Payroll Operations Manager Jobs in O Fallon, MO (NOW HIRING)

Our Purpose
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.
Title and Summary
Manager, Payroll M&A Integration
Position Overview
The Manager, Payroll Mergers & Acquisitions (M&A) Integration is responsible for leading all payroll-related activities associated with acquisitions, divestitures, joint ventures, and strategic business integrations. This role serves as the Payroll Integration Lead, partnering closely with the M&A COE, regional Payroll Operations teams, P&C, Finance, Tax, Workday Technology, and external vendors to ensure seamless employee transitions and payroll continuity throughout the M&A lifecycle.
Key Responsibilities
Lead Payroll Integration Strategy & Execution
• Serve as the primary payroll lead for all acquisition, divestiture, and integration activities.
• Partner with regional Payroll Operations teams to define payroll operating model requirements, dependencies, and success criteria.
• Coordinate payroll activities from due diligence through stabilization and operational handoff.
• Ensure business continuity and uninterrupted payroll delivery during integration periods.
Payroll Operations & Systems Integration
• Lead payroll workstream activities
• Partner with Workday Product & Engineering team, Payroll Operations, M&A COE and external providers to ensure successful technical implementation.
Compliance & Controls
• Ensure payroll integrations comply with local, state, federal, and international regulatory requirements.
• Maintain strong internal controls and audit readiness throughout integration activities.
• Identify and mitigate payroll compliance risks associated with acquisitions and divestitures.
Continuous Improvement
• Partner with M&A COE to maintain payroll integration playbooks, templates, and best practices.
• Incorporate lessons learned into future integrations.
• Identify opportunities to streamline integration activities and improve scalability.
Qualifications
• 7+ years of payroll experience with increasing responsibility.
• 3+ years of project, program, or M&A integration management experience.
• Deep knowledge of multi-country payroll operations, compliance, and controls.
• Experience working with HRIS and payroll platforms (Workday, ADP, Oracle, or similar).
• Strong stakeholder management and executive communication skills.
• Proven ability to manage multiple complex initiatives simultaneously.
• Experience leading payroll integrations during acquisitions or divestitures.
• Experience working in a shared services or global business services organization.
• Knowledge of payroll tax, mobility, equity, and international payroll practices.
Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.
Corporate Security Responsibility
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

• Abide by Mastercard's security policies and practices;
• Ensure the confidentiality and integrity of the information being accessed;
• Report any suspected information security violation or breach, and
• Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.

In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.
Pay Ranges
O'Fallon, Missouri: $112,000 - $179,000 USD