Description
You will join the Core Network Engineering team at Webbing, working hands-on with our live mobile core infrastructure spanning global roaming, MVNO operations, and an active 5G-SA roadmap.
The role is technical and operational. You will troubleshoot real network issues across 3G, 4G, and 5G Standalone, own tickets end-to-end, and lead integrations and projects on a live production network.
We are a focused team that moves fast and takes full ownership of activities end to end.
Engineers here are expected to grow quickly into independent contributors
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: IR.21,IPX, and GRX operations
- Hands-on experience
- ◦ PGW - configuration, troubleshooting, session management
- ◦ PCRF- Gx interface, policy management
- ◦ GTP Proxy - GTP-C interception, roaming traffic steering
- Diameter - routing configuration, signaling troubleshooting, experience analyzing Diameter flows.
- Radius - AAA flows, authentication, and accounting troubleshooting, experience analyzing Radius.
- Understanding of roaming processes and procedures (IR.21, familiarity with IPX and GRX operations).
- Working with monitoring tools
Our engineer should have the following skills:
- Ability to design, scale, and integrate a network element into a live network.
- Hands-on experience in integration between network elements.
- Comfortable working under pressure during live network incidents
- At least 3 years of practical experience as a core engineer.
- Familiar with APIs and basic scripting (Python or similar).
- 24x7 On-call duty.
- Team player
About Webbing
Founded in early 2010, Webbing is a global data MVNO that delivers enterprise grade, global connectivity and IoT services across more than 200 countries and 600+ mobile carriers' networks. Webbing's secured network delivers network protection and web content intelligence.
Enterprise customers can manage, monitor, and optimize data usage in real-time with Webbing's powerful software platform. Gain visibility by application type and have the power to white list applications and limit non-business applications with the click of a button, saving money and improving compliance.
What we offer
- An exciting and challenging workplace with great skill and knowledge development opportunities.
- The opportunity to join a team of highly professional specialists in an international environment.
- The opportunity for professional development within a reputable international innovative and growing company.
- Meal Vouchers.
