Be unstoppable with us!T-Mobile is synonymous with innovation-and you could be part of the team that disrupted an entire industry! We reinvented customer service, brought real 5G to the nation, and now we're shaping the future of technology in wireless and beyond. Our work is as exciting as it is rewarding, so consider the career opportunity below as your invitation to grow with us, make big things happen with us, above all, #BEYOU with us. Together, we won't stop!The Customer Care Demand Planning Team within the Consumer Group organization is looking for an energetic, self-directed, and detail oriented candidate for the position of Sr. Business Analysis Manager, Demand Planning. This individual contributor provides key insights to leaders on underlying drivers of forecast variance, supports post-mortem analysis, and evaluates impacts to the Customer Care organization from T-Mobile Projects & Initiatives to ensure appropriate staffing globally, optimize customer experience, and deliver on strategic planning and performance goals.This role is highly visible and requires robust partnership and collaboration with partners across multiple departments in the organization. The ideal candidate should possess a strong analytical background, apply data to derive conclusions and clear recommendations, and thrive in a fast-paced environment. Communication of complex issues in simple terms, comfort with ambiguity, and the ability to work under pressure/tight timelines are essential to success in this position.Job Responsibilities:Construct complex models to drive long range forecasts, staffing recommendations, and strategic decisions. Perform post-mortem analyses to determine effect of key business decisions.Extract the big picture from detailed analysis, formulate robust conclusions, and prepare presentations and models to support conclusions of key drivers of performance (e.g. sales volume, gross margin, churn, value creation, etc.)Act as a leader within project teams to identify risks and opportunities and align to organizational goalsDevelop Executive Level presentations and influence leadership through fact-based analysisBuild strong cross-functional relationships and partner with Customer Experience, Marketing, and other support teamsCollaborate with Insights & Analytics and Forecasting teams to drive continuous process improvement andCoach, mentor, and develop members of the Resource Planning teamSkillsData Analysis Exceptional at using wide ranging datasets to deliver broad analysis and insights to maximize value creation and return on investment.Track record of presenting complex findings in a concise, informative mannerStrong problem solver and intellectually curious (analytical/logical thinking, creative)Demonstrates ability to manage multiple priorities simultaneously and meet tight deadlinesDemonstrates comfort with ambiguity and thinks outside-of-the boxCommunication Ability to manage relationships, influence and communicate complicated analysis, logic, and solutions in a clear and concise manner at the executive level and provide decision support, analysis and recommendations that help to drive effective execution of initiativesAbility to partner with and influence others with excellent networking skillsAbility to learn by assimilating and applying new job-related information that may vary in complexityTelecommunication experience preferredEducation:Bachelor's Degree Data analysis, data science, decision science, similar quantitative fields or equivalent practical experience (Required)Work Experience:Strong Financial Modeling skillsProven experience with Business Case developmentBachelor's Degree or equivalent work experience required in quantitative discipline (Math/Statistics/Finance/Econom