Senior Accounting Manager — Post-IPO & SOX Controls Lead

BillionToOne Inc.; Menlo Park (CA); On-site; USD 174,000 - 207,000; Full time

Benefits offered by this job

Medical benefits

Family leave

Fertility benefits

401k match

On-site meals

Campus perks

EV charging

Job summary

The Senior Accounting Manager at BillionToOne Inc. in Menlo Park leads the GL and AP teams in a post-IPO environment, ensuring SOX compliance and accurate monthly close.

You will own the general ledger integrity in NetSuite, coordinate with external auditors, drive process improvements, and deliver the monthly management reporting package including flux analyses and cost-per-test economics. Includes strong growth potential.

Qualifications

• 8-10+ years of progressive accounting experience, including 3+ years managing close and leading a team; post-IPO experience preferred.
• CPA required with deep US GAAP fluency.
• Hands-on SOX 404(b) experience as a control owner including familiarity with control narratives and deficiency remediation.
• Strong NetSuite experience with querying (saved searches, SuiteQL); FloQast, Expensify, and Workiva a plus.
• Advanced Excel and analytical abilities.
• Excellent communication and interpersonal skills, with ability to collaborate across departments.
• Bachelor’s degree in Accounting, Finance, or related field.

Responsibilities

• Month-End Close: Manage month-end/quarter-end close with tight timelines in FloQast.
• General Ledger Oversight: Own GL integrity in NetSuite and reconciliations across accounts.
• Internal Controls: Serve as owner/reviewer for financial reporting, GL, and close-cycle controls.
• Audit & Compliance: Point of contact for Big 4 auditors and consultants.
• Financial Reporting & Flux Analysis: Deliver monthly management reporting package with COFS, R&D, SG&A analysis.
• Team Leadership: Lead GL, AP, and payroll teams and develop technical depth.
• Technical Accounting: ASC 842 lease accounting, ASC 730 R&D cost treatment, and IBNR reserves.
• Process Improvement: Increase speed, efficiency, and compliance of close processes.
• Procure-to-Pay Controls: Oversee vendor master and disbursement controls with Supply Chain.

Skills

CPA

US GAAP fluency

SOX 404(b) experience

Leadership

Communication skills

Cross-functional collaboration

Education

Bachelor's degree in Accounting/Finance or related field

Tools

NetSuite

FloQast

Expensify

Workiva

Excel

Job description

The Senior Accounting Manager at BillionToOne Inc. in Menlo Park leads the GL and AP teams in a post-IPO environment, ensuring SOX compliance and accurate monthly close.

You will own the general ledger integrity in NetSuite, coordinate with external auditors, drive process improvements, and deliver the monthly management reporting package including flux analyses and cost-per-test economics. Includes strong growth potential.