Senior Telecom Expert

We are seeking a seasoned Telecom Engineer with extensive experience in online charging systems, particularly in Matrixx Digital Commerce Platform (DCP). The ideal candidate will have a deep understanding of online and offline charging principles, as well as hands-on experience designing and implementing solutions using the Matrixx DCP.

• Key Responsibilities:
• Design and implement online charging systems using the Matrixx DCP, ensuring seamless integration with other network components.
• Configure catalog items, product offers, bundles, and notifications for price plans, leveraging strong work experience in Matrixx Product offer configurations.
• Extend Matrixx Data containers and event files as per requirements, utilizing experience with databases such as Oracle, Snowflake, and MongoDB on cloud platforms.
• Validate offers using the Matrixx test framework, and monitor application performance with tools like Datadog and Grafana.
• Implement Online Charging for 5G services, integrating with other network components and configuring AVPs as per requirements.
• Architect the observability stack (monitoring, logging, tracing) using Prometheus, Grafana, to ensure deep visibility into the platform's health and performance.

• 13+ years of experience in online charging systems, with at least 4-5 years in a solution architect role focused on Matrixx online charging system.
• Deep understanding of online and offline charging principles.
• Proven hands-on experience designing and implementing solutions using the Matrixx Digital Commerce Platform (DCP).
• Strong work experience in Matrixx Product offer configurations, including balances, meters, normalizers, filters, price configurations, decision tables, Normalizer Chaining, parameterized price components for dynamic charge configuration requirements, side loader changes, and parameterized offers.
• Strong work experience in configuring catalog items, product offers, bundles, and notifications for price plans.
• Experience in extending Matrixx Data containers and event files as per requirements.
• Experience in using the Matrixx test framework for validation of offers.
• Exposure to Datadog and Grafana for application monitoring.
• Proficiency in Python & Shell scripting.
• Hands-on experience with databases such as Oracle, Snowflake, and MongoDB on cloud platforms.
• Expertise in 3GPP standards for charging, including Diameter interfaces (Gy, Gx, Sy) and 5G Service Based Architecture (SBA) interfaces (Nchf).
• Experience with Policy and Charging Rules Function (PCRF) / Policy Control Function (PCF) integration.
• Experience in implementing Online Charging for 5G services, integrating with other network components, and configuring AVPs as per requirements.
• Experience in architecting the observability stack (monitoring, logging, tracing) using tools like Prometheus, Grafana.
• Technical expertise in Telecom Networking protocols (DIAMETER, SS7, MAP, INAP, CAP, SNMP, etc.).
• Exposure to web service protocols (REST, SOAP, JSON, XML, etc.).
• Strong experience in REST APIs, SOAP, JSON, Kafka, and JMS.
• Hands-on experience with containerization (Docker), orchestration (Kubernetes), and deploying applications on public/private AWS cloud platforms
• Exposure to AWS and CI/CD will be an advantage.
• Strong experience in resolving technical issues reported for the environment.
• Deep knowledge of the end-to-end telecom flow and the ability to think logically towards issue resolution.
• Excellent verbal and written communication skills, with the ability to create high-quality technical documentation and present to leadership teams

Benefits: Competitive salary and benefits package, opportunities for growth and professional development, and a collaborative work environment.

How to Apply: If you are a motivated and experienced Telecom Engineer looking to take your career to the next level, please submit your resume and cover letter for consideration.