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Quality Engineer II, Reagents

Guardant Health


Job Location:

Redwood City, CA - USA

Monthly Salary: $ 122040 - 167805
Posted: 18 July 2026 (30+ days ago)
Application Deadline: 15 October 2026
Vacancies: 1 Vacancy
The job posting is outdated and position may be filled

Job Summary

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 visitand follow the company onLinkedInX (Twitter)andFacebook.

Position Summary:

The Quality Engineer II plays a key role in ensuring the quality and compliance of Guardant Healths in vitro diagnostic (IVD) products throughout the product lifecycle from development to manufacturing. This role is a quality liaison for reagent development providing expert guidance on Design Controls Risk Management Change Control and Validation activities. The Quality Engineer II contributes to the continuous improvement of Guardant Healths Quality Management System (QMS) in alignment with FDA regulations (21 CFR 820) ISO 13485 CLIA CAP CMDR and other applicable standards. Additionally this role supports continuous improvement initiatives collaborates with cross-functional teams to ensure the successful launch of new products and collaborates with ongoing quality of innovative healthcare solutions.

Essential Duties and Responsibilities:

  • Develops and applies quality requirements for Guardant Healths reagent manufacturing process and quality control activities. This includes providing guidance for Production and Process Controls Risk Analysis and decisions on process validation activities.
  • Provides guidance for statistical methodologies sampling plans and stability testing requirements.
  • Ensures required documentation is completed prior to product transfers and product launches.
  • Leads all risk management and change control activities related to reagents.
  • Provides guidance on process and test method validations re-validations and participates in related change control activities.
  • Support internal audits CAPAs nonconformance investigations and supplier quality activities.
  • Supports equipment qualification (IQ OQ PQ).
  • Supports review of manufacturing records and material dispositions as required.
  • Supports material related issues and deviations.
  • Identifies opportunities for continuous improvement and collaborates with cross-functional teams to successfully address these opportunities.
  • Generate metrics as required and report to management.
  • Performs other related duties and responsibilities as assigned.
  • Report and document all concerns of test quality and/or safety to the Supervisor or Safety Officer as applicable.

Qualifications:

  • B.S. degree in Engineering Biology Chemistry Molecular Biology or related scientific discipline.
  • 3 years of quality experience in and FDA/ISO regulated environment (IVD molecular diagnostics or medical devices preferred).
  • Manufacturing experience is required. Candidates must have hands-on experience working in a manufacturing environment and demonstrate a strong understanding of Good Manufacturing Practices (GMP) quality systems and standard operating procedures (SOPs).
  • Hands-on experience with risk management process validation and change control.
  • Working knowledge of ISO 13485/FDA 21 CFR 820 and other related regulatory standards.
  • Familiar with statistical methods (e.g. statistical analysis Statistical Process Control Design of Experiments).
  • Familiarity with design control elements and design transfer.
  • Ability to successfully balance and prioritize multiple ongoing projects / tasks in a fast-paced deadline driven environment.
  • Strong analytical and problem-solving skills; attention to detail is essential.
  • Proficient verbal and written communication skills; able to communicate effective with cross-functional stakeholders.
  • Collaborative and self-motivated mindset with a drive for results and process improvement.

Work Environment:

This is an onsite position. Employees may be required to lift routine office supplies and use office equipment. Most 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.


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.

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 candidates 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: Redwood City CA Primary Location Base Pay Range: $135600 - $186450 Other US Location(s) Base Pay Range: $115260 - $158483 If the role is performed in Colorado the pay range for this job is: $122040 - $167805


Employee may be required to lift routine office supplies and use office 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 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

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).

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 ourPrivacy Notice for Job Applicants.

Please visit our career page at: Experience:

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About Company

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Guardant Health is a leading precision oncology company focused on helping conquer cancer globally through use of its proprietary tests, vast data sets and advanced analytics. The Guardant Health oncology platform leverages capabilities to drive commercial adoption, improve patient cl ... View more

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