Sr Manager, Commercial Marketing - TFiber

T-Mobile•Bellevue, WA

20h•Hybrid

About The Position

The Sr Manager, Commercial Marketing, T-Fiber is a leadership role responsible for driving new customer acquisition, go-to-market execution, channel strategy, and data-driven performance management for T-Mobile’s fiber broadband business. This role leads a multidisciplinary team spanning commercial marketing and data science. The leader owns the full commercial agenda: pricing and promotional strategy, GTM readiness for new fiber market launches, in-quarter performance management, and long-term subscriber growth. This role serves as the connective tissue between Marketing, GTM, Pricing, Operations, Channels, Analytics, and FP&A. Requires a proven track record in scaling multi-billion-dollar portfolios, comfort translating data science outputs into commercial decisions, and the ability to present confidently to the C-Suite on a regular basis.

Requirements

Bachelor's Degree and 7 years of related work experience, OR a combination of education and experience deemed equivalent
7+ years of marketing experience
5+ years in one or more of the following categories: software/hardware, web, telecommunications, consumer electronics, or consumer packaged goods, with a focus on Marketing, Product development or sales
Strong understanding of fiber, voice and data services and products.
At least 18 years of age
Legally authorized to work in the United States

Responsibilities

Lead and develop a multidisciplinary team of Senior Commercial Marketing Managers (offer planning, quarterly growth steering, and channel performance) and Data Scientists focused on fiber penetration modeling and ML-driven optimization.
Foster a high-accountability, growth-oriented team culture with emphasis on career development, cross-functional collaboration, and data-informed decision-making.
Coach team members on GTM execution, commercial strategy, stakeholder management, and translating analytical outputs into actionable business recommendations.
Set clear priorities, milestones, and performance expectations aligned to quarterly and annual business targets.
Lead the commercial marketing function for T-Fiber with ownership of pricing and promotional decisions, segment identification and selection, value proposition definition, and acquisition performance management across consumer segments.
Oversee offer planning and strategy for the fiber portfolio — guiding the team in developing pricing, promotions, and product positioning (including MRC, CLV, CapEx, and tenure modeling) that align with growth objectives.
Drive full P&L management across the fiber broadband portfolio, with weekly, quarterly, annual, and 5-year targets and horizon planning.
Lead quarterly and annual planning against customer targets, load mix, and activating MRC; develop contingencies to ensure delivery of customer targets and consistent share of gross adds.
Seek and capture opportunities based on competitive landscape, business performance, and customer insights; provide strategic recommendations on offers and acquisition programs.
Manage offer portfolio performance including tracking of results, market investment budget, competitive wargaming, and developing multiple plan iterations to respond to changes in the competitive environment.
Own the end-to-end GTM strategy for new and emerging fiber markets, from market acceptance through initial penetration targets — developing and continuously refining GTM playbooks that translate corporate strategy into market-specific launch plans.
Lead the GTM Readiness process — a structured, cross-functional launch gate ensuring readiness across Operations, Channels, Marketing, and Reporting before each market goes live.
Partner with Channel teams to develop and deploy sales enablement programs, training curricula, and incentive structures tailored to fiber market conditions.
Monitor channel performance in new markets, identifying conversion gaps and deploying targeted interventions to accelerate sales velocity.
Build and maintain scalable launch infrastructure — templates, checklists, scorecards, and governance rhythms — that support a high-velocity launch cadence without sacrificing quality.
Oversee the Fiber Data Science team, guiding prioritization of ML and statistical modeling initiatives — including penetration permutation models, cohort-level scorecards, and regional cost optimization — ensuring outputs are actionable and tied to commercial outcomes.
Champion a data-driven culture across the commercial team, ensuring offer strategy, GTM decisions, and channel investments are consistently grounded in rigorous analysis.
Translate complex ML outputs and data insights into clear, executive-ready narratives that inform commercial strategy and leadership decision-making.