9 months ago
São Paulo, Brazil +5 moreMid Level
Responsibilities
- Act as the subject matter expert for Oracle ECE real-time rating and charging and OCOMC offline charging mediation.
- Configure, optimize, monitor, and maintain charging systems processing high-volume usage events.
- Support Diameter network integration, ECE customization, charging and billing integration, capacity planning, performance tuning, and platform evolution.
- Develop and deliver training, documentation, workshops, and hands-on sessions for billing staff.
- Collaborate with IT, Finance, and Operations to improve billing workflows and troubleshoot rated events, mediation records, and invoices.
- Improve monitoring tools and methodology and recommend reporting and secure read-only data access improvements.
Requirements
- At least 3 years of proven expertise with Oracle ECE and OCOMC.
- Strong knowledge of real-time rating, charging, mediation flows, and the Diameter protocol.
- Experience with SQL and database query optimization for large datasets.
- Excellent communication and presentation skills, including the ability to train and mentor non-technical staff.
- Understanding of telecom and subscription-based billing models.
- Prior experience leading billing teams or training programs is preferred.
- Experience with high-volume event processing in telecom or digital services is preferred.
- Knowledge of integrating and developing monitoring tools using Grafana, Prometheus, and Loki is required.
Benefits
- Hybrid workplace in Lisbon, Portugal.
- Growth and professional development opportunities in a fast-growing telecommunications company.
- Exposure to major transactions and collaboration with senior leaders, founders, advisors, and international teams.
- Opportunities to work in different 1GLOBAL offices worldwide.
- Collaborative, international, and open-communication work environment.
About 1GLOBAL
1GLOBAL provides eSIM-based mobile connectivity and an owned global core network for enterprises, consumers, and IoT device makers, sold via subscriptions and wholesale/MVNO services. The privately held company operates as a regulated telecom provider across 40 countries, including MVNO operations in 12 markets, and offers APIs to embed mobile service into brands and apps. Founded in 2022 by Hakan Koç and Pyrros Koussios, it is headquartered in Amsterdam.