AT&T · 1 day ago
Sr Specialist Member of Technical Staff
Warrenville, Illinois
Full-time
Onsite
Senior Level
$122K/yr - $183K/yrAT&T is a leading telecommunications company that shapes the future of communications and technology. They are seeking a Sr Specialist Member of Technical Staff to join the Mobility Core and Network Services team, responsible for the architecture and design of advanced Mobility Core network functions and applications. This role involves collaboration with client project teams and exposure to emerging technologies in cloud computing and data analytics.
CollaborationCommunications InfrastructureMobileService IndustryTelecommunicationsWireless
Responsibilities
Mobility Core and Network Services (MCANS) team is part of the Network CTO organization that oversees the global mobile and fixed network technology direction for AT&T, which includes the design of the company’s 5G and IMS infrastructure
This team is responsible for the architecture, design, certification, testing and delivery of advanced Mobility Core network functions and Network Services applications, including for IP multimedia systems and packet data, which are the future of Mobility services and experiences
The team contributes to the growth and development of end-to-end wireless network services across Consumer, Enterprise, Internet of Things (IOT), FirstNet and public sector products
This position is part of a team that collaborates with client project teams in the development of Mobility Cloud platform delivery, CI/CD workflow automation
This is a very dynamic and exciting role that will allow for exposure to emerging mobility, virtualization, and cloud technologies!
We are seeking candidates who are eager to learn and grow their skills as part of a diverse, talented and energetic group of professionals working in the areas of cloud computing, data analytics, software development and technology delivery
Qualification
Required
Deep understanding of the IP Multimedia Sub-systems(IMS), SIP, Diameter and Ldap flows
Deep understanding of Nokia IMS Home Subscriber Server(HSS), Diameter Routing Agent(Nokia Cloud Signaling Director(CSD)), Call Session Control Function(CSCF) components, database management, data backup & performance optimization
Deep understanding of virtualization and containerization concepts
Deep understanding of Docker, Kubernetes and OpenStack
Skilled in various cloud platforms, e.g., Redhat OpenShift (OCP), Nokia Container Services(NCS)
Skilled in programming skills like Python, ansible, shell scripting
Experienced in data encryption, security audit, Role based access control
Good knowledge of networking concepts
Experience in Test planning and execution
Experience with performance engineering, profiling and tuning to meet High-Availability needs
Understanding of Data Analytics, data visualization
Good experience in Alarm treatment, analysis, and ticket generation
Experience with Continuous Integration/Continuous Deployment (CI/CD), Software Development & Delivery
Administrator level expertise in Linux
Experienced in YAML and JSON file types and their usage
Basic familiarity of GIT
Bachelor's Degree in a STEM discipline e.g. Computer Science, or Engineering
Preferred
Basic understanding of telecommunications, network architecture, and wireless communication protocols
Exposure to network analysis and telecom-specific data sources
Artificial Intelligence/Machine Learning (not mandatory but a plus)
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.
Company
AT&T
AT&T is a telecommunications company that provides wireless communications, internet and digital television services.
Founded in 1983
10001+ employees
H1B Sponsorship
AT&T has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (575)
2024 (586)
2023 (282)
2022 (450)
2021 (271)
2020 (162)
Funding
Current Stage
Public CompanyTotal Funding
$5.04BKey Investors
National Telecommunications and Information Administration
2025-09-19Post Ipo Debt· $5B
2024-02-12Grant· $42.3M
2023-01-19Grant· $2.2M
Leadership Team
Anne Chow
Chief Executive Officer - AT&T Business
Jeremy Legg
CTO
Recent News
2026-01-07
2026-01-07
Company data provided by crunchbase