# Senior Stock Plan Administrator at BillionToOne

- Company: BillionToOne
- What the company does: We are a team at the forefront of disease detection focused on moving Prenatal Screening and Liquid Biopsy forward. Backed by Norwest, Y Combinator and 500 Global.
- Company website: https://billiontoone.com/
- Type: Startups
- Level: Senior
- Location: Menlo Park, CA
- Work setup: On-site
- Posted: 2026-09-14
- Apply by: 2026-10-29
- Apply: https://job-boards.greenhouse.io/billiontoone/jobs/4730826005
- Page: https://www.1752.vc/careers/jobs/billiontoone-senior-stock-plan-administrator/

## About the role

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.

## What they're looking for

- Bachelor’s degree or equivalent experience (Business Administration, Finance, Accounting – plus)
- 5+ years of hands-on experience in equity compensation within a public company
- In-depth knowledge of equity platforms such as Fidelity Plan Sponsor Webstation ® (or equivalent systems) and managing platform processes end-to-end
- Strong understanding and experience of multiple types of equity (ISOs, NSOs, RSUs, ESPP) and related compliance, tax, and reporting requirements
- Strong experience supporting internal/external audits and ensuring compliance with SOX and ASC 718
- Experience managing complex reconciliations, close processes, and equity-related financial reporting

Tags: Finance