Senior Specialist, Payroll Implementation & Integration-2

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
Senior Specialist, Payroll Implementation & Integration-2
Position Summary
The Senior Specialist, Payroll Implementation & Integration supports strategic payroll initiatives, including mergers and acquisitions (M&A), P&C Modernization programs, system implementations, and process improvement efforts. This role serves as a key execution resource responsible for coordinating testing activities, validating payroll and employee data, supporting implementation readiness, and assisting with solution deployments across payroll operations.
Key Responsibilities
M&A Integration Execution Support• Support payroll workstreams during mergers, acquisitions, divestitures, and organizational restructures.• Assist with payroll integration planning and execution activities.• Coordinate employee data collection, validation, and migration activities.• Prepare implementation documentation and integration trackers.• Support payroll readiness assessments and integration milestones.• Execute project tasks, risks, issues, and action items.• Assist in stabilization activities following acquisitions.
P&C Modernization Implementation Support• Participate in payroll-related activities supporting Workday and P&C Modernization initiatives.• Support configuration validation and business process testing.• Work with cross-functional teams to evaluate payroll impacts of system changes.• Coordinate payroll requirements gathering and documentation.• Support process redesign and standardization initiatives.
Testing & Quality Assurance• Execute end-to-end payroll testing activities for system implementations and enhancements.• Develop and assist with unit testing, system integration testing (SIT), user acceptance testing (UAT), parallel payroll testing, regression testing• Validate payroll calculations and outputs.• Reconcile testing results and identify variances.• Document, track, and help resolve defects.• Verify successful implementation of payroll requirements.
Process Improvement & Documentation• Create and maintain standard test scripts, process documentation, standard operating procedures• Identify opportunities to improve payroll processes and implementation methodologies.• Contribute to payroll implementation playbooks and best practices.• Support operational readiness reviews.
Vendor & Stakeholder Coordination• Collaborate with Payroll Operations, P&C teams, Benefits, Technology teams, Third-party payroll providers• Participate in project meetings and provide implementation status updates.• Escalate risks, issues, and testing concerns as necessary.• Support communication and change management activities.
Post-Go-Live Stabilization• Assist with issue resolution following implementations.• Monitor payroll processing and implementation outcomes.• Validate corrective actions and system fixes.• Transition completed solutions to operational payroll teams.
Qualifications• Experience supporting payroll system implementations or upgrades.• Understanding of payroll processes, controls, and compliance requirements.• Experience with testing methodologies and issue management.• Strong analytical and problem-solving skills.• Advanced Excel and data analysis capabilities.• Experience supporting M&A integrations.• Experience with Workday, ADP, or other payroll platforms.• Experience participating in large-scale HR or payroll transformation programs.• Knowledge of payroll compliance, tax, benefits, and time management processes.
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.