Planner/Buyer

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 motivated Planner/Buyer to join our Supply Chain team and help keep our molecular diagnostic lab running smoothly. Unlike traditional manufacturing, our final product isn’t a tangible good — it’s critical health information. To deliver these results, our lab relies on a steady flow of reagents, consumables, and components.

As a Buyer/Planner, you’ll play a key role in ensuring the right materials are available at the right time. You’ll manage planning Bills of Materials (BOMs) for Laboratory Developed Tests (LDTs), translate testing forecasts into material needs, and work with suppliers to ensure uninterrupted supply. This is an opportunity to apply your ERP and planning expertise in a mission-driven environment where supply chain excellence directly supports patient outcomes.

Responsibilities:

• Use NetSuite MRP planning tools to forecast and plan material requirements for lab operations.
• Build and maintain planning BOMs that translate test volumes into accurate material consumption.
• Manage purchase orders, supplier relationships, and on-time delivery of reagents and consumables.
• Monitor inventory levels and adjust safety stock to support high-throughput workflows.
• Collaborate with Lab Operations, Quality, and R&D to align material supply with testing needs.
• Apply ERP best practices from NetSuite, SAP, or Oracle to continuously improve processes.

Requirements:

• Bachelor’s degree in Supply Chain Management, Operations, Business, or related field; OR a minimum of 5 years of practical, hands-on experience in a NetSuite planning role.
• 3+ years of experience as a Buyer/Planner, Supply Planner, or similar role in diagnostics, life sciences, or biotech.
• Strong proficiency in NetSuite MRP planning tools (required).
• Prior experience with SAP or Oracle ERP systems (preferred).
• Ability to conceptualize and manage planning BOMs for internal lab consumption.Strong organizational, analytical, and problem-solving skills.
• Excellent communication and cross-functional collaboration skills.
• Understanding of basic biology and experience working with Oligo and Life Science supply base.

Benefits And Perks:

• Working alongside brilliant, kind, passionate and dedicated colleagues, in an empowering environment, toward a global vision, striving for a future in which transformative molecular diagnostics can help millions of patients
• Open, transparent culture that includes weekly Town Hall meetings
• The ability to indirectly or directly change the lives of hundreds of thousands patients
• Multiple medical benefit options; employee premiums paid 100% of select plans, dependents covered up to 80%
• Extremely generous Family Bonding Leave for new parents (16 weeks, paid at 100%)
• Supplemental fertility benefits coverage 
• Retirement savings program including a 4% Company match
• Increase paid time off with increased tenure
• Latest and greatest hardware (laptop, lab equipment, facilities)
• Free daily on-site lunches provided from top eateries
• 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 (1) competitive base pay, (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 $147,083 per year, including a base pay range of $104,040 - $124,848 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.

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About Billiontoone

BillionToOne is a next-generation molecular diagnostics company on a mission to make powerful, accurate diagnostic tests accessible to everyone. Our revolutionary QCT molecular counting technology enhances disease detection resolution by over a thousandfold using cell-free DNA—a breakthrough that's already transformed the lives of over half a million patients worldwide.

Our Impact: We've pioneered game-changing diagnostic solutions that are redefining industry standards. Unity Complete™ stands as the only non-invasive prenatal screen capable of assessing fetal risk for both common recessive conditions and aneuploidies from a single maternal blood sample. In oncology, our Northstar® liquid biopsy test uniquely combines treatment selection with real-time monitoring, giving oncologists unprecedented precision in cancer care.

Our Growth: From $0 to $125 million in Annual Recurring Revenue in just four years. We've raised close to $400 million in funding, including a $130 million Series D round in June 2024, achieving a valuation of over $1 billion. This backing comes from world-class investors including Hummingbird, Adams Street Partners, Neuberger Berman, Baillie Gifford, and Premji Invest.

Our Recognition: Forbes recently named us one of America's Best Startup Employers for 2025, and we were awarded Great Place to Work certification in 2024—with an incredible 100% of our people reporting they are willing to give extra to get the job done. These honors recognize not just our innovation but the exceptional culture we've cultivated—one that remains authentically collaborative and transparent even as we've scaled.

Our Future: Headquartered in Menlo Park with facilities in Union City, California, we're continuing to push the boundaries of what's possible in molecular diagnostics. Recent clinical outcomes data for Unity Fetal Risk Screen and new advances in cancer diagnostics prove we're just getting started.

At BillionToOne, you'll join a diverse team of passionate innovators who believe that the best science happens when brilliant minds collaborate openly, think boldly, and never lose sight of the patients whose lives depend on our work.

Ready to help us change the world, one diagnosis at a time?

Learn more at www.billiontoone.com