Medical Science Liaison (MSL), Oncology (Central)

Ready to redefine what's possible in molecular diagnostics? Join a team of brilliant, passionate innovators who wake up every day determined to transform healthcare. At BillionToOne, we've built something extraordinary—a culture where transparency fuels trust, collaboration drives breakthroughs, and every voice matters in our mission to make life-changing diagnostics accessible to all. We don't just aim for incremental improvements; we strive to build products that are 10x better than anything that exists today. Our people are our greatest asset:talented scientists, engineers, sales professionals, and visionaries united by an unwavering commitment to changing the standard of care in prenatal and cancer diagnostics. This is where cutting-edge science meets human compassion—every innovation you contribute helps remove fear of unknown from some of life's most critical medical moments. If you're driven by purpose, energized by innovation, and ready to help build the future of precision medicine, this is where you belong. We are looking for a field-based professional Medical Science Liaison (MSL), Oncology with scientific and clinical expertise in oncology to support our oncology portfolio of liquid biopsy products. The Medical Science Liaison (MSL), Oncology is a remote position and reports to our Associate Director, Medical Affairs. Region: US Central Time (Texas, Oklahoma) Responsibilities:

• Serve as a key liaison to Health Care Providers (HCPs) in the oncology space regarding liquid biopsy and BillionToOne products
• Serve as a key member of the BillionToOne Oncology Medical Affairs team
• Develop and maintain relationships with key opinion leaders (KOLs) by engaging in scientific exchange with medical and scientific partners
• Support commercial team by providing impactful information that enhances the value and proper use of BillionToOne products
• Respond to HCP customer inquiries to provide focused and balanced clinical and scientific information that supports the appropriate use of or clinically differentiates BillionToOne's products and services
• Contribute to development of provider and patient educational products
• Adhere to internal standard processes and comply with regulatory and compliance requirements
• Other duties as may be assigned

Requirements:

• Advanced degree in a related science or health discipline
• 2+ years of experience as a Medical Science Liaison or similar position in oncology, diagnostic experience preferred
• Expertise in discussing scientific content and context to multiple audiences
• Excellent communication and interpersonal skills
• Ability to travel up to 70%

Benefits

And Perks:

• Working with a team of ‘rockstars’ who bring out the best in everyone
• Open, transparent culture that includes weekly Town Hall meetings
• The ability to indirectly or directly change the lives of hundreds of thousand patients
• Multiple medical benefit options; employee premiums paid 100% of select plans, dependents covered at 80%
• Extremely generous Family Bonding Leave for new parents (16 weeks, paid at 100%)
• Retirement savings program including a 4% Company match
• Free daily on-site lunches provided from top eateries
• Latest and greatest hardware (laptop, lab equipment, facilities)
• A variety of perks on campus (state of the art gym, restaurant)
• Free on-site EV charging (compatible with all EVs, including Tesla)

At BillionToOne, we are proud to offer a combination of a (1) base pay range (actual amount offered is based on experience and salary/equity options split that the candidate chooses), (2) generous equity options offering, (3) corporate bonus program, on top of (4) industry leading company benefits (free healthcare options, 401k match, very generous fully paid parental leave, etc.). For this position, we offer a total compensation package of $225,027, including a base pay range of $161,262 - $182,070 per year. BillionToOne is an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. Apply tot his job Apply To this Job