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! * This position will be located in Bellevue, WA. This is not a remote role, we are a hybrid environment requiring at least 3 days a week in office.* The Network as a Service (NaaS) team at T-Mobile is focused on delivering innovative network service products that empower customers and partners. Our mission is to solve enterprise challenges in connectivity and beyond by providing scalable, developer-friendly, and partner-ready solutions leveraging T-Mobile's differentiated network capabilities. As a Principal Product Manager, you will lead developer and partner enablement strategies, ensuring that NaaS platforms, APIs, and tools are accessible, scalable, and easy to integrate. You will work closely with customers and partners throughout pre-sales and post-sales phases to ensure seamless onboarding, technical support, and successful integration of NaaS solutions. In addition to technical enablement, this role will oversee project management for customer implementations, ensuring that customers receive clear guidance, structured onboarding, and ongoing technical support. You will collaborate cross-functionally with engineering, sales engineering, technical support, product, and business teams to drive customer success and adoption. This role requires: Deep expertise in developer platforms, API product management, SDKs, and technical onboarding Strong system thinking, ensuring seamless partner integrations and developer-friendly solutions Experience managing pre-sales and post-sales technical support, working directly with customers and partners Strong project management skills, ensuring structured customer onboarding and successful deployment Proven leadership, coaching, and mentoring skills, fostering a growth mindset across teams Exceptional communication and influence, engaging senior executives, partners, and technical teams Key Responsibilities Developer & Partner Enablement Strategy Define and own the developer and partner support vision, strategy, and roadmap, ensuring alignment with business, technical, and customer needs. Develop best-in-class developer experiences, including self-service APIs, SDKs, CLI tools, and technical documentation. Partner with product managers, engineering, and sales engineering teams to design scalable partner onboarding experiences. Advocate for developer-friendly API design and ensure ease of integration for partners and customers. Lead efforts to build and maintain developer sandboxes, partner portals, API documentation, and troubleshooting guides. Pre-Sales & Post-Sales Customer Support Serve as a technical liaison for partners and customers, guiding them through technical evaluations, API integrations, and deployment. Support the pre-sales process by assisting customers with technical assessments, proof-of-concepts (POCs), and demos. Lead post-sales customer onboarding, ensuring smooth implementation, API adoption, and integration success. Troubleshoot customer issues during and after integration, working with engineering and technical support to resolve blockers. Establish and manage a technical support escalation process, ensuring fast issue resolution and strong customer satisfaction. Project Management for Customer Implementations Define and maintain structured onboarding processes, ensuring customers receive clear guidance on integration timelines and milestones. Develop