Clinical Laboratory Scientist (CLS), Oncology

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 a driven Clinical Laboratory Scientist (with California Clinical Laboratory Scientist License) to perform Northstar. You will join our growing superstar CLIA team responsible for end-to-end processing of cancer blood samples in a high complexity, high-growth CLIA setting. The Clinical Laboratory Scientist is an onsite position. Shift Hours: Tues - Sat PM (1:30-10 PM) Weekday PM, 20% Weekend PM, 25% 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: Start-up experience Knowledge of cancer biology Experience in a cell-free DNA setting 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 eligible employees (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) 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 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