Hiring: Core C&M NCC Engineer
Lisbon Hybrid (3 days on-site / 2 days remote)
Telecommunications Sector
English B2 required
We are looking for a Core Charging & Mediation Engineer with strong hands-on experience in Nokia Converged Charging (NCC) to support charging, mediation, and end-to-end monetization workflows within modern 4G/5G environments.
Role Overview
You will design, configure, test, and support charging and mediation solutions across BSS/OSS and Core Network systems. This includes tariff configuration, mediation logic, troubleshooting, integrations, and supporting modern cloud-native charging platforms.
Key Responsibilities
Configure tariffs, offers & bundles
Build charging logic, rating rules & balance flows
Manage subscriber lifecycle & thresholds
Perform functional/SIT/UAT testing
Troubleshoot charging issues (logs, Diameter Gy/Gx/Sy)
Support migrations from legacy OCS
Work with NCC microservices in Kubernetes environments
Mediation
Design workflows for decoding, enrichment, correlation & delivery of CDRs
Handle high-volume usage data for Billing, Charging, RA, Analytics
Ensure real-time processing for autonomous network use cases
Produce HLD/LLD documentation
Collaborate with BSS, Core, PCRF & Operations teams
Mandatory Skills
Deep expertise in Nokia NCC (tariffs, bundles, rating)
Strong understanding of Diameter Gy/Gx/Sy
Experience with online/real-time charging & 5G charging
Telecom mediation: decoding, enrichment, routing, aggregation
Kubernetes, Docker, microservices & cloud-native architecture
Linux/Unix, Shell/Python scripting
Databases: Oracle, PostgreSQL (Cassandra a plus)
Nice to Have
CI/CD & automation (Jenkins, Robot Framework)
Knowledge of 5G slicing & API-based charging models
Interested in this opportunity? Let's Connect!
If this role aligns with your experience and aspirations, I'd love to hear from you.
You can connect with me directly on LinkedIn, apply through this job post, or share your CV at: