Sr Strategy & Planning Manager

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 This position must be located in Bellevue, WA. This is not a remote role, this is a hybrid schedule requiring 3 days a week in office.The Sr Strategy & Planning Manager is a senior, cross-functional leader within the Enterprise Program Office (EPO) who connects enterprise strategy to execution through disciplined planning, decision-ready governance, and consistent delivery practices. This role partners across business, technology, finance, and operational teams to improve how the organization identifies, prioritizes, governs, and delivers the highest-impact enterprise initiatives while driving clarity, reducing friction and rework, and improving measurable outcomes.Depending on business need and candidate strengths, this role may be aligned to one of the EPO pillars (Intake & Investment Planning, Portfolio Governance, Program Management, Enterprise Delivery) and/or to an enterprise domain (Customers, Employees, Platforms, Compliance).Success is measured by improved decision readiness, stronger governance outcomes (clear decisions, tradeoffs, sequencing), improved execution predictability, and sustained value realization through KPI/benefit tracking and continuous improvement loops.Job Responsibilities:Translate strategy into execution-ready plans and governance by turning ambiguous inputs into structured workstreams, decision packages, and clear next steps for leaders and delivery teams.Design, operate, and continuously improve operating rhythms (cadences, forums, stage gates, templates,