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.
BillionToOne is seeking a Senior Finance Systems Analyst who will play a pivotal role in driving technology solutions across our finance function. This is a hands-on manager-level role, responsible for the administration, optimization, and integration of financial systems to support scaling operations and compliance with public company standards.
You’ll act as the key liaison between Accounting, Billing, and IT to ensure that systems and projects are aligned with business goals and internal control requirements. Your expertise in ERP systems, audit compliance, and cross-functional collaboration will be essential in enhancing the efficiency, accuracy, and control of our financial processes.
Responsibilities:
- Financial Systems Support & Administration
- Assist with the administration and day-to-day support of financial technologies, including ERP systems and related finance tools.
- Manage NetSuite configurations such as workflows, saved searches, roles, and user access under guidance from senior team members.
- Support implementation and enhancement of system features and integrations across Finance and Supply Chain.
- Identify opportunities to streamline processes and improve automation within finance systems.
- Assist with data integrity, system maintenance, and troubleshooting for finance-related applications.
- Support data integrations and work with IT on resolving integration-related issues.
- Cross-Functional Partnership
- Work with Accounting, HR, Billing, and IT to translate business needs into system requirements and functional updates.
- Assist Accounting during the monthly/quarterly close cycle by ensuring data accuracy and addressing system-related issues.
- Support reporting, analysis, and planning tool integrations as needed.
- Contribute to documentation of system requirements, test cases, and change requests.
- Help coordinate system updates, testing, and deployment activities for finance system initiatives.
- Compliance & Controls
- Maintain systems and processes in alignment with internal control frameworks and SOX readiness efforts.
- Support audit activities by preparing system documentation, ensuring accuracy of financial system data, and providing required system access evidence.
- Assist in maintaining IT SOX documentation related to finance systems.
Qualifications:
- 4–5+ years of experience supporting financial systems, preferably with hands-on NetSuite administration.
- Experience supporting financial audits and understanding of internal controls (SOX exposure preferred).
- Bachelor’s degree in Accounting, Information Systems, Computer Science, or a related field.
- Strong understanding of financial processes and reporting requirements.
- Demonstrated ability to support finance system enhancements and assist with system projects.
- Excellent analytical and problem-solving skills with strong attention to detail.
- Ability to manage multiple priorities and work in a fast-paced, dynamic environment.
- Strong communication skills and ability to work cross-functionally with both technical and non-technical teams.
- Experience with AI tools and automation.
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 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 $171,009 per year, including a base pay range of $116,161 - $137,281 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.
For more information about how we protect your information, we encourage you to review our Privacy Policy.
About BillionToOneBillionToOne 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
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