The Principal Tax Manager provides strategic leadership, mentorship, and technical expertise to one or more of T-Mobile's corporate tax teams. This individual is recognized as a senior subject matter expert across either indirect tax functions or income tax, including complex research and planning for issues such as taxability of new products and services, federal/state/local audits, acquisitions, international tax, and dispositions. With a deep understanding of the telecommunications landscape and regulatory environment, this individual proactively identifies risk and opportunity to drive tax value. The Principal Tax Manager collaborates across teams, mentors professionals, and contributes to driving enterprise value through tax operations excellence. Job Responsibilities: - Provides strategic guidance and direction to executive leadership and business units regarding complex tax issues, including product/service taxability, audit exposure, legislative change management, and operational integration. Leads readouts to executives and cross-functional partners. Serves as a senior voice in matters of risk management, strategy, and operational improvement related to tax issues. - Conducts and leads research, planning, and interpretation of complex business transactions such as M&A, intercompany transactions, restructures and/or indirect tax regulations and transactions. Prepares and presents executive-ready summaries and documentation to internal and external stakeholders. - Collaborates with teams across legal, accounting, IT, and operations to implement and communicate tax policy, ensuring compliant execution of business objectives. Supports tax technology integration and data-driven decision making. - Provides coaching and mentorship to tax professionals and cross-functional team members. Encourages technical growth, promotes audit readiness, and ensures consistency across documentation and reporting. Education and Work Experience: - Bachelor's Degree and 7 years of related work experience OR a combination of education and experience deemed equivalent (Required) - Acceptable areas of study include Accounting or related field Master's/Advanced Degree Accounting or related field (Preferred) - 7-10 years Progressively responsible income tax experience with emphasis on research, tax planning, technology solutions and/or audits (Preferred) - 4-7 years Mentoring others and consulting as subject matter expert in one or more tax specialties (indirect or direct) (Preferred) - 4-7 years Experience with tax compliance software, emerging tax technology, applications and data management tools. (Preferred) Knowledge, Skills and Abilities: - Critical Thinking (Required) - Mergers and Acquisitions (M&A) (Required) - Peer Mentoring (Required) - People Management (Required) - Strategic Planning (Required) - Tax Accounting (Required) - Tax Compliance (Required) - Tax Law (Required) - Tax Planning (Required) - Tax Research (Required) Licenses and Certifications: - Certified Public Accountant (CPA) (Preferred) - At least 18 years of age - Legally authorized to work in the United States Travel: Travel Required (Yes/No): No DOT Regulated: DOT Regulated Position (Yes/No): No Safety Sensitive Position (Yes/No): No Total Target Cash Earnings Opportunity: $138,240 - $249,360 National Base Pay Range: $115,200 - $207,800 The Total Target Cash Earnings Opportunity represents the expected total cash compensation for this role at target performance, combining base salary and annual incentive opportunity. Actual earnings may be higher or lower depending on individual performance and overall company results. The base pay range reflects the compensation component of this opportunity. The candidate’s actual pay will be based on various factors, such as work location, qualifications, and experience, so the actual starting pay will vary within this range. To find the pay range for this role based on hiring location, https://paylookup.t-mobile.com/paylookup?reqID=REQ371773¶dox=1 At T-Mobile, employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Corporate employees are eligible for a year-end bonus based on individual and/or company performance and which is set at a percentage of the employee’s eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance. The incentive component included in the Total Target Cash Earnings Opportunity reflects target performance. Actual earnings included in the Total Target Cash Earnings Opportunity reflect target performance; actual payouts may vary. At T-Mobile, our benefits exemplify the spirit of One Team, Together! A big part of how we care for one another is working to ensure our benefits evolve to meet the needs of our team members. Full and part-time employees have access to the same benefits when eligible. We cover all of the bases, offering 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. We don't stop there - eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs! To learn about T-Mobile’s amazing benefits, check out. Never stop growing! As part of the T-Mobile team, you know the Un-carrier doesn’t have a corporate ladder–it’s more like a jungle gym of possibilities! We love helping our employees grow in their careers, because it’s that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity, you’re living our values while investing in your career growth–and we applaud it. You’re unstoppable!