Overview

Senior Software Engineer – Oracle ECE and OC Jobs in Doha, Qatar at Novelus

Position: Senior Software Engineer – Oracle ECE and OC3C

We are hiring for one our clients which is a telecom operator in Qatar.

Key Responsibilities

  • Design, develop, and maintain real‑time charging solutions using Oracle ECE for telecom services such as Data and Converged Charging.
  • Implement and customize ECE extensions, including pre‑rating, post‑rating, post‑charging, and post‑update logic.
  • Customize and manage ECE gateways, including Diameter Gateway and HTTP Gateway.
  • Manage charging sessions, credit control, quota allocation, and real‑time balance updates within ECE.
  • Ensure data consistency and synchronization between ECE and BRM systems.
  • Deploy, configure, upgrade, and patch ECE in standalone and Active‑Active (geo‑redundant) environments.
  • Implement ECE in cloud‑native environments using Docker, Kubernetes, or Open Shift.
  • Integrate ECE with BRM, PDC, mediation systems, PCRF/PCF, and 5G CHF.
  • Design and implement event‑driven integrations using Kafka or similar messaging platforms.
  • Monitor ECE systems using Prometheus metrics and Grafana dashboards.
  • Troubleshoot ECE performance issues, optimize JVM, memory, and latency.
  • Design and develop control plans, feature nodes, and real‑time service logic in Oracle OC3C.
  • Develop and maintain SLEE‑based applications and Advanced Control Services (ACS).
  • Implement real‑time charging logic for Voice, SMS, and USSD services within OC3C.
  • Customize MAP adapters, TCAP interfaces, and SIGTRAN stack configurations.
  • Integrate OC3C with network elements such as MSC, HLR, STP, SMSC, and mediation systems.
  • Design and implement IN service flows, including subscriber lifecycle and service activation.
  • Provide L2/L3 production support and troubleshoot real‑time telecom service issues.
  • Perform root cause analysis for SS7 signaling issues and charging failures.
  • Execute system upgrades, patching, and configuration changes in OC3C environments.
  • Design and support telecom signaling flows using Diameter protocols (Gy, Ro, Sy).
  • Design and support telecom signaling flows using SS7 protocols (CAMEL, INAP, MAP).
  • Work with SIGTRAN stack protocols such as M3UA and SCTP for IP‑based signaling.
  • Integrate charging platforms with BRM, provisioning systems, mediation, and external systems.
  • Monitor system performance, logs, KPIs, and signaling traffic.
  • Troubleshoot complex production issues and ensure high availability of charging systems.
  • Perform performance tuning, JVM optimization, and system scalability improvements.
  • Work in high‑availability production environments with real‑time SLAs.
  • Collaborate with cross‑functional teams (network, billing, Dev Ops, operations).
  • Participate in solution design discussions and architecture decisions as SME.
  • Prepare technical documentation, runbooks, and solution design artifacts.
  • Implement CI/CD pipelines for automated build and deployment processes.

Required Technical Skills

  • Strong expertise in Oracle ECE architecture, components, and deployment models.
  • Hands‑on experience with ECE installation, configuration, upgrade, and patching.
  • Experience in ECE customization using Java extensions.
  • Strong understanding of ECE‑BRM data synchronization mechanisms.
  • Experience with Diameter Gateway and HTTP Gateway customization.
  • Knowledge of 5G charging architecture and CHF integration.
  • Experience with Prometheus metrics exposure and Grafana dashboards for ECE.
  • Strong expertise in Oracle OC3C architecture and service control environment.
  • Experience in control plan and feature node development.
  • Hands‑on experience with SLEE‑based application development and ACS.
  • Strong understanding of USSD gateway (ussdgw) and IN service implementation.
  • Experience in MAP adapter, TCAP, and SIGTRAN stack configuration.
  • In‑depth knowledge of Diameter protocols (Gy, Ro, Sy).
  • Strong expertise in SS7 protocols (CAMEL, INAP, MAP).
  • Hands‑on experience with SIGTRAN protocols (M3UA, SCTP).
  • Strong understanding of real‑time charging flows and telecom signaling interactions.
  • Strong proficiency in Core Java.
  • Experience in REST and SOAP web services.
  • Strong expertise in Oracle SQL and PL/SQL.
  • Experience in event streaming platforms such as Kafka.
  • Proficiency in Shell scripting.
  • Experience with Docker and Kubernetes.
  • Experience in CI/CD tools
  • Strong knowledge of monitoring tools such as Prometheus and Grafana.

#J-18808-Ljbffr

Title: Senior Software Engineer – Oracle ECE and OC

Company: Novelus

Location: Doha, Qatar

Category:

Apply

Upload your CV/resume or any other relevant file. Max. file size: 800 MB.