T-Mobile

Senior Transformation Manager

T-Mobile

full-time

Posted on:

Location Type: Hybrid

Location: BellevueKansasWashingtonUnited States

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Salary

💰 $108,900 - $196,500 per year

Job Level

Tech Stack

About the role

  • Define and document detailed financial and operational data requirements for all data entering and exiting Oracle EPBCS including requirements for ongoing process/product enhancements
  • Establish clear source-to-target mappings, transformation logic, aggregation rules, and dimensional structures required for planning.
  • Trace planner-facing data back to originating source systems and validate lineage, ownership, and calculation logic.
  • Identify undocumented transformations, inconsistencies, reconciliation risks, and structural inefficiencies.
  • Partner with IT architecture and data engineering teams to translate finance requirements into build-ready technical specifications.
  • Provide formal sign-off on finance data requirements prior to development.
  • Evaluate Oracle EPBCS cube dimensionality, hierarchies, metadata structures, and aggregation design to ensure performance and scalability.
  • Ensure that master data structures are properly maintained (e.g. in EDM or similar tools)
  • Challenge ambiguous business requirements and drive clarity before build initiation.
  • Push back on architectural decisions that introduce unnecessary complexity or degrade planning performance.
  • Support rationalization of fragmented data feeds and reduce manual adjustments within planning cycles.
  • Align finance data requirements with emerging Data COE governance standards.
  • Responsible for BPM Dimensions Library, EDM Config Workbook, Data Conversions inventory (RICEF).
  • Lead Data Validation efforts in Oracle during testing.
  • Support adoption and literacy of data tools such as EDM with the broader FP&A teams.

Requirements

  • Bachelor’s Degree in Business, Finance, Computer Science, Information Systems, or related field (Required)
  • Master’s/Advanced Degree (Preferred)
  • 7–10+ years of experience in finance systems transformation, enterprise data architecture, or EPM system design.
  • Strong experience with structured data design, dimensional modeling, and aggregation logic.
  • Hands-on experience with Oracle EPM / EPBCS (or similar OLAP planning platforms).
  • Demonstrated experience defining detailed data requirements and partnering with IT through SDLC delivery.
  • Strong understanding of FP&A planning, forecasting, reporting, and driver-based modeling processes.
  • Experience operating in fragmented or greenfield data environments with limited documentation.
  • At least 18 years of age
  • Legally authorized to work in the United States
Benefits
  • Medical, dental, and vision insurance
  • Flexible spending account
  • 401(k)
  • Employee stock grants
  • Employee stock purchase plan
  • Paid time off and up to 12 paid holidays
  • Paid parental and family leave
  • Family building benefits
  • Back-up care
  • Enhanced family support
  • Childcare subsidy
  • Tuition assistance
  • College coaching
  • Short- and long-term disability
  • Voluntary AD&D coverage
  • Voluntary accident coverage
  • Voluntary life insurance
  • Voluntary disability insurance
  • Voluntary long-term care insurance
  • Mobile service & home internet discounts
  • Pet insurance
  • Commuter and transit programs
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
financial data requirementsoperational data requirementssource-to-target mappingstransformation logicaggregation rulesdimensional modelingdata validationstructured data designOracle EPMEPBCS
Soft Skills
communicationcollaborationproblem-solvingcritical thinkingattention to detailleadershipclarity in requirementsnegotiationadaptabilitystakeholder management