Oracle ECE Architect - Lisbon

Overview

1

GLOBAL is a technology-driven global mobile communications provider dedicated to empowering enterprises worldwide to unlock the full growth potential of mobile connectivity. With a best-in-class telecom technology platform, a comprehensive suite of globally viable regulatory licenses, and privileged access to the telecom wholesale market, 1

GLOBAL is uniquely positioned to deliver seamless compliance and connectivity solutions. Serving the world’s leading banks, corporations, and digital-first businesses—including neo-banks, travel companies, and payment service providers—1

GLOBAL connects over 43 million devices globally.

With 2024 full-year revenue exceeding US $100 million and in line to exceed US $200 million in FY25, 1

GLOBAL is a profitable business generating significant cash flows to fund its ongoing investments in infrastructure, transformation, and growth. 2024 saw major client wins and marked 1

GLOBAL’s evolution from a multi-market telecommunication provider to a global technology-driven mobile connectivity powerhouse.

Established in 2022 by experienced tech founders and entrepreneurs Hakan Koç and Pyrros Koussios, 1

GLOBAL is a European technology leader driving digital transformation in the global telecommunications market. It operates as a fully regulated Mobile Virtual Network Operator ("MVNO") in ten countries and as a regulated telecommunications operator in an additional 31 countries. Headquartered in the Netherlands, with world-class R&D hubs in Lisbon, Berlin, and São Paulo, 1

GLOBAL employs over 450 experts across 15 countries.

We are seeking a highly skilled Oracle ECE and OCOMC Expert to strengthen our charging and billing operations and empower our charging & billing team. The ideal candidate will possess deep expertise in Oracle’s charging and mediation platforms, with the ability to translate complex technical concepts into practical training for non-technical billing staff. This role bridges IT and business operations, ensuring accurate, scalable, and efficient handling of large volumes of usage events and billing data, in real time, providing team the technical knowledge and skills to manage and monitoring OCS in a way that delivers high levels of service availability to our customers with high level of accuracy in usage events rating, earning from our customers their trust and confidence in the service 1

GLOBAL provide them.

This role positions the expert as both a technical authority in Oracle ECE/OCOMC and a trainer who empowers the billing team to handle large volumes of usage events effectively and securely.

• System Expertise
• Act as the subject matter expert on Oracle ECE (real-time rating and charging) and OCOMC (offline charging mediation), with special focus on the following areas:
• Network integration (Diameter protocol)
• ECE customization
• Monitoring
• Configure, optimize, and maintain the charging system for high-volume usage events.
• Ensure seamless integration between charging, mediation, and billing systems.
• Participate in the design and implementation of complex business and technical requirements, ensuring robustness, scalability, and alignment with Oracle’s best practices.
• Contribute to capacity planning, performance tuning, and platform evolution to keep the system resilient and cost-efficient as the business scales.

• Develop and deliver structured training programs for the billing team, focusing on maintenance, operation, and monitoring of ECE and OCOMC.
• Create clear documentation, guides, and best practices tailored to billing operations.
• Conduct workshops and hands-on sessions to build confidence in analyzing event-level data.

• Collaborate with IT, Finance, and Operations to…