At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That's how we're UNSTOPPABLE for our employees!Job Overview The Principal Implementation Program Manager directs all aspects of client onboarding from Discovery through transition to Lifecycle Support for large, complex engagements with a focus on emerging technologies and connected car solutions within Enterprise, Strategic, and Public Sector accounts. As a key customer-facing individual contributor and subject matter expert, they ensure 100% customer satisfaction and drive strategic direction and growth projection for these T-Mobile for Business sales segments. They oversee contract implementation in totality, identifying all contract deliverables, process/product owners and partners, creating and delivering factual, timely, and quality tracking processes and program plans resulting in Master Service Agreements implemented within the established timeline and budget.Job Responsibilities: * Participates in the Sales process, actively engaging in discovery and strategy sessions, sourcing, reviewing, and preparing RFP responses (relative to Implementation and Lifecycle Support), tracking cross-functional deliverables through the RFP processes for complex engagements with a focus on emerging technologies and connected car programs managing large technology and connected car product capability tests, presenting to C-level (internal/external) in finalist sales presentations, creating and presenting internal/external stakeholder communications and program executive updates. * Defines Onboarding program scope, develops and manages detailed Onboarding program plans for large, complex engagements with a focus on emerging technologies, connected car solutions, and other strategic programs as the business warrants, while influencing and managing variables that may result in scope creep. * Identifies internal/external stakeholders and project team, ensuring alignment with Onboarding plan, quality control points and success measurements. * Serves as Lead communicator for overall program status from Discovery through transition to Lifecycle Support. Communication deliverables include creating and delivering Project Plans and Executive Briefings, including overall project health, quality control points, risks, mitigation strategies and transitioned line/installation projections and actuals. * Communicates risks in clear business and technical terms, providing messaging and solution options at a Senior Leadership and Executive level in both planned and ad hoc scenarios. * Develops customer specific, customized Implementation and Lifecycle Customer Support models by sourcing, vetting, and gaining agreement on work output from multiple workgroups including Sales, Implementation, Care, Business Operations, Engineering, (including connected car technology teams, OEM/automotive partners, and other vendor partners as applicable) Product, Vendor Management, and other identified resources. * Influences and coordinates teams of Sales, Operations, Care, Product and Technical contributors without direct supervisory authority to ensure the on-time, within budget, successful delivery of properly scoped high-quality project requirements and 100% customer satisfaction relative to Onboarding experience. * Develops detailed work plans, schedule estimates, resource plans, status reports and implementation priorities, establishing the tools and processes to track and report on the project and progress towards program goals.Education: * Bachelor's Degree Additional relevant work experience may be considered in lieu of degree (Required)