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T-Mobile's broadband business is scaling rapidly across both Fixed Wireless Access and Fiber, and the Fiber portfolio is increasingly defined by the quality of the partnerships we form, the markets we choose to enter, and the rigor of the processes we use to evaluate, approve, and operationalize new fiber builds. This role is the functional leader responsible for all three.
As the Sr. Manager, Fiber Market Development & JV Partnerships you will lead a small, high-impact team responsible for the end-to-end lifecycle of T-Mobile's fiber market pipeline - from partner origination and data-driven market evaluation to contract negotiation, operational readiness, and commercial launch. You will be the primary T-Mobile owner for partnered markets, ensuring we expand in the right places, with the right partners, on the right commercial terms.
You will manage a team of analysts, GIS specialists, and operations coordinators, and you will be the primary point of accountability for ensuring that T-Mobile's fiber footprint grows in the right markets, with the right partners, on the right terms. You will be the source of truth across our partner relationships and be directly accountable for the pace and quality of T-Mobile's fiber market expansion.
This is a hybrid role requiring a minimum of 3 days per week in the office.
Key Responsibilities:
Fiber Market Development
Lead the evaluation of prospective fiber builds across T-Mobile's existing and future partner networks, assessing new market opportunities against current partner commitments, contractual obligations, and strategic priorities
Own the market evaluation process end-to-end: coordinate GIS-based overlap analysis, ML-driven penetration propensity modeling, competitive landscape assessment, and demographic scoring to produce defensible market recommendations
Partner with the Broadband Data Science team to operationalize a machine learning model and ensure model outputs are translated into actionable market-level insights
Facilitate markets through internal evaluation processes and external partner review cadences, culminating in market approval by T-Mobile leadership and/or JV Board of Directors
Develop and maintain the market scoring rubric and evaluation criteria, ensuring consistency, repeatability, and continuous improvement as the fiber portfolio scales
Produce market summary packages (penetration curves, demographic overlays, competitive positioning, financial expectations) that serve both internal decision-makers and external partner stakeholders
Business Development
Manage and grow T-Mobile's portfolio of fiber wholesale and JV partner relationships, serving as a primary commercial point of contact for ongoing partner engagement
Lead contract amendment negotiations, term extensions, and commercial modifications with existing wholesale and JV partners as business needs evolve
Build and manage the new partner pipeline: identify prospective wholesale and JV partners, conduct initial qualifications, lead evaluation and business casing, and drive negotiations through to executed agreements
Partner with Corporate Development and Fiber Commercial Team on inorganic growth evaluations, providing market-level intelligence, partner quality assessment
