Reporting Clinical Laboratory Scientist (RCLS)

About the position 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. The Prenatal Reporting Clinical Laboratory Scientist (RCLS) is responsible for performing high complexity laboratory analysis on patient specimens, performing quality control and quality assurance procedures, and complying with all local, state, and federal laboratory requirements. The RCLS will be involved with training and troubleshooting and may assist the Supervisor with scheduling, meeting project deliverables and the general supervision of personnel and the daily operations of the laboratory as applicable. The RCLS may be the first point of contact for other cross-functional teams during specimen processing and will provide guidance while troubleshooting technical and non-technical problems as applicable. The nature of the work performed by a RCLS requires excellent attention to detail, strong written and verbal communication skills, the ability to multitask and be flexible with scheduling, and the ability to work both independently and in a team environment. Responsibilities • Clinical Data Review, Interpretation, and Reporting: Review and interpret clinical genomics data, and sign out clinical laboratory reports, ensuring accuracy and reliability of clinical reporting • Quality Assurance: Partner with Quality Management team on QC and QA programs to maintain the highest standards in laboratory testing and reporting, ensuring adherence to CLIA, CAP, and other regulatory guidelines • Process Improvement: Identify opportunities for process optimization, efficiency enhancement, and cost-effective laboratory practices • Collaborate with Research & Development, bioinformatics and Genomic Technology team to develop, validate, and implement of new laboratory tests, methodologies, and data management and reporting systems • Team Leadership: Provide leadership and guidance to laboratory staff, including scientists, technicians, and support personnel • Collaboration: Collaborate with cross-functional teams, including Lab Operation, Customer Service, Product, Commercial, to support company goals • Analysis and Reporting (70%): Execute the bioinformatics pipelines that process and analyze raw data from samples • Manage daily test processing needs with the highest emphasis on quality • Present sample results to additional RCLSs, Laboratory Director, and/or other clinical personnel for subsequent clinical reporting • Reviewing and releasing sample reports under the purview of the Laboratory Director • Other Responsibilities (30%): Maintain reporting workflows, documentation, and their compatibility with laboratory workflows • Assist with technology transfer from the research laboratory to the clinical laboratory • Assist with continual process & workflow improvement on existing productions across teams • Close collaboration with additional clinical teams: Client Services, Genetic Counselors, Bioinformatics, and Process Engineering for investigation on samples and/or workflows • Train other Reporting CLS and clinical personnel on bioinformatics and reporting pipelines as needed • Weekend and holiday work may be required Requirements • Must possess an active and valid CLS or Clinical Genetic Molecular Biologist Scientist (CGMBS) license issued by the state of California pursuant to Division 2, Chapter 3 of the California Business and Professions Code or to practice medicine, osteopathy or podiatry pursuant to Division 2, Chapter 5 of the California Business and Professions Code appropriate to the specialty they are performing • Must fulfill requirements stated in 42 CFR 493.1489 OR 493.1491 • Must fulfill requirements stated in the College of American Pathologists Molecular Pathology Checklist • Working knowledge of local, state, and federal laboratory regulations required • Bachelor’s degree or equivalent in Biomedical Laboratory Sciences, Clinical Science or related field required • At least one year of Clinical Laboratory experience or equivalent high complexity and volume laboratory experience required • Experience with molecular biology techniques required • Able to manage daily test processing needs with high emphasis on quality • Able to analyze and troubleshoot basic issues that impact test performance • Able to integrate and apply feedback in a professional manner • Able to proactively communicate consistently, clearly, and honestly Nice-to-haves • Experience with Sanger sequencing analysis, trinucleotide repeat analysis, MLPA analysis, or NGS QC preferred • Laboratory experience in molecular biology within the last year preferred • Strong computer and automation skills are preferred • Knowledge of data structures and algorithms and familiarity with industry tools (Atlassian Suite, Microsoft Office Suite, LIMS, command line) Benefits • 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) Apply tot his job Apply To this Job