Telecom Core Security Engineer
Core
Provide technical expertise and security assessments for mobile core network architectures, securing modern telecommunications infrastructures from legacy networks through 5G Standalone deployments.
Role type
Telecom Core Security Engineer
Builds
Secure mobile network architectures and services for mobile operators
Domain
Telecommunications (4G/5G Core Networks)
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure
Required skills
Mobile core network architecture (2G/3G/4G/5G), Telecom signaling protocols (SS7, Diameter, GTP, SIP/IMS, 5G SBI), Telecom security principles, Roaming and interconnect concepts, Fraud management, Signalling firewalls, SEPP, Lawful interception, GSMA security standards (NIS2, TSA), Security audit support
Preferred skills
Experience with mobile operators or telecom vendors, Exposure to telecom security technologies
Technologies
SS7, Diameter, GTP, SIP/IMS, 5G SBI, Signalling Firewalls, SEPP, Fraud Management systems
Responsibilities
Provide technical expertise on mobile core network architectures, Support security assessments of telecom networks and services, Analyze network designs and identify security risks, Support troubleshooting and technical investigations involving mobile network protocols, Participate in transformation and modernization initiatives involving 4G and 5G networks, Contribute to telecom security architecture reviews and recommendations
Seniority
Mid-level (3+ years experience)