writing, inspection preparation, assay validation and investigation
  • Perform and document routine preventive maintenance and independently identify and troubleshoot highly complex problems that adversely affect test performance
  • Identify root cause and document all corrective actions taken when test systems
  • Participate in introduction of assay improvements, new assay configurations and validation
  • At times, this position may fill the role of the general supervisor if the general supervisor is off-site


You have at least six years of experience in a CLIA laboratory and have a good understanding of CAP and CLIA regulations. You’re reliable and resilient, and you contribute to team success by sharing your experience in molecular biology and NGS and are a leader among peers. Your colleagues come to you with questions, and you’ve had experience training and/or supervising clinical laboratory staff. 

You are excited about bringing quality and strong project management skills to solve complex issues that impact test performance.  You are an effective and proactive communicator who maintains open dialogue with colleagues across functions and can articulate complex concepts and issues clearly.  An avid learner, you seek opportunities to grow and integrate developmental feedback you receive into your day-to-day. You’re known for your ability to zoom in on detail as well as your ability to zoom out to see the big picture.

Additional information

In addition, you have:

  • Current California Clinical Laboratory Scientist (CLS) or Clinical Genetic and Molecular Biology Scientist (CGMBS) license
  • Bachelor of Science in Biomedical Laboratory Science, Clinical Science or related field
  • Six years of experience in a CLIA certified laboratory
  • Working knowledge of local, state, and federal laboratory regulations
  • Experience in molecular testing, nucleic acid extraction, PCR, and sequencing (next generation sequencing)
  • Working knowledge of laboratory functions (laboratory regulations, LIMS, Quality, etc.)

Additional Information

Covid Vaccination Policy:  Starting January 7, 2022, Guardant Health will require all employees to be fully vaccinated to either (a) establish that they have been fully vaccinated against COVID-19; or (b) request and obtain an approved exemption from Guardant’s COVID-19 U.S. Vaccination Policy as a reasonable accommodation, as consistent with applicable laws.  An employee is considered fully vaccinated against COVID-19 two weeks after receiving the second dose of a two-dose vaccine or one dose of a single-dose vaccination. Acceptable vaccines are approved or under emergency use authorization by the U.S. Food and Drug Administration (FDA) and/or the World Health Organization (WHO). In addition, fully-vaccinated employees will be required to maintain their fully-vaccinated status under this policy by obtaining, if applicable, any FDA-approved boosters.

Employee may be required to lift routine office supplies and use office equipment. Majority of the work is performed in a desk/office environment; however, there may be exposure to high noise levels, fumes, and biohazard material in the laboratory environment. Ability to sit for extended periods of time.

Guardant Health is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

All your information will be kept confidential according to EEO guidelines.

To learn more about the information collected when you apply for a position at Guardant Health, Inc. and how it is used, please review our Privacy Notice for Job Applicants.

Please visit our career page at: http://www.guardanthealth.com/jobs/



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