Sr Systems Architect- Billing Platform

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! Are you ready to join the Un-carrier movement? T-Mobile is bringing ownership of its legacy Postpaid Billing platform in-house. This platform is a mission-critical, revenue-generating system supporting millions of postpaid customers and complex telecom billing scenarios. As a Sr Systems Architect – Post Paid Billing you will assist with transition from vendor dependency to internal ownership, and establish a sustainable architectural foundation that ensures accuracy, scalability, stability, and future modernization. This is a hands-on architectural role requiring deep legacy systems expertise, strong billing domain knowledge, and the ability to guide large, cross-functional engineering teams through high-risk transformation. This role is critica...