Senior IT Desktop Support Technician

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 seeking a Senior IT Desktop Support Technician with strong experience supporting end users in a fast-paced, dynamic environment. The ideal candidate will have hands-on expertise in Google Workspace,macOS, Iru, Intune, and Jira Service Management, as well as a strong understanding of lab and regulated environments.

This role is critical to ensuring operational excellence, leading IT support initiatives, maintaining compliance with HIPAA and security standards, and designing exceptional end-user experiences. The successful candidate will play a key role in managing IT inventory, improving support workflows, and ensuring seamless and secure IT operations across the organization.

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 has already transformed the lives of over half a million patients worldwide.

Our Impact

Our Growth

From $0 to $400M+ annualized revenue run-rate in just 6 years. In 2025, we completed one of the most successful IPOs for a medical diagnostics company, building on nearly $400M in private funding,including our $130M Series D in 2024 and backed by world-class investors including Hummingbird, Adams Street Partners, Neuberger Berman, Baillie Gifford, and Premji Invest.

Our Recognition

Forbes named us one of America's Best Startup Employers for 2025 and we're Great Place to Work certified, with 100% of our people willing to go the extra mile, even as we've scaled to over 700 employees.

Our Future

Headquartered in Menlo Park with facilities in Union City, CA, and a new lab opening in Austin, TX in 2027, we're continuing to push the boundaries of what's possible in molecular diagnostics. We're just getting started.

Ready to help us change the world, one molecule at a time? Learn more at billiontoone.com

• 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 thousand 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)

• 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.).

The base salary range for this role is $85,327 - $106,659. This position is eligible for an annual bonus and receives a new hire equity grant of up to $50,000 at grant value, vesting over four years, plus annual equity refresh grants equal in value to the new hire grant. Together, the total four-year value of base, target bonus, and equity is up to approximately $594,000. We also offer competitive medical and dental coverage and a 401(k) with company match.

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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