Payroll & AP Specialist for Scale-Up FinOps

Antithesis; Vienna (VA); On-site; USD 65,000 - 85,000; Full time

Job summary

Antithesis, headquartered in Northern Virginia with satellite offices in London and San Francisco, seeks a Payroll & Accounts Payable professional to own payroll for a multi-state workforce and manage end-to-end AP processes from Vienna, VA.

You will ensure accurate, on-time payroll, handle confidential data with discretion, and drive improvements to payroll and AP systems while collaborating with HR and finance in a lean, hands-on environment.

Qualifications

• 3+ years of payroll and accounts payable experience.
• Experience with payroll platforms (Rippling, Gusto, ADP, or similar) and accounting systems (NetSuite preferred).
• Working knowledge of multi-state payroll tax requirements.
• High bar for accuracy and ability to handle confidential information with discretion.
• Organized and deadline-driven.
• Process-oriented: you look for ways to make things better, not just keep them running.

Responsibilities

• Process payroll for a multi-state workforce, accurately and on time.
• Manage accounts payable end-to-end: invoice intake, approval routing, payment execution, and reconciliation.
• Administer the employee expense reimbursement process and corporate card program.
• Support benefits administration in coordination with HR.
• Maintain payroll records and prepare reports for audit, tax, and internal purposes.
• Stay current on state and local payroll tax compliance as we add employees in new jurisdictions.
• Identify and drive improvements to payroll and AP systems and workflows.

Skills

Payroll processing

Accounts payable

Tax compliance

Data confidentiality

Tools

Rippling

Gusto

ADP

NetSuite

Job description

Antithesis, headquartered in Northern Virginia with satellite offices in London and San Francisco, seeks a Payroll & Accounts Payable professional to own payroll for a multi-state workforce and manage end-to-end AP processes from Vienna, VA.

You will ensure accurate, on-time payroll, handle confidential data with discretion, and drive improvements to payroll and AP systems while collaborating with HR and finance in a lean, hands-on environment.