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 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 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 ( 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- Ready to join our team? Apply today. 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. We are pioneers of making connections and have been ever since Alexander Graham Bell invented the telephone and founded our company. That was nearly 150 years ago, and we haven’t stopped innovating since. At our core, we help bring families, communities, and businesses together with the products and services they need to thrive every day. From the widespread and growing availability of 5G and Fiber to working on things we once only dreamed of—at AT&T, we create connections that change the world.