Senior Transformation Manager

T-Mobile • Overland Park, WA

2d

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! The Senior Transformation Manager – Oracle Planning Data & Architecture is accountable for defining, structuring, and validating the financial and operational data that feeds Oracle EPBCS for planning, forecasting, and reporting. This role operates within FP&A / Finance Transformation and serves as the technical and structural authority for how planning data is sourced, transformed, and delivered into Oracle. This individual will work backwards from FP&A planner requirements, trace data to its originating systems, define clear transformation logic, and partner with IT to ensure high-performance, scalable delivery into Oracle EPBCS. This candidate will put structure to a fragmented and inconsistently documented data landscape. They will ensure that data solutions are aligned to BPM strategy and are effectively implemented, delivered, and sustained The Senior Transformation Manager holds delegated authority to provide formal sign-off on finance data requirements prior to IT build, challenge unclear business requirements, and push back on architectural decisions that compromise performance, scalability, or planning usability. While the Senior Director retains final accountability for transformation outcomes, this role serves as a trusted technical advisor and primary liaison between Finance and IT.

Requirements

• Bachelor’s Degree in Business, Finance, Computer Science, Information Systems, or related field (Required)
• 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.
• Data Lineage & Structured Data Expertise – Ability to trace data from source through transformation to Oracle and ensure structural integrity.
• Oracle Cube & Dimensional Modeling Acumen – Deep understanding of how dimensional design impacts performance and usability.
• Business & Technical Translation – Ability to convert ambiguous finance requirements into precise technical specifications.
• Architectural Judgment – Capability to assess trade-offs and anticipate downstream system impacts.
• Constructive Influence – Confidence to challenge both business stakeholders and IT architects when clarity or value is lacking.
• Systems Thinking – Ability to identify upstream dependencies and long-term scalability risks.
• Curiosity & Continuous Improvement – Persistent drive to simplify, modernize, and improve planning data structures.
• At least 18 years of age
• Legally authorized to work in the United States

Nice To Haves

• Master’s/Advanced Degree (Preferred)

Responsibilities

• 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. This role will be responsible for ensuring our 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

Benefits

• 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.
• Employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role.
• Most Corporate employees are eligible for a year-end bonus based on company and/or individual performance and which is set at a percentage of the employee’s eligible earnings in the prior year.
• medical, dental and vision insurance, a flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off and up to 12 paid holidays - which total about 4 weeks for new full-time employees and about 2.5 weeks for new part-time employees annually - 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, and voluntary long-term care insurance.
• eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs!

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level