Job Description

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! Ready for the next chapter in your Un-carrier journey?The Principal Systems Architect is responsible for designing creative and scalable systems and software solutions that address business and technical needs on the web and across enterprise systems. This role helps define and maintain architecture and technology standards for applications, middleware, databases, and distributed systems—including both in-house and third-party solutions. As part of our continued digital evolution, this architect will also play a key role in modernizing supply chain architecture, integrating on-prem SAP with cloud-native microservices and API-driven ecosystems.We pride ourselves on encouraging a culture of innovation, advocating for agile methodologies, and promoting transparency in all that we do. Join us in embodying the spirit of the 'Un-carrier' and make a tangible impact! Our team is dynamic—no day is the same—and we are diverse and inclusive, passionate about growth and transformation. If you're up to the challenge, apply today! Job Responsibilities:Provide direct technical evaluation of third-party products for inclusion in T-Mobile solutions. Help define software development processes.Lead architecture efforts involving SAP ECC/S4 HANA and cloud-native supply chain integrations (e.g., WMS, TMS, 3PL/4PL) using REST APIs and middleware.Translate business requirements into scalable technical solutions and collaborate with development teams for implementation across e-commerce, inventory, and logistics systems.Lead the implementation of advanced capabilities including BOPIS (Buy Online Pickup In-Store), real-time delivery tracking, and warehouse automation.Define system integration standards and ensure alignment with enterprise architecture principles (e.g., TOGAF).Own hybrid architecture designs that leverage the reliability of on-prem systems with the agility of serverless, container-based cloud services.Participate in solution blueprinting and cloud migration planning for supply chain systems—focusing on scalability, security, and cost-efficiency (e.g., AWS, Azure, OCI).