Sr Manager, Commercial Marketing - TFiber

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About the Role

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 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. The position serves as the connective tissue between Marketing, GTM, Pricing, Operations, Channels, Analytics, and FP&A.

This is a hybrid role requiring a minimum of 3 days per week in the office.

Responsibilities

• Lead and develop a multidisciplinary team of Senior Commercial Marketing Managers focused on fiber penetration modeling and ML-driven optimization, fostering a high-accountability, growth-oriented culture with emphasis on career development 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.
• Own the commercial marketing function for T-Fiber, including pricing and promotional decisions, segment identification, 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) aligned 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 results, market investment budget, competitive wargaming, and developing multiple plan iterations to respond to competitive changes.
• Own the end-to-end GTM strategy for new and emerging fiber markets, from market acceptance through initial penetration targets, and develop GTM playbooks that translate corporate strategy into market-specific launch plans.
• Lead the GTM Readiness process, ensuring cross-functional launch gate 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—to support a high-velocity launch cadence without sacrificing quality.
• Champion a data-driven culture, ensuring offer strategy, GTM decisions, and channel investments are grounded in rigorous analysis.
• Translate complex ML outputs and data insights into clear, executive-ready narratives that inform commercial strategy and leadership decision-making.

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.

Pay

Base Pay Range: $121,700 - $219,700

Corporate Bonus Target: 20% of eligible earnings. The successful candidate's actual pay will be based on work location, qualifications, and experience.

Benefits

• Medical, dental, and vision insurance.
• Flexible spending account.
• 401(k) with company match.
• Annual stock grant and employee stock purchase plan.
• Paid time off and up to 12 paid holidays (about 4 weeks for new full-time employees, 2.5 weeks for new part-time employees annually).
• Paid parental and family leave.
• Family building benefits, back-up care, enhanced family support, and childcare subsidy.
• Tuition assistance and college coaching.
• Short- and long-term disability coverage.
• Voluntary AD&D, accident, life, and long-term care insurance.
• Mobile service and home internet discounts.
• Pet insurance.
• Commuter and transit programs.