Job Title Payroll Specialist Requisition JR000014536 Payroll Specialist (Open) Location Hazelwood, MO Additional Locations Job Description Summary Job Description The Payroll Specialist is responsible for accurately preparing and processing company payrolls, tracking key performance indicators (KPIs), generating and managing audit reports, conducting system testing, and proactively identifying improvement opportunities. This role also ensures adherence to key controls. Essential Functions + 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. Minimum Requirements Education / Experience / Skills: + 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. Preferences + Experience with local tax withholding requirements + Experience with Workday payroll and time tracking + Fundamental Payroll Certification (FPC) or Certified Payroll Professional (CPP) designation Organizational Relationship/Scope: Individual contributor role that will work cross functionally with HR and Finance functions. Working Conditions: Normal office environment. Currently the Company has a hybrid working model but is subject to change based upon business needs. #LI-KD1 At Mallinckrodt, we know that we contribute to something that matters because we make quality products that impact patient lives. Our dynamic work environment provides unique experiences for employees to grow and develop. Invest in your own career with Mallinckrodt and let’s do something dynamic together. Mallinckrodt provides equal employment opportunities to applicants and employees without regard to race; color; gender; gender identity; sexual orientation; religions practices and observances; national origin; pregnancy, childbirth, or related medical conditions; protected veteran status; disability; or any other category protected by law. Additional information on Mallinckrodt’s hiring practices may be found by clicking (https://secure.compliance360.com/ext/ESLKi3LFkqY=)