Payroll Specialist

Mallinckrodt Pharmaceuticals - Hazelwood, MO

Full-time

Hybrid - Hazelwood, MO

Chemical Manufacturing

About the position

The Payroll Specialist is responsible for the accurate preparation and processing of company payrolls, ensuring compliance with payroll laws and regulations. This role involves tracking key performance indicators, generating audit reports, conducting system testing, and identifying opportunities for process improvements. The Payroll Specialist will work closely with HR and Finance to support payroll activities for various employee classifications and ensure adherence to key controls.

Responsibilities

• Execute payroll activities for salaried exempt, non-exempt, and hourly employees on bi-weekly and weekly schedules.
• Audit HR payroll data from Workday and external sources, ensuring accuracy.
• Prepare and audit payroll batches in ADP, making corrections as needed.
• Calculate pro-rated salaries for mid-period hires and terminations.
• Prepare documentation to support payroll processing and ensure tax compliance.
• Process payroll adjustments, special calculations (e.g., retro payments, off-cycle loads), and support Workday configuration/testing.
• Provide payroll reports to internal and external stakeholders, including tax authorities.
• Assist with payroll for mergers, acquisitions, and system updates.
• Handle wage garnishments, employee inquiries, and support the annual compensation cycle.
• Cover other payroll roles and participate in department meetings for process improvement.

Requirements

• Previous experience processing multi-state payroll using ADP and other payroll software.
• Strong knowledge of payroll laws, regulations, and best practices.
• Excellent organizational skills, attention to detail, and ability to work independently as a self-starter.

Nice-to-haves

• Experience with local tax withholding requirements
• Experience with Workday payroll and time tracking
• Fundamental Payroll Certification (FPC) or Certified Payroll Professional (CPP) designation.