Office Manager

BillionToOne
Menlo Park, CAPosted 6 April 2026

Tech Stack

Job Description

Ready to redefine what's possible in molecular diagnostics? 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. With over 700 employees, half a million patients helped, and one of the most successful IPOs in medical diagnostics history behind us, we're just getting started. 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 passionate and energetic Office Manager to become the go-to person for all office management operations in our state-of-the-art facility and manage our Menlo Park facilities and ensure employee happiness is maximized at all times. The ideal candidate will have the ability to work cross-functionally between many departments to help keep our office. The Office Manager position is an onsite position and reports to the Senior Director of Supply Chain. Responsibilities: Own and manage daily office operations and guest experience Contribute to and collaborate with the team by assisting in the day-to-day operations of a rapidly growing molecular diagnostics lab’s office space Responsible for maintaining, ordering, and stocking of snacks and office supplies Greet and direct visitors to BillionToOne in a professional and friendly manner Assist in scheduling and coordinating building tours, interviews, and company site visits Partners cross functionally and support event planning and culture initiatives Help to streamline processes and set-up systems that keep a fast-growing company operating efficiently Maintain relationships with breakroom office supply vendors and serve as the primary point of contact across various functions Assist with creating and executing a calendar of creative employee appreciation events (birthdays, anniversaries) Liaise with business leaders and key stakeholders to support people team initiatives and new hire on-boarding (temp badge access, office tours, etc.) Advance other activities within the company as needed Assist with creating and executing a calendar of creative employee appreciation events (birthdays, anniversaries) Help keep the office pleasant and productive Qualifications : 1+ years experience managing an office with a fast paced environment with over 100 employees You embody our culture of kindness and ambition and are excited by the challenge of making an office an incredible place for our employees to gather and work You have a strong sense of initiative, interested in growing and taking on projects outside of scope You have the ability to collaborate well cross functionally to improve office operations You have excellent communication skills, in verbal and written form (i.e., clarity of thought, structured, rigorous) You're comfortable with ambiguity You have a track record of managing offices efficiently and seamlessly You like to go above and beyond and are eager to learn new things Knowledge of Slack, Microsoft Word, Excel, Powerpoint Ability to lift 25 pounds Nice to Have: College degree preferred but not required Benefits And Perks: Working alongside brilliant, kind, passionate and dedicated colleagues, in an empowering environment, toward a global vision, striving for a ... (truncated, view full listing at source)
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