Growth-Stage Payroll & AP Manager

Antithesis; Town of Vienna (WI); On-site; USD 65,000 - 90,000; Full time

Job summary

Antithesis is expanding its finance team to own payroll and accounts payable as we scale. You will ensure accurate payroll across multiple states, pay vendors on time, and keep expense processes clean while building scalable financial infrastructure.

The role is hands-on and requires discretion handling sensitive data. You’ll work in Vienna, VA, collaborating daily with HR and operations to support rapid company growth.

Qualifications

• 3+ years of payroll and accounts payable experience at a tech or growth-stage company.
• 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.

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

Multi-state payroll

Confidential data handling

Attention to detail

Tools

Rippling

Gusto

ADP

NetSuite

Job description

Antithesis is expanding its finance team to own payroll and accounts payable as we scale. You will ensure accurate payroll across multiple states, pay vendors on time, and keep expense processes clean while building scalable financial infrastructure.

The role is hands-on and requires discretion handling sensitive data. You’ll work in Vienna, VA, collaborating daily with HR and operations to support rapid company growth.