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.

M&A Integration 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. • Monitor 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 • 3–5 years of payroll, payroll implementation, or payroll operations experience. • 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