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 
• Collaborate across engineering, operations, and vendor teams to ensure reliable and scalable 5G Core deployments 

You will play a key role in accelerating certification cycles, enhancing observability, and enabling modern service exposure capabilities across the Mobility Core. 

• Own engineering delivery for NEF, vAC, and cross-platform support (PCF, BSF, PCRF, PAS) 
• Understand design and troubleshoot HTTP/REST and Diameter signaling flows, including end-to-end call flows and policy interactions 
• Build and operate Azure Operator Nexus (AON) lab environments for validation and issue reproduction 
• Develop CI/CD pipelines using Azure DevOps (ADO) and GitHub for provisioning, upgrades, testing, and rollback 
• Drive AI-assisted test automation frameworks to accelerate certification and improve issue detection 
• Perform root cause analysis using logs, KPIs, and packet-level diagnostics across network functions and infrastructure 
• Create and maintain runbooks, lab guides, test plans, and release documentation 

 What You’ll Need

• Strong experience in 5G Core / Mobility Core network functions 
• Expertise in CNF/Kubernetes-based deployments and cloud-native platforms 
• Solid knowledge of Linux, including system operations, troubleshooting, and performance analysis 
• Hands-on experience with:  
• Azure Operator Nexus (or equivalent cloud platforms) 
• CI/CD pipelines (Azure DevOps, GitHub) 
• Monitoring & observability tools 
• Proficiency in VS Code and modern development workflows, including debugging, extensions, and Git integration 
• Experience with GitHub, including source control, branching, pull requests, and pipeline integration 
• Familiarity with agentic AI models and frameworks to enable AI-driven coding, automation, testing, and intelligent troubleshooting 
• Proficiency in network protocols (HTTP/REST, Diameter) 
• Strong collaboration skills across cross-functional teams (engineering, operations, vendors) 
• Analytical mindset with strong problem-solving ability and bias toward execution 

What You’ll Bring

• Proven experience driving end-to-end engineering delivery for telecom or cloud-native platforms 
• Strong expertise in automation frameworks and AI-enabled solutions 
• Ability to lead complex troubleshooting across distributed systems 
• Experience improving system reliability, performance, and operational efficiency 
• Strong communication and collaboration skills across global and cross-functional teams 

Our Sr Specialist Member of Technical Staff, earns between $128,100-$192,100 USD Annual, Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography, experience, expertise, and education/training.  

Joining our team comes with amazing perks and benefits:

• Medical/Dental/Vision coverage  
• 401(k) plan  
• Tuition reimbursement program  
• Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)  
• Paid Parental Leave  
• Paid Caregiver Leave  
• Additional sick leave beyond what state and local law require may be available but is unprotected  
• Adoption Reimbursement  
• Disability Benefits (short term and long term)  
• Life and Accidental Death Insurance  
• Supplemental benefit programs: critical illness/accident hospital indemnity/group legal  
• Employee Assistance Programs (EAP)  
• Extensive employee wellness programs  
• Employee discounts up to 50% off on eligible AT&T mobility plans and accessories,
• AT&T internet (and fiber where available) and AT&T phone.

#LI-Onsite – Full-time office role-

Our Sr Specialist Member of Technical Staff jobs earn between $128,100.00 - $192,100.00 USD Annual. Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography, experience, expertise, and education/training.

Joining our team comes with amazing perks and benefits:

• Medical/Dental/Vision coverage
• 401(k) plan
• Tuition reimbursement program
• Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)
• Paid Parental Leave
• Paid Caregiver Leave
• Additional sick leave beyond what state and local law require may be available but is unprotected
• Adoption Reimbursement
• Disability Benefits (short term and long term)
• Life and Accidental Death Insurance
• Supplemental benefit programs: critical illness/accident hospital indemnity/group legal
• Employee Assistance Programs (EAP)
• Extensive employee wellness programs
• Employee discounts up to 50% off on eligible AT&T mobility plans and accessories, AT&T internet (and fiber where available) and AT&T phone

Weekly Hours:

40

Time Type:

Regular

Location:

USA:WA:Bothell / 20309 North Creek Pkwy - Adm (bothell 7):20309 N Creek Pkwy @ Bldg L

Salary Range:

$128,100.00 - $192,100.00

It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.

Job ID R-113893 Date posted 06/30/2026