Senior Stock Plan & Payroll Specialist

Responsibilities

Payroll Administration (60%)

• Process accurate, timely bi-weekly/semi-monthly payrolls for 185+ employees using payroll systems and HRIS platforms.
• Review, validate, and approve timecards, bonuses, commissions, and deductions.
• Manage employee onboarding, offboarding, and status changes in the payroll system.
• Reconcile payroll sub-ledgers to the general ledger and prepare monthly, quarterly, and year-end payroll statements.
• Ensure compliance with federal, New York state, and local tax withholding laws and labor regulations.
• Administer wage garnishments and tax levies.
• Support annual financial and internal audits.

Stock Plan Administration (40%)

• Administer private-company equity compensation plans, including stock options and RSUs, using equity management software.
• Process option exercises, cancellations, and restricted stock vesting.
• Track vesting schedules and grant criteria while maintaining data integrity.
• Partner with Legal, Finance, and HR to support regulatory compliance and financial audit reporting.
• Serve as the internal subject matter expert for employee stock plan questions, account navigation, and exercise processes.

Requirements

• Bachelor's degree in Business, Accounting, Finance, or a related field.
• 3+ years of progressive, hands-on experience handling payroll processing and equity administration.
• Private-company equity experience strongly preferred.
• Advanced proficiency in Microsoft Excel.
• Strong working knowledge of modern HRIS, payroll, and equity management platforms.
• Familiarity with equity compensation taxation, global mobility where applicable, and multi-state payroll regulations.
• Exceptional organizational skills, attention to detail, and ability to maintain confidentiality with sensitive financial and HR data.

Preferred Qualifications

• Experience with Justworks and Carta.

Compensation and Benefits

• Base salary range: $125,000–$150,000.
• Equity in the form of stock options.
• 401(k) plan.
• Discretionary performance bonus program.
• Biannual performance reviews.
• Medical, dental, and vision premiums covered at 100% for employees and dependents.
• Flexible time off and paid holidays.
• Generous parental leave policy.
• Commuter benefits.
• Fitness benefits.
• Healthcare and dependent care FSA benefits.
• Employee assistance programs focused on mental health.
• Healthcare advocacy program.
• Access to mental health apps.
• Team-building activities.
• Modern NYC office with stocked kitchen and catered lunches.