Clinical Laboratory Scientist- Reporting (Tuesday-Saturday)

Guardant Health, Inc.; California; Hybrid; USD 45,000 - 60,000; Full time

Job summary

Guardant Health, Inc. is seeking a Clinical Laboratory Scientist (CLS) to perform high complexity testing and ensure quality across patient specimens. The role requires CA licensure, familiarity with LIMS, and strong attention to detail in a fast-paced lab environment.

Responsibilities include SOP-based testing, QC/QA procedures, and collaboration with lab staff to maintain accuracy and safety. The position supports Guardant’s oncology-focused diagnostics and requires effective communication and

Qualifications

• Active CLS or CGMBS license required by CA state law.
• 42 CFR 493.1489/493.1491 compliance knowledge preferred.
• CAP Molecular Pathology Checklist familiarity beneficial.

Responsibilities

• Perform high complexity tests per SOPs and report results.
• Maintain and troubleshoot laboratory equipment.
• Document quality control and corrective actions.
• Ensure compliance with local, state, and federal regulations.
• Communicate results effectively to team and non-lab staff.

Skills

Quality control

Teamwork

Problem solving

Communication

Molecular biology

Automation skills

Computer skills

Education

Bachelor’s degree or equivalent in Biomedical Laboratory Science, Clinical Science or related field

Tools

LIMS

Job description

Company Description

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, visitguardanthealth.comand follow the company onLinkedIn,X (Twitter)andFacebook.

Position Summary

The 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.

Shift

Tuesday - Saturday; 8:30am-5pm PT

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;
• Participate 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;
• Perform other laboratory duties as assigned;
• Report all concerns of test quality and/or safety to the Laboratory Supervisor, Laboratory Director or Safety Officer.

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;
• 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 knowledge of local, state, and federal laboratory regulations preferred;
• Able to integrate and apply feedback in a professional manner;
• Ability to manage daily test processing needs with high emphasis on quality;
• Ability to analyze and problem solve basic issues that impact test performance;
• Ability to work as part of a team;
• Strong computer and automation skills;
• Ability to proactively communicate consistently, clearly, and honestly.

Work Environment

• Hours and days may vary depending on operational needs;
• Standing or sitting for long periods of time may be necessary;
• May be exposed to hazardous materials, blood specimens and instruments with moving parts, heating or freezing elements, and high-speed centrifugation;
• Repetitive manual pipetting may be necessary;
• Some lifting (up to 25 pounds) may be necessary.

Delegated Duties and Responsibilities

• Testing Personnel are responsible for specimen processing, test performance and for reporting test results and must:
• Perform only those high complexity 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;
• Follow the laboratory’s procedures for specimen handling and processing, test analyses, reporting and maintaining records of patient test results;
• Ensure that proficiency testing samples are tested in the same manner as patient specimens;
• Adhere to the laboratory’s quality control policies, document all quality control activities, instrument and procedural calibrations and maintenance performed;
• Follow the laboratory’s established policies and procedures whenever test systems are not within the laboratory’s established acceptable level of performance;
• Be capable of identifying problems that may adversely affect test performance or reporting of test results and must either correct the problems or immediately notify the General Supervisor, Technical Supervisor, Clinical Consultant, or Laboratory Director;
• Document all corrective actions taken when test systems deviate from the laboratory’s established performance specifications;
• Report all concerns of test quality and/or safety to a Supervisor, Laboratory Director or Safety Officer.

AI & Digital Fluency

Demonstrate curiosity, sound judgment, and the ability to critically evaluate and responsibly leverage AI-enabled tools in accordance with company policies, ethical standards, and regulatory requirements to improve the efficiency, effectiveness, and quality of work.

Hybrid Work Model

This section is applicable to onsite employees who are eligible for hybrid work location as specified by management and related policies. Guardant has defined days for in-person/onsite collaboration and work-from-home days for individual-focused time. All U.S. employees who live within 50 miles of a Guardant facility will be required to be onsite on Mondays, Tuesdays, and Thursdays. We have found aligning our scheduled in-office days allows our teams to do the best work and creates the focused thinking time our innovative work requires. At Guardant, our work model has created flexibility for better work-life balance while keeping teams connected to advance our science for our patients.

Annualized Base Salary Ranges

The annualized base salary ranges for the primary location and any additional locations are listed below. This range does not include benefits or, if applicable, bonus, commission, or equity. Each candidate’s compensation offer will be based on multiple factors including, but not limited to, geography, experience, education, job-related skills, job duties, and business need.

Primary Location: Remote - Open Position (USA) Primary Location Base Pay Range: $45 - $60 Other US Location(s) Base Pay Range: $45 - $60 If the role is performed in Colorado, the pay range for this job is: $47 - $60

Additional Notes

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 committed to providing reasonable accommodations in our hiring processes for candidates with disabilities, long-term conditions, mental health conditions, or sincerely held religious beliefs. If you need support, please reach out to [e-mail]

Background Screening

A background screening including criminal history is required for this role. GH will consider qualified applicants with criminal arrest or conviction histories in a manner consistent with applicable law including but not limited to the LA County Fair Chance Policies and the Fair Chance Act (Gov. Code Section 12952).

Equal Opportunity

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.

Career Information

Please visit our career page at: http://www.guardanthealth.com/jobs/ If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Our Work Experience is the combination of everything that's unique about us: our culture, our core values, our company meetings, our commitment to sustainability, our recognition programs, but most importantly, it's our people. Our employees are self-disciplined, hard working, curious, trustworthy, humble, and truthful. They make choices according to what is best for the team, they live for opportunities to collaborate and make a difference, and they make us the #1 Top Workplace in the area.

Join our Talent Community Don't miss an opportunity with Guardant Health. Be the first to hear about new roles, company news, and breakthroughs in the industry.