About this role
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.
Requirements
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• Deep understanding of MNO/MVNO architecture and end-to-end GTP flow design
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Complete familiarity with 3GPP standards across 2G/3G/4G and 5G, including:
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GTP-C / GTP-U, CUPS — bearer lifecycle, session management, data plane flows
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Diameter & Radius - routing, realms, application IDs (Gx, Gy, S6a), AAA flows
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5G-SA architecture - AMF, SMF, UPF, NRF, PCF - hands-on or advanced lab experience
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• Strong understanding of GRX routing and IPX interconnect operations
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• Understanding of roaming processes and procedures: IR.21,IPX, and GRX operations
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Hands-on experience
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◦ PGW - configuration, troubleshooting, session management
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◦ PCRF- Gx interface, policy management
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◦ GTP Proxy - GTP-C interception, roaming traffic steering
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Diameter - routing configuration, signaling troubleshooting, experience analyzing Diameter flows.
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Radius - AAA flows, authentication, and accounting troubleshooting, experience analyzing Radius.
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Understanding of roaming processes and procedures (IR.21, familiarity with IPX and GRX operations).
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Working with monitoring tools
Our engineer should have the following skills:
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Ability to design, scale, and integrate a network element into a live network.
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Hands-on experience in integration between network elements.
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Comfortable working under pressure during live network incidents
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At least 3 years of practical experience as a core engineer.
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Familiar with APIs and basic scripting (Python or similar).
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24x7 On-call duty.
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Team player
What we offer
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An exciting and challenging workplace with great skill and knowledge development opportunities.
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The opportunity to join a team of highly professional specialists in an international environment.
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The opportunity for professional development within a reputable international innovative and growing company.
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Social benefits
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200 EURO monthly Wolt food allowance
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Medical insurance
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Free mobile services with Tele2
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Car parking spot
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Team events