Medical Science Liaison II, Screening

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® transforms patient care and accelerates new cancer therapies by providing critical insights through advanced blood and tissue tests, real-world data, and AI analytics. Guardant tests improve outcomes across all stages of care, including screening, monitoring for recurrence, and treatment selection.

About the role

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 builds strong KOL relationships, delivers high-quality scientific exchange, and contributes to cross-functional initiatives with increasing autonomy and strategic impact.

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.
• Engage 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.
• 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.

Qualifications

• Typically a bachelor’s degree with ~8–12 years (or 6–8 years with a master’s / 3–5 years with a PhD, PharmD, or MD) of diagnostic or pharma experience.
• Typically 2–5+ years of experience in an 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%.

Schedule

Hybrid work model: U.S. employees within 50 miles of a Guardant facility are required to be onsite on Mondays, Tuesdays, and Thursdays. Scheduled in-office days allow for collaboration, while remote days support focused work.

Pay

The annualized base salary range for this role is $164,900 – $226,750. This range does not include benefits, bonus, commission, or equity. Compensation is based on factors such as geography, experience, education, skills, job duties, and business need.