Sr Engineer, Adv Enterprise Prod Supt Engineering

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! ** Hiring for Multiple Positions ** This dual-function role combines rigorous system validation with hands-on technical product support. You'll own enabler platform testing and diagnosing/resolving complex network, platform, and product issues to enhance customer experience. The role acts as a technical leader by providing guidance and innovative solutions to internal teams and external partners at a senior technical level. Success is measured by completing Business Validation Testing for TFB products and effectiveness of issue resolution, collaboration outcomes, and the operational stability of network products. The work directly impacts organizational performance and customer satisfaction by ensuring robust and reliable wireless communication services. What You'll Do Product Validation & Testing Design and execute Business Value Testing (BVT) frameworks to validate IT enabling platform performance against defined KPIs; analyze results and deliver actionable recommendations Collaborate with Product Managers to define acceptance criteria and success benchmarks of new features and offerings Partner with IT, Vendor, and QA teams to triage issues surfaced during testing cycles and drive timely resolution Ensure enabling platform capabilities such as offers, ordering, billing, fulfillment, UI/UX experience  are delivered with high quality and are compliant with product requirements across all business segments including SMB, Enterprise, FED/SLED Advanced Product Support Provide technical support across TFB business opportunities to ensure successful customer integration and implementation Analyze customer business needs and present tailored technical product proposals for integration with customer systems and equipment Resolve Tier 3 and above customer-impacting issues to maintain service reliability and customer satisfaction Assume the role of a TPM to ensure lifecycle management of issues/defects from identification to technical resolution and implementation in production for the fix Education (Required) Bachelor's Degree plus 3 years of related work experience OR a combination of education and experience deemed equivalent Preferred areas of study: Electrical Engineering, Computer Science, Telecommunications, or related field Experience (Preferred) 2+ years in End to End Business Validation Testing for Wireless Services and/or back end ordering/provisioning/billing systems 3–5 years leading ITIL Incident Management activities in a telecommunications environment 3–5 years managing…