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Senior Analyst, Finance -- T-Ads Headcount

Job in Bellevue, King County, Washington, 98009, USA
Listing for: T Mobile US
Full Time position
Listed on 2026-08-10
Job specializations:
  • Finance & Banking
    Financial Analyst, Financial Reporting, Corporate Finance
Job Description & How to Apply Below

Senior Analyst, Finance

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!

We're looking for a detail-oriented, analytically strong Senior Analyst, Finance to serve as the central headcount finance resource for T-Ads. This role supports the full T-Ads organization and reports directly to the Senior Director, T-Ads. The primary remit is owning the end-to-end headcount forecast — from bottoms-up model builds and scenario planning through to actuals tracking, variance analysis, and consolidated reporting for senior leadership.

This role will work cross-functionally with Finance Business Partners, HR, and business leaders across all T-Ads business units to ensure headcount data is accurate, complete, and actionable. The ideal candidate is highly organized, comfortable managing large datasets across a complex organization, and able to translate headcount data into clear narratives for executive audiences.

Key Responsibilities
  • Own the end-to-end headcount forecast for T-Ads, including bottoms-up model builds, scenario planning, and ongoing maintenance across all business units and planning cycles (Budget, Forecast, LRP).
  • Load and manage headcount changes in Oracle's Workforce Planning on a monthly basis to ensure T-Ads is compliant with company-wide consolidations and scenario planning for Frontline/Support FTE.
  • Track headcount actuals vs. plan on a monthly basis, producing clear variance analysis and commentary that explains drivers and flags risks to Finance leadership.
  • Own consolidated headcount reporting for T-Ads leadership, producing monthly and quarterly HC packages for the Senior Director and Finance Leadership that are accurate, timely, and executive-ready.
  • Partner with HR and business leaders across T-Ads to manage headcount approvals, open requisition tracking, and position-level data — ensuring alignment between people plans and financial forecasts.
  • Maintain headcount data integrity across planning systems, ensuring consistency between HC actuals, open reqs, forecasts, and financial plans at all times.
  • Serve as the primary point of contact for headcount-related questions across T-Ads Finance, acting as a connective resource between Finance Business Partners, HR, and the Senior Director.
  • Build and maintain HC dashboards and reporting tools that provide real-time visibility into headcount trends, open reqs, and variances for T-Ads Finance and business leadership.
  • Support Risks & Opportunities (R&O) management related to headcount, identifying variances, modeling scenarios, and providing recommendations to Finance leadership.
  • Align with Finance Business Partners across all T-Ads business units to consolidate HC inputs and ensure accuracy of submissions for corporate deliverables including Forecast, Budget, and LRP cycles.
  • Additional analysis and ad hoc support as required for internal FP&A deliverables, including Investor Day preparation and Scenario Planning.
Qualifications
  • Bachelor's degree in Finance, Accounting, Economics, or related field; MBA or CPA a plus.
  • 4+ years of experience in financial planning & analysis (FP&A), with demonstrated experience in headcount forecasting, workforce planning, or people cost analysis.
  • Hands-on experience with Oracle Workforce Planning required; broader familiarity with HR and workforce planning systems (e.g., Workday, Oracle HCM) strongly preferred.
  • Advanced Excel and financial modeling skills; experience with ERP and planning tools (e.g., SAP, Oracle).
  • Proficiency in building executive-ready reporting and dashboards; experience with Power BI, Tableau, or equivalent BI tools a plus.
  • Strong communication skills; able to translate data-heavy insights into executive-ready narratives.
  • Proven cross-functional collaborator in fast-paced, dynamic environments
The Successful Candidate Will…
Position Requirements
10+ Years work experience
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