Manager, HR Operations - Lifecycle Services

At T-Mobile, we invest in you! Our Total Rewards Package ensures that employees receive competitive compensation and wealth‑building opportunities through annual stock grants, an employee stock purchase plan, 401(k), and free year‑round money coaches.

This role leads a strategic HR Operations Support function focused on enterprise HR data management, workforce compliance, and operational excellence. The position oversees HR data governance across Workday HCM, Workday ATS, and Payroll systems while supporting enterprise‑wide reorganizations, M&A integrations, unemployment compliance, employee records management, and case management operations within Service Now. The leader strengthens enterprise workforce operations by aligning systems, processes, and people to enable scalable growth, organizational change, and an exceptional employee experience.

Hybrid role: 3 days/week in the office – based in Overland Park, KS

• Lead, coach, and develop a high‑performing HR Operations Support team, fostering strong people leadership, accountability, and continuous capability development.
• Serve as enterprise data steward for Workday HCM and Workday ATS, ensuring data governance, integrity, compliance, and reporting accuracy.
• Oversee employee data lifecycle management including hires, job changes, reorganizations, payroll updates, and terminations.
• Ensure accurate data configuration and maintenance during enterprise‑wide reorganizations, organizational structure changes, and workforce planning initiatives.
• Provide operational support for enterprise reorganizations, ensuring timely system updates, position management accuracy, data validation, and stakeholder communication.
• Support M&A integration activities including data mapping, system alignment, employee data migration, compliance validation, and operational risk mitigation.
• Oversee unemployment claims management and compliance processes, ensuring regulatory adherence, documentation accuracy, vendor coordination, and audit readiness.
• Manage employee records maintenance in accordance with federal, state, and internal compliance requirements, ensuring proper documentation, retention, and data privacy standards.
• Oversee ticket and case management within Service Now, ensuring accurate case documentation, SLA adherence, timely resolution, and trend analysis.
• Monitor and analyze case data to identify systemic issues, recommend improvements, and enhance service delivery.
• Drive cross‑functional collaboration with HR Centers of Excellence, Payroll, Talent Acquisition, Legal, Finance, and enterprise stakeholders to ensure alignment across workforce operations.
• Lead vendor governance and performance management related to unemployment administration, records management, and HR operational services.
• Manage contracts, service‑level agreements, compliance oversight, and continuous improvement initiatives with external partners.
• Drive continuous improvement initiatives across HR data management and operational processes using structured project and process management methodologies.
• Identify opportunities for automation, system optimization, and AI‑enabled capabilities to improve accuracy, efficiency, and scalability.
• Partner with HR Technology teams to implement workflow enhancements, integrations, and reporting solutions.
• Implement and monitor operational metrics, dashboards, and performance indicators to measure data quality, compliance effectiveness, service delivery, and process efficiency.
• Standardize documentation, training materials, and change adoption plans to ensure sustainable process execution.

• Bachelor’s Degree plus 3 years of related experience.
• OR Advanced degree with 1 year of related experience.
• OR equivalent combination of education and experience.

• 4‑7 years in HR Operations, HRIS, Payroll Operations, or shared services environment.
• 4‑7 years of people leadership experience with direct reports.
• Experience supporting large, complex organizations (20,000+ employees preferred).
• Demonstrated experience with Workday HCM, Workday ATS, and Payroll systems.
• Experience supporting enterprise reorganizations…