Role & responsibilities:

- Develop and configure MATRIXX solutions for real-time charging, rating, and balance management.

- Implement 5G CCS/CHF functions including Nchf and SBA integrations.

- Develop 4G OCS features (Diameter Ro, rating groups, service classes).

- Work with Product Catalog, Pricing Engine, Wallet Models, and JSON rules.

- Build REST API integrations with BSS/OSS, CRM, and orchestration systems.

- Configure subscriber lifecycle flows and entitlement logic.

- Integrate with network elements using Diameter, HTTP/2, and 5G SBA APIs.

- Troubleshoot real-time charging flows and performance issues.

- Support upgrades, cluster scaling, and performance tuning.

Required Skills

- 58 years in MATRIXX CCS/OCS development.

- Strong knowledge of 5G CCS/CHF, 4G OCS, Diameter Ro.





- Expertise in rating logic, wallet models, JSON/JOLT rules.

- Skilled in Java/Python/Shell scripting.

- Strong understanding of REST APIs and microservices.

- Knowledge of Diameter, HTTP/2, Cassandra/PostgreSQL.

Valuable to Have

- Experience with 5G SA/NSA.

- Policy (PCF/PCRF) integrations.

- TM Forum APIs.

- Kubernetes, Docker, CI/CD pipelines.

- Knowledge of CRM, Billing, and BSS systems.

Soft Skills

- Strong analytical and communication skills.

- Ability to work in fast-paced telco environments.

- Ownership mindset.

📌 Matrixx CCS Support Analyst (Bengaluru)
🏢 Tata Consultancy Services
📍 Bengaluru