Medical Science Liaison II, Screening

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, visit guardanthealth.com and follow the company on LinkedIn, X (Twitter) and Facebook.

Overview

The Medical Science Liaison II (MSL II) serves as a scientific expert supporting academic and community physicians, KOLs, and select health system stakeholders. This role is responsible for building strong KOL relationships, delivering high-quality scientific exchange, and contributing to cross-functional initiatives with increasing autonomy and strategic impact.

Key Responsibilities

• Build and maintain strong, professional relationships with KOLs across academic and community settings.
• Engage KOLs in scientific dialogue to deepen understanding of the company’s technologies and products.
• Begin engaging select health system stakeholders (e.g., clinical leaders) to support broader adoption.
• Develop, refine, and present scientific content (slides, abstracts, and data summaries) to external audiences.
• Lead presentations at regional meetings, CME events, and scientific forums.
• Ensure accuracy, clarity, and alignment of all scientific communications with company strategy.
• Act as a trusted scientific resource for Sales, Marketing, and Market Access teams.
• Provide regular field insights to inform strategy, including customer needs, treatment trends, and competitive intelligence.
• Support planning and execution of advisory boards and scientific forums.
• Identify potential research collaborations with KOLs
• Contribute to publication planning and support data dissemination efforts.
• Actively participate in broader Medical Affairs initiatives and contribute to team knowledge sharing.
• Mentor MSL I peers informally and support onboarding and best practice sharing.

Qualifications

• Typically bachelor’s with ~8–12 years (or 6–8 with master’s / 3–5 with PhD/PharmD/MD) diagnostic or pharma experience required.
• Typically 2–5+ years of experience in MSL or related medical affairs role.
• Demonstrated experience in KOL engagement and scientific presentation delivery.
• Strong analytical, communication, and cross-functional collaboration skills.
• Ability to operate independently and manage territory priorities effectively.

Willingness to travel up to ~60%

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.

Salary

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-USA-NY Primary Location Base Pay Range: $164,900 - $226,750

Other US Location(s) Base Pay Range: $164,900 - $226,750

If the role is performed in Colorado, the pay range for this job is: $164,900 - $226,750

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 View email address on click.appcast.io

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.

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