Role: Master Data Management - Sr Associate Location: Chennai Job Summary: The HR Operations & Master Data Administration Specialist is responsible for accurate and timely maintenance of employee master data across HR, payroll, timekeeping, and benefits systems. This role ensures data integrity, compliance with internal policies, labor regulations, and seamless integration between systems such as ADX, WinTeam, and LISA. The position works closely with Payroll, Benefits, IT, and HR Business Partners to support the full employee lifecycle. Key Responsibilities: Employee Master Data Management: Perform employee master data changes including cost center updates, compensation updates, union code changes, office location/supervisor/job title changes, job changes/promotions/demotions/transfers, and primary job number updates. Employee Lifecycle Transactions: Review and process new hire records, promotion validations, LOA/ROE/terminations, reactivations, subcontractor records, and personal action requests. Data Reconciliation & Reporting: Prepare and analyze fallout reports between ADX, WinTeam, and LISA. Perform manual data entry/corrections and ensure reconciliation of payroll, HR, and benefits data. Compliance & Review Activities: Conduct periodic reviews for anniversary bonuses, pay rate/job data audits, and benefits-impacting union code updates. Ensure compliance with labor laws and organizational policies. Employee Information Maintenance: Process and validate personal data changes including address, contact info, direct deposit/banking, and SIN updates. IT & Cross-Functional Coordination: Raise/manage IT service tickets for system access dependencies. Collaborate with Payroll, Benefits, HR BPs, and IT teams for seamless processing. Required Skills & Competencies: Strong understanding of HR operations, payroll inputs, and employee lifecycle management. Experience with HRIS, payroll, and timekeeping systems (ADX, WinTeam, LISA). Strong analytical and reconciliation skills. Preferred Qualifications: 3–5 years of experience in HR Operations, Payroll Operations, or Order management.