Lead System Engineering 5G Mobility Core Security NTI

Job Description Summary:

This Lead System Engineer role is a technical lead position for 5G Mobility Core security new technology introduction (NTI). It blends:

Tier-3 outage leadership (real-time restoration directing vendors/Operations resources)

Security validation and audit readiness (controls hardening risk mitigation)

Platform certification / regression testing for major vendors (Ericsson/HPE/Cisco/AMDOCS)

Certify MOPs and operationalization (handoff to implementation/ops teams)

RCA and problem management (trend analysis chronic issue elimination)

On-call expectations (24x7 escalation)

Core competency areas:

1. Mobility Core Architecture Expertise

EPC (MME/SGW/PGW) 5G Core (AMF/SMF/UPF/UDM/AUSF/PCF) and service-based architecture concepts

Call/service flows signaling bearer/session management roaming/interconnect impacts

2. Security Audits & Mitigation in Core Networks

Security control validation: secure configs access controls segmentation key/cert management

3. Policy & Profile / Subscriber Management Services

4. AON / Azure Operator Nexus experience preferred

• 3 years Kubernetes

5. Experience designing implementing and/or troubleshooting Mobility Evolved Packet Core (EPC) and associated service flow

Weekly Hours:

Time Type:

Location:

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 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.