Manager, HR Operations - Employee Lifecycle Services

T-Mobile•Overland Park, KS

1d•Hybrid

About The Position

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That’s how we’re UNSTOPPABLE for our employees! Job Overview 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 ServiceNow. The role ensures the accuracy, integrity, and security of HR data while driving process optimization, automation, and AI-enabled efficiencies. Success is measured by data quality, audit readiness, operational effectiveness, system optimization, regulatory compliance, and team performance. This leader strengthens enterprise workforce operations by aligning systems, processes, and people to enable scalable growth, organizational change, and an exceptional employee experience. This is a hybrid role (3 days/week in the office) and will be based in Overland Park, KS.

Requirements

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
Project Management (Required)
People Management (Required)
Coaching (Required)
Human Resources Information Systems (HRIS) (Required)

Nice To Haves

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 and workforce structural changes
Experience with M&A HR integration efforts
Unemployment claims management and regulatory compliance experience
Experience with ServiceNow case management
Vendor and contract management experience
Project Management Professional (PMP)
Professional in Human Resources (PHR)
Certified Payroll Professional (CPP)
Six Sigma Certification (Black Belt or Master Black Belt)

Responsibilities

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, 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 ServiceNow, 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 (SLAs), 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