Core Engineer (PS Domain)
Webbing, Latvia +2
Webbing has this job in 1 other place
What you need
Requirements
- Deep understanding of MNO/MVNO architecture and end-to-end GTP flow design
- Complete familiarity with 3GPP standards across 2G/3G/4G and 5G, including:
- GTP-C / GTP-U, CUPS — bearer lifecycle, session management, data plane flows
- Diameter & Radius – routing, realms, application IDs (Gx, Gy, S6a), AAA flows
- 5G-SA architecture - AMF, SMF, UPF, NRF, PCF - hands-on or advanced lab experience
- Strong understanding of GRX routing and IPX interconnect operations
- Understanding of roaming processes and procedures: