Service Improvement Manager — Lean Six Sigma & AI

T-Mobile US Inc.; Kansas; Hybrid; USD 97,000 - 175,000; Full time

Benefits offered by this job

Annual stock grant

Employee stock purchase plan

401(k)

Paid time off & holidays

Health & wellness programs

Job summary

T-Mobile USA, Inc. is seeking a Manager for the Magenta Services Center in Overland Park, KS. This hybrid role leads CI programs, service catalog governance, and knowledge management across HR, Finance, and Accounting operations.

You will drive end-to-end process improvements, leverage AI tools to accelerate analysis, and partner with senior stakeholders to deliver measurable outcomes while maintaining service excellence.

Qualifications

• Bachelor’s degree required with 3+ years in a related field or a higher degree with 1 year experience.
• Experience with shared services, governance, and service catalogs is essential.
• Solid knowledge of Lean Six Sigma and ITIL in an operational SSO/GBS environment.

Responsibilities

• Lead CI initiatives using Lean Six Sigma and DMAIC; manage end-to-end improvement cycles.
• Map current-state processes, identify waste, and design practical roadmaps with measurable outcomes.
• Own Service Catalog lifecycle, SLA definitions, and KPI governance across value streams.

Skills

Shared Services Fluency

Service Catalog Design

Service Level Management

Knowledge Management

Lean Six Sigma

AI & Emerging Tool Fluency

ITIL / Service Management

Process Analysis

Independent Execution

Executive Communication

Change Management

Agile for Operations

Education

Bachelor’s Degree in Business Administration/Finance/Accounting

Advanced degree (optional)

Equivalent education/experience

Tools

Claude

ChatGPT

Job description

T-Mobile USA, Inc. is seeking a Manager for the Magenta Services Center in Overland Park, KS. This hybrid role leads CI programs, service catalog governance, and knowledge management across HR, Finance, and Accounting operations.

You will drive end-to-end process improvements, leverage AI tools to accelerate analysis, and partner with senior stakeholders to deliver measurable outcomes while maintaining service excellence.