Clinical Laboratory Scientist (CLS), Prenatal

A Rare Opportunity to Shape the Future of Genomics Join a team of brilliant, passionate innovators determined to transform healthcare. At BillionToOne, we've built a category-defining, publicly traded company on Nasdaq where transparency fuels trust, collaboration drives breakthroughs, and every contribution moves the needle on our mission to make life-changing diagnostics accessible to all. We don't just aim for incremental improvements; we build products that are 10x better than anything that exists today. Our scientists, engineers, sales executives, and visionaries are 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, and every innovation you contribute helps remove the fear of the unknown from some of life's most critical medical moments. If you're driven by purpose, energized by innovation, and ready to help shape the future of precision medicine at scale, this is where you belong. We are looking for driven Clinical Laboratory Scientists (with California Clinical Laboratory Scientist License) to perform UNITY, the only non-invasive prenatal test (NIPT) that can detect inherited disorders such as sickle cell disease, spinal muscular atrophy, and cystic fibrosis in the baby directly from maternal blood. These disorders are extremely severe, but early detection and intervention can significantly improve outcomes. You will join our growing superstar CLIA team responsible for end-to-end processing of pregnancy blood samples in a high complexity, high-growth CLIA setting. The Clinical Laboratory Scientist is an onsite position. Shift Hours: Tues-Sat AM / Tues-Sat PM Weekday PM, 20% differential Weekend PM, 25% differential Responsibilities: Performs clinical laboratory assays to provide data for diagnosis, treatment, and prevention of disease. Performs quality control studies to ensure the accuracy of clinical data. Verifies instrument performance by checking and calibrating specific lab instruments and documents data. Organizes and contributes to R&D to CLIA tech transfer and troubleshooting, training, and validations Qualifications: Bachelor's degree in the chemical, physical or biological sciences 1-2 years of CLS experience in a clinical setting A current California Clinical Laboratory Scientist License that meets requirements for Testing Personnel under CLIA regulations (42 CFR, part 493) (ASCP, CGMBS or generalist license is required). Hands-on training and experience with manual molecular biology protocols, including DNA extraction and PCR Advanced knowledge of Google Docs, Word, Excel, basic statistics and familiarity with LIMS systems Strong attention to detail and ability to work flexibly and well under given timeframes. Self-starter and dynamic team player with excellent verbal and written skills. Nice-To-Haves: 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 up to $200,536 per year, including an hourly rate (inclusive of shift differential) of $59.14 - $86.97 per hour. Compensation is commensurate with experience and leveling. 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. For more information about how we protect your information, we encourage you to review our Privacy Policy . BillionToOne is a next-generation molecular diagnostics company on a mission to make powerful, accurate diagnostic tests accessible to everyone. Our revolutionary QCT molecular