Payroll Manager

About the role

Rhythm Pharmaceuticals is seeking a hands-on, detail-oriented Payroll Manager to join our Finance team. This role is based in Boston and follows a hybrid work model to promote collaboration and flexibility.

Responsibilities and Duties

• Manage and process U.S. multi-state regular bi-weekly payrolls for 270+ employees, using ADP Workforce Now.
• Manage and process Canada's regular (semi-monthly) payroll.
• Process off-cycle equity payrolls (RSU, NQ), bonuses, and terminations.
• Ensure payroll compliance with federal, state, and local payroll laws and regulations.
• Register payroll tax accounts in new tax jurisdictions and maintain validation tables in ADP.
• Partner with payroll providers to support payroll configuration updates.
• Stay current on ADP payroll system updates and training to maximize the return of investment from the payroll system.
• Manage US quarterly and year-end processes.
• Oversee payroll tax filings, payments, corrections, and resolve tax issues.
• Adhere to established payroll processes, internal controls, and procedures to ensure accuracy and efficiency.
• Collaborate with HR, finance, and other departments to ensure seamless coordination of payroll and benefits processes with other HR and financial activities.
• Aid with 401K and Workers' Compensation Audits.
• Address employee payroll inquiries promptly and professionally, providing clear explanations regarding deductions, adjustments, and general payroll issues.
• Investigate and resolve payroll discrepancies, ensuring any errors are corrected quickly and thoroughly.
• Identify opportunities to streamline and improve payroll processing and overall payroll experience for employees.
• Prepare payroll-related ad-hoc reports.

Qualifications and Skills

• Bachelor’s degree in Business, Accounting, or related discipline, or equivalent professional experience.
• At least 5 years of payroll experience, including exposure to multi-state payroll.
• ADP Workforce Now experience preferred.
• Strong knowledge of U.S. payroll laws and regulations.
• Proficiency in Excel: lookups, conditional formulas (SUMIF), and PivotTables.
• Attention to detail.
• Excellent communication skills with both external service providers and internal stakeholders.
• Adaptable and flexible; capable of working both independently and under supervision on assigned tasks.
• Proficiency in processing and reporting equity in payroll, including RSU, ESPP, ISO, and NQ.
• Knowledge of year-end payroll activities, such as reporting and reconciliations.
• Excellent problem-solving skills and ability to manage competing priorities.
• Ability to discretely handle private and sensitive compensation data.