Core C&M Ncc Engineer (Hybrid)

CORE C&M NCC ENGINEER (HYBRID LISBON)

Portuguese company hires for hybrid position

Location:Lisbon Portugal

Only candidates already based in Portugal will be considered

Work Model: Hybrid

Language Requirements: English (B2) Native Portuguese

Seniority: Senior (510 years)

Sector: Banking

Instructions: Please send your CV in English and make sure to include all skills and experience that match the requirements of the opportunity. This will significantly increase your chances of success

Role Overview

As a Charging & Mediation Engineer you will design configure validate and support advanced telecom charging and mediation solutions with a strong focus on Nokia NCC.

You will ensure seamless integration across Charging Mediation BSS/OSS systems and support end-to-end charging workflows across both legacy and next-generation 5G environments.

Key Responsibilities

Charging (Nokia NCC)

• Configure and validate tariffs offers bundles (Voice/SMS/Data)
• Design and implement charging logic rating models business rules balance management flows
• Manage subscriber lifecycle & provisioning flows
• Perform SIT/UAT and integration testing
• Troubleshoot issues using logs traces Diameter (Gy/Gx/Sy)
• Support migration from legacy OCS/CS platforms to Nokia NCC
• Ensure NCC deployment & scalability in Kubernetes/containerized environments

Mediation

• Design and maintain mediation workflows: decoding validation enrichment aggregation routing
• Handle high-volume CDR delivery to Billing Charging RA Interconnect & Analytics systems
• Support real-time processing for modern Autonomous Networks
• Produce HLD/LLD technical documentation
• Collaborate with BSS Core PCRF & Operations teams

Mandatory Skills

Core Charging Expertise

• Advanced knowledge of Nokia Converged Charging (NCC)
• Strong understanding of Diameter interfaces (Gy Gx Sy)
• Experience with real-time / online charging systems
• Hands-on with Nokia Charging Configurator & microservices architecture

Mediation Expertise

• Strong telecom mediation background (CDR processing correlation normalization)
• Experience delivering data to Billing & Charging systems
• Exposure to 3GPP 4G/5G Core IMS environments

Cloud & Architecture

• Kubernetes Docker Microservices Cloud-Native architectures
• OSS/BSS architecture knowledge
• Familiarity with Kafka CI/CD Ansible Terraform

Technical Skills

• Linux/Unix
• Shell / Python scripting
• Database knowledge: Oracle PostgreSQL Cassandra (preferred)

Qualifications

• Bachelors or Masters degree in Telecommunications Computer Science Engineering or related field
• 510 years of telecom charging & mediation experience
• Strong communication and stakeholder management skills

Nice to Have

• Automation tools (Robot Framework Jenkins CI/CD)
• Knowledge of 5G network slicing API-based charging models next-gen monetization

Why Apply

• Work on 5G-ready charging platforms
• Be part of cloud-native telecom transformations
• Exposure to modern monetization ecosystems
• Hybrid and flexible working model
• High-impact technical role in a growing telecom environment

Keywords

Nokia NCC Converged Charging Telecom Charging Mediation CDR Processing Diameter Gy Gx Sy Real-Time Charging 5G Core Kubernetes Docker Microservices OSS/BSS Kafka Linux Python Shell Scripting Billing Integration Cloud-Native Charging Configurator Telecom Engineer

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