Sr Specialist Member of Technical Staff

**This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.**

**Introduction**

At AT&T, we empower technology leaders to drive innovation in a fast-evolving, connected world. Your expertise will help design and deliver next-generation Mobility Core solutions that enable scalable, secure, and high-performance network services supporting millions of customers.

**Job Overview**

AT&T is seeking a Sr. Specialist Member of Technical Staff to lead engineering delivery across critical Mobility Core network functions, with a strong focus on NEF (Network Exposure Function) and virtual Active Charge (vAC - purpose specific Diameter Routing Agent) platform.

**What you'll do:**

+ Drive design, implementation, and validation of cloud-native network solutions
+ Leverage AI and automation to improve testing, troubleshooting, and system performance
+ Collabor...