Sr Specialist Member of Technical Staff

AT&T • Bothell, WA

6d • Onsite

About The Position

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.

Requirements

• 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)
• Hands-on experience with: CI/CD pipelines (Azure DevOps, GitHub)
• Hands-on experience with: 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

Nice To Haves

• 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

Responsibilities

• 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
• 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

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

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed