Senior Stock Plan Administrator

The role

The Senior Stock Plan Administrator manages the day-to-day administration of the company's equity compensation program. This role handles equity operations, stock-based compensation accounting, compliance, reporting, and employee communications.

What you will do

• Maintain accurate equity data and records within equity administration systems.
• Manage end-to-end processing of equity transactions.
• Coordinate Employee Stock Purchase Plan enrollment and purchase cycles.
• Maintain and reconcile equity share pool balances.
• Assist with equity plan setup, maintenance, and governance.
• Maintain records and documentation to support internal and external audit readiness.
• Analyze and reconcile equity data and perform audits.
• Support period-end close activities including stock-based compensation accounting.
• Ensure compliance with year end tax reporting requirements.
• Partner with Legal, Payroll, Accounting, and PeopleOps teams.

Required qualifications

• 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
• Strong understanding and experience of multiple types of equity (ISOs, NSOs, RSUs, ESPP)
• 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
• Strong organization, analysis, and communication skills
• Ability to handle multiple priorities and meet deadlines
• Proficiency in Microsoft Excel, Word, and PowerPoint
• Bachelor’s degree or equivalent experience

Nice to have

• Business Administration, Finance, Accounting degree
• CEP certification or progress toward certification

Benefits

• Multiple medical benefit options
• Employee premiums paid 100% of select plans
• Dependents covered up to 80%
• 16 weeks of paid Family Bonding Leave for eligible employees
• Supplemental fertility benefits coverage
• Retirement savings program including a 4% Company match
• Increase paid time off with increased tenure
• Latest and greatest hardware
• Free daily on-site lunches
• State of the art gym and restaurant on campus
• Free on-site EV charging
• Medical and dental coverage

About the company

BillionToOne is a next-generation molecular diagnostics company on a mission to make powerful, accurate diagnostic tests accessible to everyone. It is a publicly traded company on Nasdaq.