Lead System Engineering - 5G Mobility Core - Security - NTI
Bengaluru, India
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:
40Time Type:
RegularLocation:
Bangalore, IndiaIt 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-103498 Date posted 04/07/2026
Benefits
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- Paid Time Off
- Tuition Assistance
- Medical and dental plans
- Discounts
- Training & Development
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