Payroll Specialist

Factory•San Francisco, CA

5d•Onsite

About The Position

Factory is seeking a Payroll Specialist to own payroll operations end to end as a member of its finance and accounting team. The role is responsible for ensuring employees and contractors are paid accurately, compliantly, and on time across the locations where Factory operates. The specialist will build the systems, controls, processes, and documentation needed to support payroll as the company grows, and will work closely with Finance, People, leadership, Tax, and Legal. The position is onsite five days a week in San Francisco.

Requirements

At least 5 years of payroll experience, including running multi-state US payroll at a fast-growing company.
Hands-on experience with payroll platforms such as Rippling, Workday, or ADP.
Strong knowledge of US payroll tax, including federal, state, and local withholding, filings, and year-end reporting.
Experience processing commissions, bonuses, and equity compensation, including RSUs, ISOs, and NSOs.
Experience with international payroll and EOR providers.
Strong attention to detail and good judgment with confidential information.
Comfort working at a fast-moving startup and building processes as work progresses.
Clear communication skills and ability to work well with Finance, People, Tax, and Legal.
Bachelor's degree in Finance, Accounting, HR, or a related field, or equivalent practical experience.

Nice To Haves

CPP (Certified Payroll Professional) certification.
Experience with Rippling payroll.
Experience building out payroll at a company that grew quickly.
Experience using AI tools to automate payroll or finance workflows.
Experience with SOX, IPO readiness, or establishing financial controls.

Responsibilities

Run full-cycle payroll for US and international employees, including multi-state payroll.
Process commissions, draws, bonuses, equity vesting, severance, and other variable pay with appropriate tax withholding.
Handle compensation changes, new hires, terminations, and off-cycle payments.
Manage federal, state, and local payroll tax registrations, deposits, filings, and notices, and coordinate with providers on international payroll tax.
Manage international payroll and EOR providers, and establish payroll when the company begins hiring in a new country.
Administer 401(k) contributions, benefits deductions, garnishments, and contractor payments.
Work with Accounting on payroll journal entries, accruals, and month-end close, and handle quarter-end and year-end work, including W-2s.
Build processes, controls, and documentation to help payroll scale as the company grows.
Work with People, Finance, Tax, and Legal to maintain accurate employee data and answer payroll questions.
Use AI and automation to reduce manual work in reconciliations and reporting.