Senior Software Engineer / SME – Oracle ECE and OC3C
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Key skills for this role
About the Role
We are seeking a Senior Software Engineer / Subject Matter Expert with 8-10+ years of experience in Oracle ECE and OC3C for real-time charging solutions in telecom. The role involves design, development, integration, and support of high-availability charging platforms.
Key Skills for This Role
Responsibilities
- Design, develop, and maintain real time charging solutions using Oracle ECE for voice, data, and converged services
- Customize ECE extensions, gateways, charging sessions, credit control, and balance management processes
- Deploy, configure, upgrade, and support ECE environments, including cloud native and geo redundant architectures
- Integrate ECE with BRM, PDC, mediation systems, PCRF/PCF, 5G charging platforms, and external telecom systems
- Design and develop OC3C control plans, feature nodes, and SLEE based applications for real time telecom services
- Implement and support Voice, SMS, USSD, and Intelligent Network (IN) service logic
- Configure and support Diameter, SS7, MAP, TCAP, and SIGTRAN based telecom signaling environments
- Monitor, troubleshoot, and optimise charging platform performance, scalability, and availability
- Provide L2/L3 production support, root cause analysis, and operational improvements
- Implement CI/CD pipelines, automation, monitoring, and deployment best practices
- Collaborate with network, billing, DevOps, and operations teams on solution design and delivery
Requirements
- 8 10+ years of experience in Oracle ECE and OC3C within telecommunications
- Strong expertise in Diameter protocols (Gy, Ro, Sy) and SS7 protocols (CAMEL, INAP, MAP)
- Experience with SIGTRAN technologies including M3UA and SCTP
- Core Java development and ECE extension customization
- Oracle SQL and PL/SQL
- REST and SOAP web services
- Kafka or similar event streaming platforms
- Unix/Linux administration and Shell scripting
- Docker, Kubernetes, and cloud native deployments
- CI/CD tools and deployment automation
- Monitoring and observability using Prometheus and Grafana
- Understanding of 5G charging architecture and CHF integration
Full Job Posting
Role Summary
- We are seeking a Senior Software Engineer / Subject Matter Expert with 8–10+ years of experience in Oracle Elastic Charging Engine (ECE) and Oracle Communications Convergent Charging Controller (OC3C) within the telecommunications sector.
- The role focuses on the design, development, integration, and support of real time charging and intelligent network (IN) solutions in high availability telecom environments.
Key Responsibilities
- Design, develop, and maintain real time charging solutions using Oracle ECE for voice, data, and converged services.
- Customize ECE extensions, gateways, charging sessions, credit control, and balance management processes.
- Deploy, configure, upgrade, and support ECE environments, including cloud native and geo redundant architectures.
- Integrate ECE with BRM, PDC, mediation systems, PCRF/PCF, 5G charging platforms, and external telecom systems.
- Design and develop OC3C control plans, feature nodes, and SLEE based applications for real time telecom services.
- Implement and support Voice, SMS, USSD, and Intelligent Network (IN) service logic.
- Configure and support Diameter, SS7, MAP, TCAP, and SIGTRAN based telecom signaling environments.
- Monitor, troubleshoot, and optimise charging platform performance, scalability, and availability.
- Provide L2/L3 production support, root cause analysis, and operational improvements.
- Implement CI/CD pipelines, automation, monitoring, and deployment best practices.
- Collaborate with network, billing, DevOps, and operations teams on solution design and delivery.
Required Skills
- Oracle Elastic Charging Engine (ECE) architecture, deployment, customization, and administration.
- Oracle OC3C architecture, service control environment, and real time charging implementations.
- Strong expertise in Diameter protocols (Gy, Ro, Sy) and SS7 protocols (CAMEL, INAP, MAP).
- Experience with SIGTRAN technologies including M3UA and SCTP.
- Core Java development and ECE extension customization.
- Oracle SQL and PL/SQL.
- REST and SOAP web services.
- Kafka or similar event streaming platforms.
- Unix/Linux administration and Shell scripting.
- Docker, Kubernetes, and cloud native deployments.
- CI/CD tools and deployment automation.
- Monitoring and observability using Prometheus and Grafana.
Preferred Experience
- Telecom billing, charging, and Intelligent Network (IN) environments.
- Oracle BRM, PDC, mediation, and provisioning platform integrations.
- High availability, geo redundant, and mission critical telecom systems.
- Performance tuning, JVM optimisation, and scalability engineering.
Experience & Domain
- Experience: 8–10+ years
- Domain: Telecommunications – Charging, Billing & Intelligent Networks
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